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author atsuko
date Thu, 25 Aug 2011 22:14:55 -0400
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sparql/sparql/test/dawg/.svn/text-base/r2.html.svn-base	Thu Aug 25 22:14:55 2011 -0400
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>DAWG Testcases</title>
+    <link rel="stylesheet" type="text/css" href="http://www.w3.org/StyleSheets/TR/base.css" />
+    <link rel="stylesheet" type="text/css" href="tests.css" />
+  </head>
+  <body>
+    <h1>DAWG Testcases</h1>
+
+    <dl>
+      <dt>Document Editor</dt>
+      <dd><a href="mailto:lee@thefigtrees.net">Lee Feigenbaum</a> &ndash; invited expert</dd>
+
+      <dt>Version:</dt>
+      <dd><code>$Revision: 1.4 1008/code></dd>
+
+    </dl>
+
+    <p class="copyright"><a href="http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> &copy; 2004 <a href="http://www.w3.org/"><acronym title=" World Wide Web Consortium">W3C</acronym></a><sup>&reg;</sup> (<a href="http://www.csail.mit.edu/"><acronym title="Massachusetts Institute of Technology">MIT</acronym></a>,
+    <a href="http://www.ercim.org/"><acronym title="European Research Consortium for Informatics and Mathematics">ERCIM</acronym></a>,
+    <a href="http://www.keio.ac.jp/">Keio</a>), All Rights Reserved. W3C
+    <a href="http://www.w3.org/Consortium/Legal/ipr-notice#Legal_Disclaimer">liability</a>,
+    <a href="http://www.w3.org/Consortium/Legal/ipr-notice#W3C_Trademarks">
+
+    trademark</a>, and <a
+    href="http://www.w3.org/Consortium/Legal/copyright-documents"> document
+    use</a> rules apply.</p>
+
+    <hr title="Separator for header" />
+
+    <p><strong>Abstract.</strong> This document will list the tests used to clarify the <a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL Query Language for RDF</a>. This document is a product of the <a href="http://www.w3.org/2001/sw/DataAccess/">Data Access Working Group</a>.</p>
+
+    <p>All test materials are licensed under the W3C Software License, <a href="#license">reproduced below</a>.</p>
+
+    <hr />
+    <h2>Status</h2>
+
+    <p><strong>Note:</strong> This document updates the <a href=".">original tests page</a>. Please see the <a
+    href="README.html">README</a> for information on the test reorganization.
+    All new tests are in the <a href="data-r2/">data-r2/ subdirectory</a>,
+    and an overview is available on this page. Tests in the <a href="data/">data/
+    subdirectory</a> should not be considered up-to-date, even if marked as
+    approved.</p>
+
+   <hr />
+    <h2>Source files</h2>
+    <p>This document is automatically built from the manifest files. Relevant files are:</p>
+    <dl>
+      <dt>Schema and documentation</dt>
+      <dd>
+        <ul>
+          <li><a href="README">README</a></li>
+
+          <li><a href="result-set.n3">result-set.n3</a></li>
+          <li><a href="test-dawg.n3">test-dawg.n3</a></li>
+          <li><a href="test-manifest.n3">test-manifest.n3</a></li>
+          <li><a href="test-query.n3">test-query.n3</a></li>
+        </ul>
+      </dd>
+      <dt>Archive of all test materials</dt>
+      <dd>
+        <ul>
+          <li><a href="data-r2.tar.gz">data-r2.tar.gz</a></li>
+          <li><a href="data-r2.zip">data-r2.zip</a></li>
+        </ul>
+      </dd>
+      <dt>Syntax-test Manifests</dt>
+
+      <dd>
+        <ul>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/manifest.ttl">data-r2/syntax-sparql1/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/manifest.ttl">data-r2/syntax-sparql2/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/manifest.ttl">data-r2/syntax-sparql3/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/manifest.ttl">data-r2/syntax-sparql4/manifest.ttl</a></li>
+        </ul>
+      </dd>
+      <dt>Evaluation-test Manifests</dt>
+      <dd>
+        <ul>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/manifest.ttl">data-r2/algebra/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/manifest.ttl">data-r2/ask/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/manifest.ttl">data-r2/basic/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bnode-coreference/manifest.ttl">data-r2/bnode-coreference/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/manifest.ttl">data-r2/boolean-effective-value/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bound/manifest.ttl">data-r2/bound/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/manifest.ttl">data-r2/cast/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/manifest.ttl">data-r2/construct/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/manifest.ttl">data-r2/dataset/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/manifest.ttl">data-r2/distinct/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/manifest.ttl">data-r2/expr-builtin/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/manifest.ttl">data-r2/expr-equals/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/manifest.ttl">data-r2/expr-ops/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/manifest.ttl">data-r2/graph/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/manifest.ttl">data-r2/i18n/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/manifest.ttl">data-r2/open-world/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest.ttl">data-r2/optional-filter/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/manifest.ttl">data-r2/optional/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/manifest.ttl">data-r2/regex/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/manifest.ttl">data-r2/solution-seq/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/manifest.ttl">data-r2/sort/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/manifest.ttl">data-r2/triple-match/manifest.ttl</a></li>
+<li><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/manifest.ttl">data-r2/type-promotion/manifest.ttl</a></li>
+        </ul>
+      </dd>
+      <dt>Source Archives</dt>
+      <dd><i>Not yet available</i></dd>
+    </dl>
+    <hr/>
+    <h2>Contents</h2>
+    <h3>Syntax Tests</h3>
+    <dl>
+<dt><a href="#syntax-basic-01">syntax-basic-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-basic-02">syntax-basic-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-basic-03">syntax-basic-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-basic-04">syntax-basic-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-basic-05">syntax-basic-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-basic-06">syntax-basic-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnodes-01">syntax-bnodes-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnodes-02">syntax-bnodes-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnodes-03">syntax-bnodes-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnodes-04">syntax-bnodes-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnodes-05">syntax-bnodes-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-expr-01">syntax-expr-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-expr-02">syntax-expr-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-expr-03">syntax-expr-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-expr-04">syntax-expr-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-expr-05">syntax-expr-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-forms-01">syntax-forms-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-forms-02">syntax-forms-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-limit-offset-01">syntax-limit-offset-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-limit-offset-02">syntax-limit-offset-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-limit-offset-03">syntax-limit-offset-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-limit-offset-04">syntax-limit-offset-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-01">syntax-lists-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-02">syntax-lists-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-03">syntax-lists-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-04">syntax-lists-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-05">syntax-lists-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-01">syntax-lit-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-02">syntax-lit-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-03">syntax-lit-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-04">syntax-lit-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-05">syntax-lit-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-06">syntax-lit-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-07">syntax-lit-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-08">syntax-lit-08.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-09">syntax-lit-09.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-10">syntax-lit-10.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-11">syntax-lit-11.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-12">syntax-lit-12.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-13">syntax-lit-13.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-14">syntax-lit-14.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-15">syntax-lit-15.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-16">syntax-lit-16.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-17">syntax-lit-17.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-18">syntax-lit-18.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-19">syntax-lit-19.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lit-20">syntax-lit-20.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-01">syntax-order-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-02">syntax-order-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-03">syntax-order-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-04">syntax-order-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-05">syntax-order-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-06">syntax-order-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-order-07">syntax-order-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-pat-01">syntax-pat-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syntax-pat-02">syntax-pat-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syntax-pat-03">syntax-pat-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syntax-pat-04">syntax-pat-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syntax-qname-01">syntax-qname-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-02">syntax-qname-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-03">syntax-qname-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-04">syntax-qname-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-05">syntax-qname-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-06">syntax-qname-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-07">syntax-qname-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-qname-08">syntax-qname-08.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-01">syntax-struct-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-02">syntax-struct-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-03">syntax-struct-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-05">syntax-struct-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-06">syntax-struct-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-07">syntax-struct-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-08">syntax-struct-08.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-09">syntax-struct-09.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-10">syntax-struct-10.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-11">syntax-struct-11.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-12">syntax-struct-12.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-13">syntax-struct-13.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-struct-14">syntax-struct-14.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-union-01">syntax-union-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-union-02">syntax-union-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnode-01">syntax-bnode-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnode-02">syntax-bnode-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-bnode-03">syntax-bnode-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-dataset-01">syntax-dataset-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-dataset-02">syntax-dataset-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-dataset-03">syntax-dataset-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-dataset-04">syntax-dataset-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-esc-01">syntax-esc-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-esc-02">syntax-esc-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-esc-03">syntax-esc-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-esc-04">syntax-esc-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-esc-05">syntax-esc-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-ask-02">syntax-form-ask-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-construct01">syntax-form-construct01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-construct02">syntax-form-construct02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-construct03">syntax-form-construct03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-construct04">syntax-form-construct04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-construct06">syntax-form-construct06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-describe01">syntax-form-describe01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-describe02">syntax-form-describe02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-select-01">syntax-form-select-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-form-select-02">syntax-form-select-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-function-01">syntax-function-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-function-02">syntax-function-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-function-03">syntax-function-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-function-04">syntax-function-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-01">syntax-general-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-02">syntax-general-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-03">syntax-general-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-04">syntax-general-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-05">syntax-general-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-06">syntax-general-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-07">syntax-general-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-08">syntax-general-08.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-09">syntax-general-09.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-10">syntax-general-10.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-11">syntax-general-11.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-12">syntax-general-12.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-13">syntax-general-13.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-general-14">syntax-general-14.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-graph-01">syntax-graph-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-graph-02">syntax-graph-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-graph-03">syntax-graph-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-graph-04">syntax-graph-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-graph-05">syntax-graph-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-keywords-01">syntax-keywords-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-keywords-02">syntax-keywords-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-keywords-03">syntax-keywords-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-01">syntax-lists-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-02">syntax-lists-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-03">syntax-lists-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-04">syntax-lists-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syntax-lists-05">syntax-lists-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#blabel-cross-filter">syn-blabel-cross-filter</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06">Approved</a></dd>
+<dt><a href="#blabel-cross-graph-bad">syn-blabel-cross-graph-bad</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06">Approved</a></dd>
+<dt><a href="#blabel-cross-optional-bad">syn-blabel-cross-optional-bad</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#blabel-cross-union-bad">syn-blabel-cross-union-bad</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#bnode-dot">syn-bad-bnode-dot.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#bnodes-missing-pvalues-01">syn-bad-bnodes-missing-pvalues-01.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#bnodes-missing-pvalues-02">syn-bad-bnodes-missing-pvalues-02.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#empty-optional-01">syn-bad-empty-optional-01.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#empty-optional-02">syn-bad-empty-optional-02.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#filter-missing-parens">syn-bad-filter-missing-parens.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#lone-list">syn-bad-lone-list.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#lone-node">syn-bad-lone-node.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-01">syn-01.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-02">syn-02.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-03">syn-03.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-04">syn-04.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-05">syn-05.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-06">syn-06.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-07">syn-07.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-08">syn-08.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-01">syn-bad-01.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-02">syn-bad-02.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-03">syn-bad-03.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-04">syn-bad-04.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-05">syn-bad-05.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-06">syn-bad-06.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-07">syn-bad-07.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-08">syn-bad-08.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-09">syn-bad-09.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-10">syn-bad-10.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-11">syn-bad-11.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-12">syn-bad-12.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-13">syn-bad-13.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-14">syn-bad-14.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-15">syn-bad-15.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-16">syn-bad-16.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-17">syn-bad-17.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-18">syn-bad-18.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-19">syn-bad-19.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-20">syn-bad-20.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-21">syn-bad-21.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-22">syn-bad-22.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-23">syn-bad-23.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-24">syn-bad-24.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-25">syn-bad-25.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-26">syn-bad-26.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-27">syn-bad-27.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-28">syn-bad-28.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-29">syn-bad-29.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-30">syn-bad-30.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-bad-31">syn-bad-31.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">Approved</a></dd>
+<dt><a href="#syn-09">syn-09.rq</a></dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-10">syn-10.rq</a></dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-11">syn-11.rq</a></dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-34">syn-bad-34.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-35">syn-bad-35.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-36">syn-bad-36.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-37">syn-bad-37.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-38">syn-bad-38.rq</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://www.w3.org/2007/02/13-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#syn-bad-GRAPH-breaks-BGP">syn-bad-GRAPH-breaks-BGP</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">Approved</a></dd>
+<dd>bad: re-used BNode label after GRAPH</dd>
+<dt><a href="#syn-bad-OPT-breaks-BGP">syn-bad-OPT-breaks-BGP</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">Approved</a></dd>
+<dd>bad: re-used BNode label after OPTIONAL</dd>
+<dt><a href="#syn-bad-UNION-breaks-BGP">syn-bad-UNION-breaks-BGP</a> - negative syntax test, should fail to parse</dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>bad: re-used BNode label after UNION</dd>
+<dt><a href="#syn-leading-digits-in-prefixed-names">syn-leading-digits-in-prefixed-names.rq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">Approved</a></dd>
+    </dl>
+    <h3>Evaluation Tests</h3>
+    <dl>
+<dt><a href="#filter-nested-1">Filter-nested - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>A FILTER is in scope for variables bound at the same level of the query tree</dd>
+<dt><a href="#filter-nested-2">Filter-nested - 2</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>A FILTER in a group { ... } cannot see variables bound outside that group</dd>
+<dt><a href="#filter-place-1">Filter-placement - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER placed after the triple pattern that contains the variable tested</dd>
+<dt><a href="#filter-place-2">Filter-placement - 2</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTERs are scoped to the nearest enclosing group - placement within that group does not matter</dd>
+<dt><a href="#filter-place-3">Filter-placement - 3</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTERs are scoped to the nearest enclosing group - placement within that group does not matter</dd>
+<dt><a href="#filter-scope-1">Filter-scope - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTERs in an OPTIONAL do not extend to variables bound outside of the LeftJoin(...) operation</dd>
+<dt><a href="#join-combo-1">Join operator with OPTs, BGPs, and UNIONs</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Tests nested combination of Join with a BGP / OPT and a BGP / UNION</dd>
+<dt><a href="#join-combo-2">Join operator with Graph and Union</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Tests combination of Join operator with Graph on LHS and Union on RHS</dd>
+<dt><a href="#join-scope-1">Join scope - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Variables have query scope.</dd>
+<dt><a href="#nested-opt-1">Nested Optionals - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Nested-optionals with a shared variable that does not appear in the middle pattern (a not well-formed query pattern as per "Semantics and Complexity" of SPARQL</dd>
+<dt><a href="#nested-opt-2">Nested Optionals - 2</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>OPTIONALs parse in a left-associative manner</dd>
+<dt><a href="#opt-filter-1">Optional-filter - 1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>A FILTER inside an OPTIONAL can reference a variable bound in the required part of the OPTIONAL</dd>
+<dt><a href="#opt-filter-2">Optional-filter - 2 filters</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTERs inside an OPTIONAL can refer to variables from both the required and optional parts of the construct.</dd>
+<dt><a href="#opt-filter-3">Optional-filter - scope of variable</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>FILTERs in an OPTIONAL do not extend to variables bound outside of the LeftJoin(...) operation</dd>
+<dt><a href="#ask-1">ASK-1 (SPARQL XML results)</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#ask-4">ASK-4 (SPARQL XML results)</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#ask-7">ASK-7 (SPARQL XML results)</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#ask-8">ASK-8 (SPARQL XML results)</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#base-prefix-1">Basic - Prefix/Base 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#base-prefix-2">Basic - Prefix/Base 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#base-prefix-3">Basic - Prefix/Base 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#base-prefix-4">Basic - Prefix/Base 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#base-prefix-5">Basic - Prefix/Base 5</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#bgp-no-match">Non-matching triple pattern</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>Patterns not in data don't match</dd>
+<dt><a href="#list-1">Basic - List 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#list-2">Basic - List 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#list-3">Basic - List 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#list-4">Basic - List 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#prefix-name-1">Prefix name 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>No local name - foo:</dd>
+<dt><a href="#quotes-1">Basic - Quotes 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#quotes-2">Basic - Quotes 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#quotes-3">Basic - Quotes 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#quotes-4">Basic - Quotes 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#spoo-1">Basic graph pattern - spoo</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dd>Test the :x :y :o1, :o2 construct</dd>
+<dt><a href="#term-1">Basic - Term 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-2">Basic - Term 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-3">Basic - Term 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-4">Basic - Term 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-5">Basic - Term 5</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-6">Basic - Term 6</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-7">Basic - Term 7</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-8">Basic - Term 8</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#term-9">Basic - Term 9</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#var-1">Basic - Var 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#var-2">Basic - Var 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#dawg-bnode-coref-001">dawg-bnode-coreference</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>Query results must maintain bnode co-references in the dataset</dd>
+<dt><a href="#dawg-bev-1">Test 'boolean effective value' - true</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Non-zero numerics, non-empty strings, and the true boolean have an EBV of true</dd>
+<dt><a href="#dawg-bev-2">Test 'boolean effective value' - false</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Zero-valued numerics, the empty string, and the false boolean have an EBV of false</dd>
+<dt><a href="#dawg-bev-3">Test 'boolean effective value' - &&</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>The && operator takes the EBV of its operands</dd>
+<dt><a href="#dawg-bev-4">Test 'boolean effective value' - ||</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>The || operator takes the EBV of its operands</dd>
+<dt><a href="#dawg-bev-5">Test 'boolean effective value' - optional</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>The EBV of an unbound value  or a literal with an unknown datatype is a type error, which eliminates the solution in question</dd>
+<dt><a href="#dawg-bev-6">Test 'boolean effective value' - unknown types</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Negating a type error is still a type error</dd>
+<dt><a href="#dawg-boolean-literal">Test literal 'true'</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#dawg-bound-query-001">dawg-bound-query-001</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>BOUND test case.</dd>
+<dt><a href="#cast-bool">Cast to xsd:boolean</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-dT">Cast to xsd:dateTime</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-dbl">Cast to xsd:double</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-dec">Cast to xsd:decimal</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-flt">Cast to xsd:float</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-int">Cast to xsd:integer</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#cast-str">Cast to xsd:string</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#construct-1">dawg-construct-identity</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Graph equivalent result graph</dd>
+<dt><a href="#construct-2">dawg-construct-subgraph</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Result subgraph of original graph</dd>
+<dt><a href="#construct-3">dawg-construct-reification-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Reification of the default graph</dd>
+<dt><a href="#construct-4">dawg-construct-reification-2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Reification of the default graph</dd>
+<dt><a href="#construct-5">dawg-construct-optional</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Reification of the default graph</dd>
+<dt><a href="#dawg-dataset-01">dataset-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default dataset / Query: default dataset</dd>
+<dt><a href="#dawg-dataset-02">dataset-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named dataset / Query: default dataset</dd>
+<dt><a href="#dawg-dataset-03">dataset-03</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named dataset / Query: named dataset dataset</dd>
+<dt><a href="#dawg-dataset-04">dataset-04</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named dataset / Query: default dataset</dd>
+<dt><a href="#dawg-dataset-05">dataset-05</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: default dataset</dd>
+<dt><a href="#dawg-dataset-06">dataset-06</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: named dataset</dd>
+<dt><a href="#dawg-dataset-07">dataset-07</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: all data by UNION</dd>
+<dt><a href="#dawg-dataset-08">dataset-08</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: common subjects</dd>
+<dt><a href="#dawg-dataset-09">dataset-09</a></dt>
+<dd>Data: default and named (bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-dataset-09b">dataset-09b</a></dt>
+<dd><a href="http://www.w3.org/2007/10/09-dawg-minutes.html">Approved</a></dd>
+<dd>Data: default and named (bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-dataset-10">dataset-10</a></dt>
+<dd>Data: default and named (same data, with bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-dataset-10b">dataset-10b</a></dt>
+<dd><a href="http://www.w3.org/2007/10/09-dawg-minutes.html">Approved</a></dd>
+<dd>Data: default and named (same data, with bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-dataset-11">dataset-11</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>Data: default and named (several) / Query: get everything</dd>
+<dt><a href="#dawg-dataset-12">dataset-12</a></dt>
+<dd>Data: default (several) and named (several) / Query: get everything</dd>
+<dt><a href="#dawg-dataset-12b">dataset-12b</a></dt>
+<dd><a href="http://www.w3.org/2007/10/09-dawg-minutes.html">Approved</a></dd>
+<dd>Data: default (several) and named (several) / Query: get everything</dd>
+<dt><a href="#distinct-1">Numbers: Distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#distinct-2">Strings: Distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#distinct-3">Nodes: Distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#distinct-4">Opt: Distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#distinct-9">All: Distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#distinct-star-1">SELECT DISTINCT *</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#no-distinct-1">Numbers: No distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#no-distinct-2">Strings: No distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#no-distinct-3">Nodes: No distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#no-distinct-4">Opt: No distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#no-distinct-9">All: No distinct</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dt><a href="#dawg-datatype-1">datatype-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-datatype-2">datatype-2 : Literals with a datatype</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>updated from original test case: eliminated ordering from test</dd>
+<dt><a href="#dawg-datatype-3">datatype-3 : Literals with a datatype of xsd:string</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>updated from original test case: eliminated ordering from test</dd>
+<dt><a href="#dawg-isBlank-1">isBlank-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-isIRI-1">isIRI-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#dawg-isLiteral-1">isLiteral</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#dawg-isURI-1">isURI-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-lang-1">lang-1 : Literals with a lang tag of some kind</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>updated from original test case: eliminated ordering from test</dd>
+<dt><a href="#dawg-lang-2">lang-2 : Literals with a lang tag of ''</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>updated from original test case: eliminated ordering from test</dd>
+<dt><a href="#dawg-lang-3">lang-3 : Graph matching with lang tag being a different case</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>updated from original test case: eliminated ordering from test</dd>
+<dt><a href="#dawg-langMatches-1">LangMatches-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>langMatches(lang(?v), 'en-GB') matches 'abc'@en-gb</dd>
+<dt><a href="#dawg-langMatches-2">LangMatches-2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>langMatches(lang(?v), 'en') matches 'abc'@en, 'abc'@en-gb</dd>
+<dt><a href="#dawg-langMatches-3">LangMatches-3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>langMatches(lang(?v), '*') matches 'abc'@en, 'abc'@en-gb, 'abc'@fr</dd>
+<dt><a href="#dawg-langMatches-4">LangMatches-4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>! langMatches(lang(?v), '*') matches 'abc'</dd>
+<dt><a href="#dawg-langMatches-basic">LangMatches-basic</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>the basic range 'de-de' does not match 'de-Latn-de'</dd>
+<dt><a href="#dawg-str-1">str-1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-str-2">str-2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-str-3">str-3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#dawg-str-4">str-4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dt><a href="#lang-case-insensitive-eq">lang-case-insensitive-eq</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>'xyz'@en = 'xyz'@EN</dd>
+<dt><a href="#lang-case-insensitive-ne">lang-case-insensitive-ne</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>'xyz'@en != 'xyz'@EN</dd>
+<dt><a href="#sameTerm-eq">sameTerm-eq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>sameTerm(?v1, ?v2) && ?v1 = ?v2</dd>
+<dt><a href="#sameTerm-not-eq">sameTerm-not-eq</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>!sameTerm(?v1, ?v2) && ?v1 = ?v2</dd>
+<dt><a href="#sameTerm-simple">sameTerm-simple</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>sameTerm(?v1, ?v2)</dd>
+<dt><a href="#eq-1">Equality 1-1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>= in FILTER expressions is value equality</dd>
+<dt><a href="#eq-2">Equality 1-2</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>= in FILTER expressions is value equality</dd>
+<dt><a href="#eq-2-1">Equality - 2 var - test equals</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>= in FILTER is value equality</dd>
+<dt><a href="#eq-2-2">Equality - 2 var - test not equals </a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>!= in FILTER is value inequality</dd>
+<dt><a href="#eq-3">Equality 1-3</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Numerics are not value-equivalent to plain literals</dd>
+<dt><a href="#eq-4">Equality 1-4</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>= compares plain literals and unknown types with the same lexical form as false</dd>
+<dt><a href="#eq-5">Equality 1-5</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>= on IRI terms</dd>
+<dt><a href="#eq-graph-1">Equality 1-1 -- graph</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Graph pattern matching matches exact terms, not values</dd>
+<dt><a href="#eq-graph-2">Equality 1-2 -- graph</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Graph pattern matching matches exact terms, not values</dd>
+<dt><a href="#eq-graph-3">Equality 1-3 -- graph</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Graph pattern matching matches exact terms, not values</dd>
+<dt><a href="#eq-graph-4">Equality 1-4 -- graph</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Graph pattern matching matches exact terms, not values</dd>
+<dt><a href="#eq-graph-5">Equality 1-5 -- graph</a></dt>
+<dd><a href="http://www.w3.org/2007/06/19-dawg-minutes.html">Approved</a></dd>
+<dd>Graph pattern matching matches exact terms, not values</dd>
+<dt><a href="#ge-1">Greater-than or equals</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>>= in FILTER expressions</dd>
+<dt><a href="#le-1">Less-than or equals</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd><= in FILTER expressions</dd>
+<dt><a href="#minus-1">Subtraction</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>A - B in FILTER expressions</dd>
+<dt><a href="#mul-1">Multiplication</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>A * B in FILTER expressions</dd>
+<dt><a href="#plus-1">Addition</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>A + B in FILTER expressions</dd>
+<dt><a href="#unminus-1">Unary Minus</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>-A in FILTER expressions</dd>
+<dt><a href="#unplus-1">Unary Plusn</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">Approved</a></dd>
+<dd>+A in FILTER expressions</dd>
+<dt><a href="#dawg-graph-01">graph-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default graph / Query: default graph</dd>
+<dt><a href="#dawg-graph-02">graph-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named graph / Query: default graph</dd>
+<dt><a href="#dawg-graph-03">graph-03</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named graph / Query: named graph graph</dd>
+<dt><a href="#dawg-graph-04">graph-04</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: named graph / Query: default graph</dd>
+<dt><a href="#dawg-graph-05">graph-05</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: default graph</dd>
+<dt><a href="#dawg-graph-06">graph-06</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: named graph</dd>
+<dt><a href="#dawg-graph-07">graph-07</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: all data by UNION</dd>
+<dt><a href="#dawg-graph-08">graph-08</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named / Query: common subjects</dd>
+<dt><a href="#dawg-graph-09">graph-09</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named (bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-graph-10">graph-10</a></dt>
+<dd>Data: default and named (same data, with bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-graph-10b">graph-10b</a></dt>
+<dd><a href="http://www.w3.org/2007/10/09-dawg-minutes.html">Approved</a></dd>
+<dd>Data: default and named (same data, with bnodes) / Query: common subjects</dd>
+<dt><a href="#dawg-graph-11">graph-11</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Data: default and named (several) / Query: get everything</dd>
+<dt><a href="#kanji-1">kanji-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dt><a href="#kanji-2">kanji-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dt><a href="#normalization-1">normalization-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dt><a href="#normalization-2">normalization-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Example 1 from http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096</dd>
+<dt><a href="#normalization-3">normalization-03</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">Approved</a></dd>
+<dd>Example 2 from http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096</dd>
+<dt><a href="#date-1">date-1</a></dt>
+<dd>Added type : xsd:date '='</dd>
+<dt><a href="#date-2">date-2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Added type : xsd:date '!='</dd>
+<dt><a href="#date-3">date-3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Added type : xsd:date '>'</dd>
+<dt><a href="#date-4">date-4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>xsd:date ORDER BY</dd>
+<dt><a href="#open-cmp-01">open-cmp-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Find things that compare with < or ></dd>
+<dt><a href="#open-cmp-02">open-cmp-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">Approved</a></dd>
+<dd>Find things that compare with <= and ></dd>
+<dt><a href="#open-eq-01">open-eq-01</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>graph match - no lexical form in data (assumes no value matching)</dd>
+<dt><a href="#open-eq-02">open-eq-02</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>graph match - unknown type</dd>
+<dt><a href="#open-eq-03">open-eq-03</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Filter(?v=1)</dd>
+<dt><a href="#open-eq-04">open-eq-04</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Filter(?v!=1)</dd>
+<dt><a href="#open-eq-05">open-eq-05</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER(?v = unknown type)</dd>
+<dt><a href="#open-eq-06">open-eq-06</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER(?v != unknown type)</dd>
+<dt><a href="#open-eq-07">open-eq-07</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Test of '=' </dd>
+<dt><a href="#open-eq-08">open-eq-08</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Test of '!='</dd>
+<dt><a href="#open-eq-09">open-eq-09</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Test of '='</dd>
+<dt><a href="#open-eq-10">open-eq-10</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Test of '!='</dd>
+<dt><a href="#open-eq-11">open-eq-11</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>test of '=' || '!='</dd>
+<dt><a href="#open-eq-12">open-eq-12</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>find pairs that don't value-compare</dd>
+<dt><a href="#dawg-optional-filter-001">OPTIONAL-FILTER</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER inside an OPTIONAL does not block an entire solution</dd>
+<dt><a href="#dawg-optional-filter-002">OPTIONAL - Outer FILTER</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER outside an OPTIONAL tests bound and unbound variables</dd>
+<dt><a href="#dawg-optional-filter-003">OPTIONAL - Outer FILTER with BOUND</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">Approved</a></dd>
+<dd>Use !bound to only run outer FILTERs against variables bound in an OPTIONAL</dd>
+<dt><a href="#dawg-optional-filter-004">OPTIONAL - Inner FILTER with negative EBV for outer variables</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007OctDec/att-0006/02-dawg-minutes.html">Approved</a></dd>
+<dd>FILTER inside an OPTIONAL does not corrupt the entire solution</dd>
+<dt><a href="#dawg-optional-filter-005-not-simplified">dawg-optional-filter-005-not-simplified</a></dt>
+<dd>Double curly braces do NOT get simplified to single curly braces early on, before filters are scoped</dd>
+<dt><a href="#dawg-optional-filter-005-simplified">dawg-optional-filter-005-simplified</a></dt>
+<dd>Double curly braces get simplified to single curly braces early on, before filters are scoped</dd>
+<dt><a href="#dawg-optional-001">One optional clause</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>One optional clause</dd>
+<dt><a href="#dawg-optional-002">Two optional clauses</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>One optional clause</dd>
+<dt><a href="#dawg-optional-complex-1">Complex optional semantics: 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Complex optional: LeftJoin(LeftJoin(BGP(..),{..}),Join(BGP(..),Union(..,..)))</dd>
+<dt><a href="#dawg-optional-complex-2">Complex optional semantics: 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Complex optional: LeftJoin(Join(BGP(..),Graph(var,{..})),Union(..,..))</dd>
+<dt><a href="#dawg-optional-complex-3">Complex optional semantics: 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Complex optional: LeftJoin(Join(BGP(..),Graph(var,{..})),LeftJoin(BGP(..),{..}))</dd>
+<dt><a href="#dawg-optional-complex-4">Complex optional semantics: 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Complex optional: LeftJoin(Join(BGP(..),Union(..,..)),Join(BGP(..),Graph(varOrIRI,{..})))</dd>
+<dt><a href="#dawg-union-001">Union is not optional</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">Approved</a></dd>
+<dd>Union is not optional</dd>
+<dt><a href="#dawg-regex-001">regex-query-001</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">Approved</a></dd>
+<dd>Simple unanchored match test</dd>
+<dt><a href="#dawg-regex-002">regex-query-002</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">Approved</a></dd>
+<dd>Case insensitive unanchored match test</dd>
+<dt><a href="#dawg-regex-003">regex-query-003</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">Approved</a></dd>
+<dd>Use/mention test</dd>
+<dt><a href="#dawg-regex-004">regex-query-004</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">Approved</a></dd>
+<dd>str()+URI test</dd>
+<dt><a href="#limit-1">Limit 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#limit-2">Limit 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#limit-3">Limit 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#limit-4">Limit 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#offset-1">Offset 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#offset-2">Offset 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#offset-3">Offset 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#offset-4">Offset 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#slice-1">Slice 1</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#slice-2">Slice 2</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#slice-3">Slice 3</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#slice-4">Slice 4</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#slice-5">Slice 5</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">Approved</a></dd>
+<dt><a href="#dawg-sort-1">sort-1</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Alphabetic sort (ascending) on untyped literals</dd>
+<dt><a href="#dawg-sort-10">sort-10</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Alphabetic sort (descending) on datatyped (string) literals</dd>
+<dt><a href="#dawg-sort-2">sort-2</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Alphabetic sort (descending) on untyped literals</dd>
+<dt><a href="#dawg-sort-3">sort-3</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort on (possibly unbound) URIs</dd>
+<dt><a href="#dawg-sort-4">sort-4</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort on datatyped (integer) literals</dd>
+<dt><a href="#dawg-sort-5">sort-5</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort first on untyped literals (ascending), then on datatyped (integer) literals (descending</dd>
+<dt><a href="#dawg-sort-6">sort-6</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort on mixed result of uris and literals.</dd>
+<dt><a href="#dawg-sort-7">sort-7</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort on comparable mixed typed literals (integer and float)</dd>
+<dt><a href="#dawg-sort-8">sort-8</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Sort on several mixed values (bnode, uri, literal)</dd>
+<dt><a href="#dawg-sort-9">sort-9</a></dt>
+<dd><a href="http://www.w3.org/2007/06/26-dawg-minutes">Approved</a></dd>
+<dd>Alphabetic sort (ascending) on datatyped (string) literals</dd>
+<dt><a href="#dawg-sort-builtin">Builtin sort</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Sort by a builtin operator</dd>
+<dt><a href="#dawg-sort-function">Function sort</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Sort by function invocation</dd>
+<dt><a href="#dawg-sort-numbers">Expression sort</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">Approved</a></dd>
+<dd>Sort by a bracketted expression</dd>
+<dt><a href="#dawg-triple-pattern-001">dawg-triple-pattern-001</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">Approved</a></dd>
+<dd>Simple triple match</dd>
+<dt><a href="#dawg-triple-pattern-002">dawg-triple-pattern-002</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">Approved</a></dd>
+<dd>Simple triple match</dd>
+<dt><a href="#dawg-triple-pattern-003">dawg-triple-pattern-003</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">Approved</a></dd>
+<dd>Simple triple match - repeated variable</dd>
+<dt><a href="#dawg-triple-pattern-004">dawg-triple-pattern-004</a></dt>
+<dd><a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">Approved</a></dd>
+<dd>Simple triple match - two triples, common variable</dd>
+<dt><a href="#type-promotion-01">tP-double-double</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-02">tP-double-float</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-03">tP-double-decimal</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-04">tP-float-float</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-05">tP-float-decimal</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-06">tP-decimal-decimal</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-07">tP-integer-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-08">tP-nonPositiveInteger-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-09">tP-negativeInteger-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-10">tP-long-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-11">tP-int-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-12">tP-short-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-13">tP-byte-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-14">tP-nonNegativeInteger-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-15">tP-unsignedLong-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-16">tP-unsignedInt-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-17">tP-unsignedShort-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-18">tP-unsignedByte-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-19">tP-positiveInteger-short</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-20">tP-short-double</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-21">tP-short-float</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-22">tP-short-decimal</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-23">tP-short-short-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-24">tP-byte-short-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-25">tP-short-long-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-26">tP-short-int-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-27">tP-short-byte-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-28">tP-double-float-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-29">tP-double-decimal-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+<dt><a href="#type-promotion-30">tP-float-decimal-fail</a></dt>
+<dd><a href="http://www.w3.org/2007/07/17-dawg-minutes">Approved</a></dd>
+<dd>Positive test: product of type promotion within the xsd:decimal type tree.</dd>
+    </dl>
+    <hr/>
+<h2><a name="syntax-basic-01">syntax-basic-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-01.rq">data-r2/syntax-sparql1/syntax-basic-01.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { }
+
+</div>
+<hr/>
+<h2><a name="syntax-basic-02">syntax-basic-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-02.rq">data-r2/syntax-sparql1/syntax-basic-02.rq</a><br/>
+<div class="query">
+SELECT * {}
+
+</div>
+<hr/>
+<h2><a name="syntax-basic-03">syntax-basic-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-03.rq">data-r2/syntax-sparql1/syntax-basic-03.rq</a><br/>
+<div class="query">
+# No trailing dot
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { ?x ?y ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-basic-04">syntax-basic-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-04.rq">data-r2/syntax-sparql1/syntax-basic-04.rq</a><br/>
+<div class="query">
+# With trailing dot
+SELECT *
+WHERE { ?x ?y ?z . }
+
+</div>
+<hr/>
+<h2><a name="syntax-basic-05">syntax-basic-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-05.rq">data-r2/syntax-sparql1/syntax-basic-05.rq</a><br/>
+<div class="query">
+# Two triples : no trailing dot
+SELECT *
+WHERE { ?x ?y ?z . ?a ?b ?c }
+
+</div>
+<hr/>
+<h2><a name="syntax-basic-06">syntax-basic-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-basic-06.rq">data-r2/syntax-sparql1/syntax-basic-06.rq</a><br/>
+<div class="query">
+# Two triples : with trailing dot
+SELECT *
+WHERE { ?x ?y ?z . ?a ?b ?c . }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnodes-01">syntax-bnodes-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-bnodes-01.rq">data-r2/syntax-sparql1/syntax-bnodes-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { [:p :q ] }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnodes-02">syntax-bnodes-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-bnodes-02.rq">data-r2/syntax-sparql1/syntax-bnodes-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { [] :p :q }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnodes-03">syntax-bnodes-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-bnodes-03.rq">data-r2/syntax-sparql1/syntax-bnodes-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { [ ?x ?y ] :p [ ?pa ?b ] }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnodes-04">syntax-bnodes-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-bnodes-04.rq">data-r2/syntax-sparql1/syntax-bnodes-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { [ :p :q ; ] }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnodes-05">syntax-bnodes-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-bnodes-05.rq">data-r2/syntax-sparql1/syntax-bnodes-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { _:a :p1 :q1 .
+        _:a :p2 :q2 .
+      }
+
+</div>
+<hr/>
+<h2><a name="syntax-expr-01">syntax-expr-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-expr-01.rq">data-r2/syntax-sparql1/syntax-expr-01.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { ?s ?p ?o . FILTER (?o) }
+
+</div>
+<hr/>
+<h2><a name="syntax-expr-02">syntax-expr-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-expr-02.rq">data-r2/syntax-sparql1/syntax-expr-02.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { ?s ?p ?o . FILTER REGEX(?o, &quot;foo&quot;) }
+
+</div>
+<hr/>
+<h2><a name="syntax-expr-03">syntax-expr-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-expr-03.rq">data-r2/syntax-sparql1/syntax-expr-03.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { ?s ?p ?o . FILTER REGEX(?o, &quot;foo&quot;, &quot;i&quot;) }
+
+</div>
+<hr/>
+<h2><a name="syntax-expr-04">syntax-expr-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-expr-04.rq">data-r2/syntax-sparql1/syntax-expr-04.rq</a><br/>
+<div class="query">
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT *
+WHERE { ?s ?p ?o . FILTER xsd:integer(?o) }
+
+</div>
+<hr/>
+<h2><a name="syntax-expr-05">syntax-expr-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-expr-05.rq">data-r2/syntax-sparql1/syntax-expr-05.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT *
+WHERE { ?s ?p ?o . FILTER :myFunc(?s,?o) }
+
+</div>
+<hr/>
+<h2><a name="syntax-forms-01">syntax-forms-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-forms-01.rq">data-r2/syntax-sparql1/syntax-forms-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { ( [ ?x ?y ] ) :p ( [ ?pa ?b ] 57 ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-forms-02">syntax-forms-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-forms-02.rq">data-r2/syntax-sparql1/syntax-forms-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { ( [] [] ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-limit-offset-01">syntax-limit-offset-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-limit-offset-01.rq">data-r2/syntax-sparql1/syntax-limit-offset-01.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ?o
+LIMIT 5
+
+</div>
+<hr/>
+<h2><a name="syntax-limit-offset-02">syntax-limit-offset-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-limit-offset-02.rq">data-r2/syntax-sparql1/syntax-limit-offset-02.rq</a><br/>
+<div class="query">
+# LIMIT and OFFSET can be in either order
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ?o
+LIMIT 5
+OFFSET 3
+
+</div>
+<hr/>
+<h2><a name="syntax-limit-offset-03">syntax-limit-offset-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-limit-offset-03.rq">data-r2/syntax-sparql1/syntax-limit-offset-03.rq</a><br/>
+<div class="query">
+# LIMIT and OFFSET can be in either order
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ?o
+OFFSET 3
+LIMIT 5
+
+</div>
+<hr/>
+<h2><a name="syntax-limit-offset-04">syntax-limit-offset-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-limit-offset-04.rq">data-r2/syntax-sparql1/syntax-limit-offset-04.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ?o
+OFFSET 3
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-01">syntax-lists-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lists-01.rq">data-r2/syntax-sparql1/syntax-lists-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT * WHERE { ( ?x ) :p ?z  }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-02">syntax-lists-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lists-02.rq">data-r2/syntax-sparql1/syntax-lists-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT * WHERE { ?x :p ( ?z ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-03">syntax-lists-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lists-03.rq">data-r2/syntax-sparql1/syntax-lists-03.rq</a><br/>
+<div class="query">
+SELECT * WHERE { ( ?z ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-04">syntax-lists-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lists-04.rq">data-r2/syntax-sparql1/syntax-lists-04.rq</a><br/>
+<div class="query">
+SELECT * WHERE { ( ( ?z ) ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-05">syntax-lists-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lists-05.rq">data-r2/syntax-sparql1/syntax-lists-05.rq</a><br/>
+<div class="query">
+SELECT * WHERE { ( ( ) ) }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-01">syntax-lit-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-01.rq">data-r2/syntax-sparql1/syntax-lit-01.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;x&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-02">syntax-lit-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-02.rq">data-r2/syntax-sparql1/syntax-lit-02.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;x&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-03">syntax-lit-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-03.rq">data-r2/syntax-sparql1/syntax-lit-03.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;x\&quot;y&#39;z&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-04">syntax-lit-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-04.rq">data-r2/syntax-sparql1/syntax-lit-04.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;x&quot;y\&#39;z&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-05">syntax-lit-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-05.rq">data-r2/syntax-sparql1/syntax-lit-05.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;x\&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-06">syntax-lit-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-06.rq">data-r2/syntax-sparql1/syntax-lit-06.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;x\&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-07">syntax-lit-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-07.rq">data-r2/syntax-sparql1/syntax-lit-07.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p 123 }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-08">syntax-lit-08.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-08.rq">data-r2/syntax-sparql1/syntax-lit-08.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p 123. . }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-09">syntax-lit-09.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-09.rq">data-r2/syntax-sparql1/syntax-lit-09.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long
+&quot;&quot;
+Literal
+&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-10">syntax-lit-10.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-10.rq">data-r2/syntax-sparql1/syntax-lit-10.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long
+&#39;&#39; &quot;&quot;&quot;
+Literal&#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-11">syntax-lit-11.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-11.rq">data-r2/syntax-sparql1/syntax-lit-11.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long&quot;&quot;\&quot;Literal&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-12">syntax-lit-12.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-12.rq">data-r2/syntax-sparql1/syntax-lit-12.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long&#39;&#39;\&#39;Literal&#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-13">syntax-lit-13.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-13.rq">data-r2/syntax-sparql1/syntax-lit-13.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long\&quot;&quot;&quot;Literal&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-14">syntax-lit-14.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-14.rq">data-r2/syntax-sparql1/syntax-lit-14.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long\&#39;&#39;&#39;Literal&#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-15">syntax-lit-15.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-15.rq">data-r2/syntax-sparql1/syntax-lit-15.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long &#39;&#39; Literal&#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-16">syntax-lit-16.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-16.rq">data-r2/syntax-sparql1/syntax-lit-16.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long &#39; Literal&#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-17">syntax-lit-17.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-17.rq">data-r2/syntax-sparql1/syntax-lit-17.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &#39;&#39;&#39;Long&#39;&#39;\\Literal with &#39;\\ single quotes &#39;&#39;&#39; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-18">syntax-lit-18.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-18.rq">data-r2/syntax-sparql1/syntax-lit-18.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long &quot;&quot; Literal&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-19">syntax-lit-19.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-19.rq">data-r2/syntax-sparql1/syntax-lit-19.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long &quot; Literal&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-lit-20">syntax-lit-20.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-lit-20.rq">data-r2/syntax-sparql1/syntax-lit-20.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT * WHERE { :x :p &quot;&quot;&quot;Long&quot;&quot;\\Literal with &quot;\\ single quotes&quot;&quot;&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-order-01">syntax-order-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-01.rq">data-r2/syntax-sparql1/syntax-order-01.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ?o
+
+</div>
+<hr/>
+<h2><a name="syntax-order-02">syntax-order-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-02.rq">data-r2/syntax-sparql1/syntax-order-02.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY (?o+5)
+
+</div>
+<hr/>
+<h2><a name="syntax-order-03">syntax-order-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-03.rq">data-r2/syntax-sparql1/syntax-order-03.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY ASC(?o)
+
+</div>
+<hr/>
+<h2><a name="syntax-order-04">syntax-order-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-04.rq">data-r2/syntax-sparql1/syntax-order-04.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY DESC(?o)
+
+</div>
+<hr/>
+<h2><a name="syntax-order-05">syntax-order-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-05.rq">data-r2/syntax-sparql1/syntax-order-05.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY DESC(:func(?s, ?o))
+
+</div>
+<hr/>
+<h2><a name="syntax-order-06">syntax-order-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-06.rq">data-r2/syntax-sparql1/syntax-order-06.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY 
+  DESC(?o+57) :func2(?o) ASC(?s)
+
+</div>
+<hr/>
+<h2><a name="syntax-order-07">syntax-order-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-order-07.rq">data-r2/syntax-sparql1/syntax-order-07.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?s ?p ?o }
+ORDER BY str(?o)
+
+</div>
+<hr/>
+<h2><a name="syntax-pat-01">syntax-pat-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-pat-01.rq">data-r2/syntax-sparql1/syntax-pat-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+{ }
+
+</div>
+<hr/>
+<h2><a name="syntax-pat-02">syntax-pat-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-pat-02.rq">data-r2/syntax-sparql1/syntax-pat-02.rq</a><br/>
+<div class="query">
+# No DOT after optional
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?a :b :c OPTIONAL{:x :y :z} :x ?y ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-pat-03">syntax-pat-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-pat-03.rq">data-r2/syntax-sparql1/syntax-pat-03.rq</a><br/>
+<div class="query">
+# No DOT between non-triples patterns
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?a :b :c 
+  OPTIONAL{:x :y :z} 
+  { :x1 :y1 :z1 } UNION { :x2 :y2 :z2 }
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-pat-04">syntax-pat-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-pat-04.rq">data-r2/syntax-sparql1/syntax-pat-04.rq</a><br/>
+<div class="query">
+# No DOT between non-triples patterns
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+{
+  OPTIONAL{:x :y :z} 
+  ?a :b :c 
+  { :x1 :y1 :z1 } UNION { :x2 :y2 :z2 }
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-01">syntax-qname-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-01.rq">data-r2/syntax-sparql1/syntax-qname-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+{ ?x :p ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-02">syntax-qname-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-02.rq">data-r2/syntax-sparql1/syntax-qname-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { :x :p :z . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-03">syntax-qname-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-03.rq">data-r2/syntax-sparql1/syntax-qname-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { :_1 :p.rdf :z.z . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-04">syntax-qname-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-04.rq">data-r2/syntax-sparql1/syntax-qname-04.rq</a><br/>
+<div class="query">
+PREFIX :  &lt;http://example.org/ns#&gt; 
+PREFIX a: &lt;http://example.org/ns2#&gt; 
+SELECT *
+WHERE { : a: :a . : : : . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-05">syntax-qname-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-05.rq">data-r2/syntax-sparql1/syntax-qname-05.rq</a><br/>
+<div class="query">
+PREFIX :  &lt;&gt; 
+SELECT *
+WHERE { : : : . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-06">syntax-qname-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-06.rq">data-r2/syntax-sparql1/syntax-qname-06.rq</a><br/>
+<div class="query">
+PREFIX :  &lt;#&gt; 
+SELECT *
+WHERE { : : : . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-07">syntax-qname-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-07.rq">data-r2/syntax-sparql1/syntax-qname-07.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt; 
+SELECT *
+WHERE { : : : . }
+
+</div>
+<hr/>
+<h2><a name="syntax-qname-08">syntax-qname-08.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-qname-08.rq">data-r2/syntax-sparql1/syntax-qname-08.rq</a><br/>
+<div class="query">
+BASE   &lt;http://example.org/&gt;
+PREFIX :  &lt;#&gt;
+PREFIX x.y:  &lt;x#&gt;
+SELECT *
+WHERE { :a.b  x.y:  : . }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-01">syntax-struct-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-01.rq">data-r2/syntax-sparql1/syntax-struct-01.rq</a><br/>
+<div class="query">
+# Operator
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-02">syntax-struct-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-02.rq">data-r2/syntax-sparql1/syntax-struct-02.rq</a><br/>
+<div class="query">
+# Operator
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-03">syntax-struct-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-03.rq">data-r2/syntax-sparql1/syntax-struct-03.rq</a><br/>
+<div class="query">
+# Triple, no DOT, operator
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ :p :q :r OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-05">syntax-struct-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-05.rq">data-r2/syntax-sparql1/syntax-struct-05.rq</a><br/>
+<div class="query">
+# Triple, DOT, operator
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ :p :q :r . OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-06">syntax-struct-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-06.rq">data-r2/syntax-sparql1/syntax-struct-06.rq</a><br/>
+<div class="query">
+# Triple, DOT, operator, DOT
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ :p :q :r . OPTIONAL { :a :b :c } . }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-07">syntax-struct-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-07.rq">data-r2/syntax-sparql1/syntax-struct-07.rq</a><br/>
+<div class="query">
+# Operator, no DOT
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-08">syntax-struct-08.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-08.rq">data-r2/syntax-sparql1/syntax-struct-08.rq</a><br/>
+<div class="query">
+# Operator, DOT
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { :a :b :c } . }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-09">syntax-struct-09.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-09.rq">data-r2/syntax-sparql1/syntax-struct-09.rq</a><br/>
+<div class="query">
+# Operator, triple
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { :a :b :c } ?x ?y ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-10">syntax-struct-10.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-10.rq">data-r2/syntax-sparql1/syntax-struct-10.rq</a><br/>
+<div class="query">
+# Operator, DOT triple
+PREFIX :  &lt;http://example.org/ns#&gt; 
+SELECT *
+{ OPTIONAL { :a :b :c } . ?x ?y ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-11">syntax-struct-11.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-11.rq">data-r2/syntax-sparql1/syntax-struct-11.rq</a><br/>
+<div class="query">
+# Triple, semi, operator
+PREFIX :  &lt;http://example.org/ns#&gt;
+SELECT *
+{ :p :q :r ; OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-12">syntax-struct-12.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-12.rq">data-r2/syntax-sparql1/syntax-struct-12.rq</a><br/>
+<div class="query">
+# Triple, semi, DOT, operator
+PREFIX :  &lt;http://example.org/ns#&gt;
+SELECT *
+{ :p :q :r ; . OPTIONAL { :a :b :c } }
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-13">syntax-struct-13.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-13.rq">data-r2/syntax-sparql1/syntax-struct-13.rq</a><br/>
+<div class="query">
+# Two elements in the group
+PREFIX :  &lt;http://example.org/ns#&gt;
+SELECT *
+{ :p :q :r . OPTIONAL { :a :b :c } 
+  :p :q :r . OPTIONAL { :a :b :c } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-struct-14">syntax-struct-14.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-struct-14.rq">data-r2/syntax-sparql1/syntax-struct-14.rq</a><br/>
+<div class="query">
+# Two elements in the group
+PREFIX :  &lt;http://example.org/ns#&gt;
+SELECT *
+{ :p :q :r  OPTIONAL { :a :b :c } 
+  :p :q :r  OPTIONAL { :a :b :c } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-union-01">syntax-union-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-union-01.rq">data-r2/syntax-sparql1/syntax-union-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT *
+{
+  { ?s ?p ?o } UNION { ?a ?b ?c } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-union-02">syntax-union-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql1/syntax-union-02.rq">data-r2/syntax-sparql1/syntax-union-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT *
+{
+  { ?s ?p ?o } UNION { ?a ?b ?c } UNION { ?r ?s ?t }
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-bnode-01">syntax-bnode-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-bnode-01.rq">data-r2/syntax-sparql2/syntax-bnode-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { [] :p [] }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnode-02">syntax-bnode-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-bnode-02.rq">data-r2/syntax-sparql2/syntax-bnode-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+# Tab
+SELECT * WHERE { [ ] :p [
+	] }
+
+</div>
+<hr/>
+<h2><a name="syntax-bnode-03">syntax-bnode-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-bnode-03.rq">data-r2/syntax-sparql2/syntax-bnode-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { [ :p :q 
+ ] }
+
+</div>
+<hr/>
+<h2><a name="syntax-dataset-01">syntax-dataset-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-dataset-01.rq">data-r2/syntax-sparql2/syntax-dataset-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?x
+FROM &lt;http://example.org/graph&gt;
+WHERE {}
+
+</div>
+<hr/>
+<h2><a name="syntax-dataset-02">syntax-dataset-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-dataset-02.rq">data-r2/syntax-sparql2/syntax-dataset-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?x
+FROM NAMED &lt;http://example.org/graph1&gt;
+WHERE {}
+
+</div>
+<hr/>
+<h2><a name="syntax-dataset-03">syntax-dataset-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-dataset-03.rq">data-r2/syntax-sparql2/syntax-dataset-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?x
+FROM NAMED :graph1
+FROM NAMED :graph2
+WHERE {}
+
+</div>
+<hr/>
+<h2><a name="syntax-dataset-04">syntax-dataset-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-dataset-04.rq">data-r2/syntax-sparql2/syntax-dataset-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?x
+FROM :g1
+FROM :g2
+FROM NAMED :graph1
+FROM NAMED :graph2
+WHERE {}
+
+</div>
+<hr/>
+<h2><a name="syntax-esc-01">syntax-esc-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-esc-01.rq">data-r2/syntax-sparql2/syntax-esc-01.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { &lt;x&gt; &lt;p&gt; &quot;\t&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-esc-02">syntax-esc-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-esc-02.rq">data-r2/syntax-sparql2/syntax-esc-02.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { &lt;x&gt; &lt;p&gt; &quot;x\t&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-esc-03">syntax-esc-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-esc-03.rq">data-r2/syntax-sparql2/syntax-esc-03.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { &lt;x&gt; &lt;p&gt; &quot;\tx&quot; }
+
+</div>
+<hr/>
+<h2><a name="syntax-esc-04">syntax-esc-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-esc-04.rq">data-r2/syntax-sparql2/syntax-esc-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+SELECT *
+WHERE { &lt;\u0078&gt; :\u0070 ?xx\u0078 }
+
+</div>
+<hr/>
+<h2><a name="syntax-esc-05">syntax-esc-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-esc-05.rq">data-r2/syntax-sparql2/syntax-esc-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+SELECT *
+# Comments can contain \ u
+# &lt;\u0078&gt; :\u0070 ?xx\u0078
+WHERE { &lt;\u0078&gt; :\u0070 ?xx\u0078 }
+
+</div>
+<hr/>
+<h2><a name="syntax-form-ask-02">syntax-form-ask-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-ask-02.rq">data-r2/syntax-sparql2/syntax-form-ask-02.rq</a><br/>
+<div class="query">
+ASK {}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-construct01">syntax-form-construct01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-construct01.rq">data-r2/syntax-sparql2/syntax-form-construct01.rq</a><br/>
+<div class="query">
+CONSTRUCT { ?s &lt;p1&gt; &lt;o&gt; . ?s &lt;p2&gt; ?o } WHERE {?s ?p ?o}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-construct02">syntax-form-construct02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-construct02.rq">data-r2/syntax-sparql2/syntax-form-construct02.rq</a><br/>
+<div class="query">
+CONSTRUCT { ?s &lt;p1&gt; &lt;o&gt; . ?s &lt;p2&gt; ?o .} WHERE {?s ?p ?o}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-construct03">syntax-form-construct03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-construct03.rq">data-r2/syntax-sparql2/syntax-form-construct03.rq</a><br/>
+<div class="query">
+PREFIX  rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+CONSTRUCT { [] rdf:subject ?s ;
+               rdf:predicate ?p ;
+               rdf:object ?o }
+WHERE {?s ?p ?o}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-construct04">syntax-form-construct04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-construct04.rq">data-r2/syntax-sparql2/syntax-form-construct04.rq</a><br/>
+<div class="query">
+PREFIX  rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+CONSTRUCT { [] rdf:subject ?s ;
+               rdf:predicate ?p ;
+               rdf:object ?o . }
+WHERE {?s ?p ?o}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-construct06">syntax-form-construct06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-construct06.rq">data-r2/syntax-sparql2/syntax-form-construct06.rq</a><br/>
+<div class="query">
+CONSTRUCT {} WHERE {}
+
+</div>
+<hr/>
+<h2><a name="syntax-form-describe01">syntax-form-describe01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-describe01.rq">data-r2/syntax-sparql2/syntax-form-describe01.rq</a><br/>
+<div class="query">
+DESCRIBE &lt;u&gt;
+
+</div>
+<hr/>
+<h2><a name="syntax-form-describe02">syntax-form-describe02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-describe02.rq">data-r2/syntax-sparql2/syntax-form-describe02.rq</a><br/>
+<div class="query">
+DESCRIBE &lt;u&gt; ?u WHERE { &lt;x&gt; &lt;q&gt; ?u . }
+
+</div>
+<hr/>
+<h2><a name="syntax-form-select-01">syntax-form-select-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-select-01.rq">data-r2/syntax-sparql2/syntax-form-select-01.rq</a><br/>
+<div class="query">
+SELECT * WHERE { }
+
+</div>
+<hr/>
+<h2><a name="syntax-form-select-02">syntax-form-select-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-form-select-02.rq">data-r2/syntax-sparql2/syntax-form-select-02.rq</a><br/>
+<div class="query">
+SELECT * { }
+
+</div>
+<hr/>
+<h2><a name="syntax-function-01">syntax-function-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-function-01.rq">data-r2/syntax-sparql2/syntax-function-01.rq</a><br/>
+<div class="query">
+PREFIX q: &lt;http://example.org/&gt;
+SELECT * WHERE { FILTER (q:name()) }
+
+</div>
+<hr/>
+<h2><a name="syntax-function-02">syntax-function-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-function-02.rq">data-r2/syntax-sparql2/syntax-function-02.rq</a><br/>
+<div class="query">
+PREFIX q: &lt;http://example.org/&gt;
+SELECT * WHERE { FILTER (q:name( )) }
+
+</div>
+<hr/>
+<h2><a name="syntax-function-03">syntax-function-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-function-03.rq">data-r2/syntax-sparql2/syntax-function-03.rq</a><br/>
+<div class="query">
+PREFIX q: &lt;http://example.org/&gt;
+SELECT * WHERE { FILTER (q:name(
+)) }
+
+</div>
+<hr/>
+<h2><a name="syntax-function-04">syntax-function-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-function-04.rq">data-r2/syntax-sparql2/syntax-function-04.rq</a><br/>
+<div class="query">
+PREFIX q: &lt;http://example.org/&gt;
+SELECT * WHERE { FILTER (q:name(1
+)) . FILTER (q:name(1,2)) . FILTER (q:name(1
+,2))}
+
+</div>
+<hr/>
+<h2><a name="syntax-general-01">syntax-general-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-01.rq">data-r2/syntax-sparql2/syntax-general-01.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;&lt;c&gt; }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-02">syntax-general-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-02.rq">data-r2/syntax-sparql2/syntax-general-02.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;_:x }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-03">syntax-general-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-03.rq">data-r2/syntax-sparql2/syntax-general-03.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-04">syntax-general-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-04.rq">data-r2/syntax-sparql2/syntax-general-04.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;+11 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-05">syntax-general-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-05.rq">data-r2/syntax-sparql2/syntax-general-05.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;-1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-06">syntax-general-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-06.rq">data-r2/syntax-sparql2/syntax-general-06.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;1.0 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-07">syntax-general-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-07.rq">data-r2/syntax-sparql2/syntax-general-07.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;+1.0 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-08">syntax-general-08.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-08.rq">data-r2/syntax-sparql2/syntax-general-08.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;-1.0 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-09">syntax-general-09.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-09.rq">data-r2/syntax-sparql2/syntax-general-09.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;1.0e0 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-10">syntax-general-10.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-10.rq">data-r2/syntax-sparql2/syntax-general-10.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;+1.0e+1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-11">syntax-general-11.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-11.rq">data-r2/syntax-sparql2/syntax-general-11.rq</a><br/>
+<div class="query">
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;-1.0e-1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-12">syntax-general-12.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-12.rq">data-r2/syntax-sparql2/syntax-general-12.rq</a><br/>
+<div class="query">
+# Legal, if unusual, IRIs
+SELECT * WHERE { &lt;a&gt; &lt;b&gt; &lt;?z&gt; }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-13">syntax-general-13.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-13.rq">data-r2/syntax-sparql2/syntax-general-13.rq</a><br/>
+<div class="query">
+# Legal, if unusual, IRIs
+BASE &lt;http://example/page.html&gt;
+SELECT * WHERE { &lt;a&gt; &lt;b&gt; &lt;#x&gt; }
+
+</div>
+<hr/>
+<h2><a name="syntax-general-14">syntax-general-14.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-general-14.rq">data-r2/syntax-sparql2/syntax-general-14.rq</a><br/>
+<div class="query">
+# Legal, if unusual, IRIs
+BASE &lt;http://example/page.html?query&gt;
+SELECT * WHERE { &lt;a&gt; &lt;b&gt; &lt;&amp;param=value&gt; }
+
+</div>
+<hr/>
+<h2><a name="syntax-graph-01">syntax-graph-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-graph-01.rq">data-r2/syntax-sparql2/syntax-graph-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  GRAPH ?g { } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-graph-02">syntax-graph-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-graph-02.rq">data-r2/syntax-sparql2/syntax-graph-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  GRAPH :a { } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-graph-03">syntax-graph-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-graph-03.rq">data-r2/syntax-sparql2/syntax-graph-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  GRAPH ?g { :x :b ?a } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-graph-04">syntax-graph-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-graph-04.rq">data-r2/syntax-sparql2/syntax-graph-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  :x :p :z
+  GRAPH ?g { :x :b ?a } 
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-graph-05">syntax-graph-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-graph-05.rq">data-r2/syntax-sparql2/syntax-graph-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  :x :p :z
+  GRAPH ?g { :x :b ?a . GRAPH ?g2 { :x :p ?x } }
+}
+
+</div>
+<hr/>
+<h2><a name="syntax-keywords-01">syntax-keywords-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-keywords-01.rq">data-r2/syntax-sparql2/syntax-keywords-01.rq</a><br/>
+<div class="query">
+# use keyword FILTER as a namespace prefix
+PREFIX FILTER: &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { ?x FILTER:foo ?z FILTER (?z) }
+
+</div>
+<hr/>
+<h2><a name="syntax-keywords-02">syntax-keywords-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-keywords-02.rq">data-r2/syntax-sparql2/syntax-keywords-02.rq</a><br/>
+<div class="query">
+# use keyword FILTER as a local name
+PREFIX : &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { ?x :FILTER ?z FILTER (?z) }
+
+</div>
+<hr/>
+<h2><a name="syntax-keywords-03">syntax-keywords-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-keywords-03.rq">data-r2/syntax-sparql2/syntax-keywords-03.rq</a><br/>
+<div class="query">
+# use keyword UNION as a namespace prefix
+PREFIX UNION: &lt;http://example.org/ns#&gt; 
+SELECT *
+WHERE { ?x UNION:foo ?z }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-01">syntax-lists-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-lists-01.rq">data-r2/syntax-sparql2/syntax-lists-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { () :p 1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-02">syntax-lists-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-lists-02.rq">data-r2/syntax-sparql2/syntax-lists-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { ( ) :p 1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-03">syntax-lists-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-lists-03.rq">data-r2/syntax-sparql2/syntax-lists-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { ( 
+) :p 1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-04">syntax-lists-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-lists-04.rq">data-r2/syntax-sparql2/syntax-lists-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { ( 1 2
+) :p 1 }
+
+</div>
+<hr/>
+<h2><a name="syntax-lists-05">syntax-lists-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql2/syntax-lists-05.rq">data-r2/syntax-sparql2/syntax-lists-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT * WHERE { ( 1 2
+) }
+
+</div>
+<hr/>
+<h2><a name="blabel-cross-filter">syn-blabel-cross-filter</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-blabel-cross-filter.rq">data-r2/syntax-sparql3/syn-blabel-cross-filter.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# BNode label used across a FILTER.
+PREFIX : &lt;http://xmlns.com/foaf/0.1/&gt;
+
+ASK { _:who :homepage ?homepage 
+      FILTER REGEX(?homepage, &quot;^http://example.org/&quot;) 
+      _:who :schoolHomepage ?schoolPage }
+
+</div>
+<hr/>
+<h2><a name="blabel-cross-graph-bad">syn-blabel-cross-graph-bad</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0012/2007-04-10-dawg-minutes.html#item06</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-blabel-cross-graph-bad.rq">data-r2/syntax-sparql3/syn-blabel-cross-graph-bad.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# BNode label used across a GRAPH.
+PREFIX : &lt;http://xmlns.com/foaf/0.1/&gt;
+
+ASK { _:who :homepage ?homepage 
+      GRAPH ?g { ?someone :made ?homepage } 
+      _:who :schoolHomepage ?schoolPage }
+
+</div>
+<hr/>
+<h2><a name="blabel-cross-optional-bad">syn-blabel-cross-optional-bad</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-blabel-cross-optional-bad.rq">data-r2/syntax-sparql3/syn-blabel-cross-optional-bad.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# BNode label used across an OPTIONAL.
+# This isn&#39;t necessarily a *syntax* test, but references to bnode labels
+# may not span basic graph patterns.
+PREFIX foaf: 	&lt;http://xmlns.com/foaf/0.1/&gt;
+
+ASK { _:who foaf:homepage ?homepage 
+      OPTIONAL { ?someone foaf:made ?homepage } 
+      _:who foaf:schoolHomepage ?schoolPage }
+
+</div>
+<hr/>
+<h2><a name="blabel-cross-union-bad">syn-blabel-cross-union-bad</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-blabel-cross-union-bad.rq">data-r2/syntax-sparql3/syn-blabel-cross-union-bad.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# BNode label used across a UNION.
+# This isn&#39;t necessarily a *syntax* test, but references to bnode labels
+# may not span basic graph patterns.
+PREFIX foaf: 	&lt;http://xmlns.com/foaf/0.1/&gt;
+
+ASK { _:who foaf:homepage ?homepage 
+      { ?someone foaf:made ?homepage }
+      UNION
+      { ?homepage foaf:maker ?someone }
+      _:who foaf:schoolHomepage ?schoolPage }
+
+</div>
+<hr/>
+<h2><a name="bnode-dot">syn-bad-bnode-dot.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-bnode-dot.rq">data-r2/syntax-sparql3/syn-bad-bnode-dot.rq</a><br/>
+<div class="query">
+# NegativeSyntax/bnode-dot.rq
+SELECT * WHERE {[] . }
+
+</div>
+<hr/>
+<h2><a name="bnodes-missing-pvalues-01">syn-bad-bnodes-missing-pvalues-01.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-bnodes-missing-pvalues-01.rq">data-r2/syntax-sparql3/syn-bad-bnodes-missing-pvalues-01.rq</a><br/>
+<div class="query">
+# NegativeSyntax/bnodes-missing-pvalues.rq
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE { [,] :p [;] . }
+
+</div>
+<hr/>
+<h2><a name="bnodes-missing-pvalues-02">syn-bad-bnodes-missing-pvalues-02.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-bnodes-missing-pvalues-02.rq">data-r2/syntax-sparql3/syn-bad-bnodes-missing-pvalues-02.rq</a><br/>
+<div class="query">
+# NegativeSyntax/bnodes-missing-pvalues-02.rq
+SELECT * WHERE {() . [,] . [,;] }
+
+</div>
+<hr/>
+<h2><a name="empty-optional-01">syn-bad-empty-optional-01.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-empty-optional-01.rq">data-r2/syntax-sparql3/syn-bad-empty-optional-01.rq</a><br/>
+<div class="query">
+# NegativeSyntax/empty-optional.rq
+SELECT * { OPTIONAL FILTER (?x) }
+
+</div>
+<hr/>
+<h2><a name="empty-optional-02">syn-bad-empty-optional-02.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-empty-optional-02.rq">data-r2/syntax-sparql3/syn-bad-empty-optional-02.rq</a><br/>
+<div class="query">
+# NegativeSyntax/empty-optional-02.rq
+SELECT * { OPTIONAL GRAPH ?v OPTIONAL FILTER (?x) }
+
+</div>
+<hr/>
+<h2><a name="filter-missing-parens">syn-bad-filter-missing-parens.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-filter-missing-parens.rq">data-r2/syntax-sparql3/syn-bad-filter-missing-parens.rq</a><br/>
+<div class="query">
+# NegativeSyntax/filter-missing-parens.rq
+SELECT * { ?s ?p ?o FILTER ?x }
+
+</div>
+<hr/>
+<h2><a name="lone-list">syn-bad-lone-list.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-lone-list.rq">data-r2/syntax-sparql3/syn-bad-lone-list.rq</a><br/>
+<div class="query">
+# NegativeSyntax/lone-list.rq
+SELECT * WHERE { () }
+
+</div>
+<hr/>
+<h2><a name="lone-node">syn-bad-lone-node.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-lone-node.rq">data-r2/syntax-sparql3/syn-bad-lone-node.rq</a><br/>
+<div class="query">
+# NegativeSyntax/lone-node.rq
+SELECT * WHERE {&lt;a&gt;}
+
+</div>
+<hr/>
+<h2><a name="syn-01">syn-01.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-01.rq">data-r2/syntax-sparql3/syn-01.rq</a><br/>
+<div class="query">
+# Dot after triple
+SELECT * WHERE
+{ ?s ?p ?o . }
+
+</div>
+<hr/>
+<h2><a name="syn-02">syn-02.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-02.rq">data-r2/syntax-sparql3/syn-02.rq</a><br/>
+<div class="query">
+# No dot after triple
+SELECT * WHERE
+{ ?s ?p ?o }
+
+</div>
+<hr/>
+<h2><a name="syn-03">syn-03.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-03.rq">data-r2/syntax-sparql3/syn-03.rq</a><br/>
+<div class="query">
+SELECT * WHERE
+{ ?s ?p ?o . ?s ?p ?o . }
+
+</div>
+<hr/>
+<h2><a name="syn-04">syn-04.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-04.rq">data-r2/syntax-sparql3/syn-04.rq</a><br/>
+<div class="query">
+# No dot
+SELECT * WHERE
+{ ?s ?p ?o . ?s ?p ?o }
+
+</div>
+<hr/>
+<h2><a name="syn-05">syn-05.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-05.rq">data-r2/syntax-sparql3/syn-05.rq</a><br/>
+<div class="query">
+# DOT after non-triples
+SELECT * WHERE
+{ FILTER (?o&gt;5) . }
+
+</div>
+<hr/>
+<h2><a name="syn-06">syn-06.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-06.rq">data-r2/syntax-sparql3/syn-06.rq</a><br/>
+<div class="query">
+# DOT after non-triples
+SELECT * WHERE
+{ FILTER (?o&gt;5) . ?s ?p ?o }
+
+</div>
+<hr/>
+<h2><a name="syn-07">syn-07.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-07.rq">data-r2/syntax-sparql3/syn-07.rq</a><br/>
+<div class="query">
+# Trailing ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p :o ; FILTER(?x) }
+
+</div>
+<hr/>
+<h2><a name="syn-08">syn-08.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-08.rq">data-r2/syntax-sparql3/syn-08.rq</a><br/>
+<div class="query">
+# Broken ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p :o ; . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-01">syn-bad-01.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-01.rq">data-r2/syntax-sparql3/syn-bad-01.rq</a><br/>
+<div class="query">
+# More a test that bad syntax tests work!
+PREFIX ex:   &lt;http://example/ns#&gt;
+SELECT *
+
+</div>
+<hr/>
+<h2><a name="syn-bad-02">syn-bad-02.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-02.rq">data-r2/syntax-sparql3/syn-bad-02.rq</a><br/>
+<div class="query">
+# Missing DOT, 2 triples
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT *
+{ :s1 :p1 :o1 :s2 :p2 :o2 . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-03">syn-bad-03.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-03.rq">data-r2/syntax-sparql3/syn-bad-03.rq</a><br/>
+<div class="query">
+# Missing DOT between triples
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT *
+{ :s1 :p1 :o1 :s2 :p2 :o2 . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-04">syn-bad-04.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-04.rq">data-r2/syntax-sparql3/syn-bad-04.rq</a><br/>
+<div class="query">
+# Missing DOT after ; between triples
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT *
+{ :s1 :p1 :o1 ; :s2 :p2 :o2 . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-05">syn-bad-05.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-05.rq">data-r2/syntax-sparql3/syn-bad-05.rq</a><br/>
+<div class="query">
+# DOT, no triples
+SELECT * WHERE
+{ . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-06">syn-bad-06.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-06.rq">data-r2/syntax-sparql3/syn-bad-06.rq</a><br/>
+<div class="query">
+# DOT, no triples
+SELECT * WHERE
+{ . . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-07">syn-bad-07.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-07.rq">data-r2/syntax-sparql3/syn-bad-07.rq</a><br/>
+<div class="query">
+# DOT, then triples
+SELECT * WHERE
+{ . ?s ?p ?o }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-08">syn-bad-08.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-08.rq">data-r2/syntax-sparql3/syn-bad-08.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o . . }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-09">syn-bad-09.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-09.rq">data-r2/syntax-sparql3/syn-bad-09.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o .. }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-10">syn-bad-10.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-10.rq">data-r2/syntax-sparql3/syn-bad-10.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o . . ?s1 ?p1 ?o1 }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-11">syn-bad-11.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-11.rq">data-r2/syntax-sparql3/syn-bad-11.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o .. ?s1 ?p1 ?o1 }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-12">syn-bad-12.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-12.rq">data-r2/syntax-sparql3/syn-bad-12.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o . . ?s1 ?p1 ?o1 }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-13">syn-bad-13.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-13.rq">data-r2/syntax-sparql3/syn-bad-13.rq</a><br/>
+<div class="query">
+# Multiple DOTs
+SELECT * WHERE
+{ ?s ?p ?o . ?s1 ?p1 ?o1 .. }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-14">syn-bad-14.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-14.rq">data-r2/syntax-sparql3/syn-bad-14.rq</a><br/>
+<div class="query">
+# DOT, no triples
+SELECT * WHERE
+{ . FILTER(?x) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-15">syn-bad-15.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-15.rq">data-r2/syntax-sparql3/syn-bad-15.rq</a><br/>
+<div class="query">
+# Broken ;
+SELECT * WHERE
+{ ; FILTER(?x) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-16">syn-bad-16.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-16.rq">data-r2/syntax-sparql3/syn-bad-16.rq</a><br/>
+<div class="query">
+# Broken ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s ; :p :o }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-17">syn-bad-17.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-17.rq">data-r2/syntax-sparql3/syn-bad-17.rq</a><br/>
+<div class="query">
+# Broken ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p ; }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-18">syn-bad-18.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-18.rq">data-r2/syntax-sparql3/syn-bad-18.rq</a><br/>
+<div class="query">
+# Broken ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p ; FILTER(?x) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-19">syn-bad-19.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-19.rq">data-r2/syntax-sparql3/syn-bad-19.rq</a><br/>
+<div class="query">
+# Broken ;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p :o . ;  }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-20">syn-bad-20.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-20.rq">data-r2/syntax-sparql3/syn-bad-20.rq</a><br/>
+<div class="query">
+# Broken ,
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s , :p :o  }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-21">syn-bad-21.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-21.rq">data-r2/syntax-sparql3/syn-bad-21.rq</a><br/>
+<div class="query">
+# Broken ,
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s  :p , :o  }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-22">syn-bad-22.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-22.rq">data-r2/syntax-sparql3/syn-bad-22.rq</a><br/>
+<div class="query">
+# Broken ,
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s  :p , }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-23">syn-bad-23.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-23.rq">data-r2/syntax-sparql3/syn-bad-23.rq</a><br/>
+<div class="query">
+# Broken , can&#39;t trail
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s  :p :o , }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-24">syn-bad-24.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-24.rq">data-r2/syntax-sparql3/syn-bad-24.rq</a><br/>
+<div class="query">
+# Broken , (should be ;)
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ :s :p1 :o1 , :p2 :o2}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-25">syn-bad-25.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-25.rq">data-r2/syntax-sparql3/syn-bad-25.rq</a><br/>
+<div class="query">
+CONSTRUCT 
+
+</div>
+<hr/>
+<h2><a name="syn-bad-26">syn-bad-26.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-26.rq">data-r2/syntax-sparql3/syn-bad-26.rq</a><br/>
+<div class="query">
+# Tokenizing matters.
+# &quot;longest token rule&quot; means this isn&#39;t a &quot;&lt;&quot; and &quot;&amp;&amp;&quot;
+PREFIX :   &lt;http://example/ns#&gt;
+SELECT * WHERE
+{ FILTER (?x&lt;?a&amp;&amp;?b&gt;?y) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-27">syn-bad-27.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-27.rq">data-r2/syntax-sparql3/syn-bad-27.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { :x [] :q }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-28">syn-bad-28.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-28.rq">data-r2/syntax-sparql3/syn-bad-28.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+SELECT * WHERE { :x _:a :q }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-29">syn-bad-29.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-29.rq">data-r2/syntax-sparql3/syn-bad-29.rq</a><br/>
+<div class="query">
+# Syntactic blank node in a filter.
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;_:x FILTER(_:x) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-30">syn-bad-30.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-30.rq">data-r2/syntax-sparql3/syn-bad-30.rq</a><br/>
+<div class="query">
+# Syntactic blank node in a filter.
+SELECT * WHERE { &lt;a&gt;&lt;b&gt;_:x FILTER(_:x &lt; 3) }
+
+</div>
+<hr/>
+<h2><a name="syn-bad-31">syn-bad-31.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JanMar/0047</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql3/syn-bad-31.rq">data-r2/syntax-sparql3/syn-bad-31.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  GRAPH [] { } 
+}
+
+</div>
+<hr/>
+<h2><a name="syn-09">syn-09.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-09.rq">data-r2/syntax-sparql4/syn-09.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v .  _:a ?q 1 
+}
+
+</div>
+<hr/>
+<h2><a name="syn-10">syn-10.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-10.rq">data-r2/syntax-sparql4/syn-10.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  { _:a ?p ?v .  _:a ?q _:a } UNION { _:b ?q _:c }
+}
+
+</div>
+<hr/>
+<h2><a name="syn-11">syn-11.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-11.rq">data-r2/syntax-sparql4/syn-11.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v .  FILTER(true) . [] ?q _:a
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-34">syn-bad-34.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-34.rq">data-r2/syntax-sparql4/syn-bad-34.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v . { _:a ?q 1 }
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-35">syn-bad-35.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-35.rq">data-r2/syntax-sparql4/syn-bad-35.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  { _:a ?p ?v . } _:a ?q 1 
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-36">syn-bad-36.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-36.rq">data-r2/syntax-sparql4/syn-bad-36.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  { _:a ?p ?v . } UNION { _:a ?q 1 } 
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-37">syn-bad-37.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-37.rq">data-r2/syntax-sparql4/syn-bad-37.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  { _:a ?p ?v . } _:a ?q 1 
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-38">syn-bad-38.rq</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/02/13-dawg-minutes.html">http://www.w3.org/2007/02/13-dawg-minutes.html</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-38.rq">data-r2/syntax-sparql4/syn-bad-38.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v . OPTIONAL {_:a ?q 1 }
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-GRAPH-breaks-BGP">syn-bad-GRAPH-breaks-BGP</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm</a></div>
+<p>bad: re-used BNode label after GRAPH</p>
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-GRAPH-breaks-BGP.rq">data-r2/syntax-sparql4/syn-bad-GRAPH-breaks-BGP.rq</a><br/>
+<div class="query">
+# bad: re-used BNode label after GRAPH
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v . GRAPH ?g { ?s ?p ?v } _:a ?q 1
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-OPT-breaks-BGP">syn-bad-OPT-breaks-BGP</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm</a></div>
+<p>bad: re-used BNode label after OPTIONAL</p>
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-OPT-breaks-BGP.rq">data-r2/syntax-sparql4/syn-bad-OPT-breaks-BGP.rq</a><br/>
+<div class="query">
+# bad: re-used BNode label after OPTIONAL
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v . OPTIONAL { ?s ?p ?v } _:a ?q 1
+}
+
+</div>
+<hr/>
+<h2><a name="syn-bad-UNION-breaks-BGP">syn-bad-UNION-breaks-BGP</a></h2>
+Negative syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>bad: re-used BNode label after UNION</p>
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-bad-UNION-breaks-BGP.rq">data-r2/syntax-sparql4/syn-bad-UNION-breaks-BGP.rq</a><br/>
+<div class="query">
+# bad: re-used BNode label after UNION
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# This isn&#39;t necessarily a *syntax* test, but references to bnode labels
+# may not span basic graph patterns.
+
+PREFIX : &lt;http://example.org/&gt;
+SELECT *
+WHERE
+{
+  _:a ?p ?v1 { ?s &lt;p1&gt; ?o } UNION { ?s &lt;p2&gt; ?o } _:a ?p ?v2
+}
+
+</div>
+<hr/>
+<h2><a name="syn-leading-digits-in-prefixed-names">syn-leading-digits-in-prefixed-names.rq</a></h2>
+Syntax test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0063/29-dawg-minutes.htm</a></div>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/syntax-sparql4/syn-leading-digits-in-prefixed-names.rq">data-r2/syntax-sparql4/syn-leading-digits-in-prefixed-names.rq</a><br/>
+<div class="query">
+PREFIX dob: &lt;http://placetime.com/interval/gregorian/1977-01-18T04:00:00Z/P&gt; 
+PREFIX time: &lt;http://www.ai.sri.com/daml/ontologies/time/Time.daml#&gt;
+PREFIX dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+SELECT ?desc
+WHERE  { 
+  dob:1D a time:ProperInterval;
+         dc:description ?desc.
+}
+
+</div>
+<hr/>
+<h2><a name="filter-nested-1">Filter-nested - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>A FILTER is in scope for variables bound at the same level of the query tree</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-1.ttl">data-r2/algebra/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-nested-1.rq">data-r2/algebra/filter-nested-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT ?v
+{ :x :p ?v . FILTER(?v = 1) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-nested-1.srx">data-r2/algebra/filter-nested-1.srx</a></p>
+<hr/>
+<h2><a name="filter-nested-2">Filter-nested - 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>A FILTER in a group { ... } cannot see variables bound outside that group</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-1.ttl">data-r2/algebra/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-nested-2.rq">data-r2/algebra/filter-nested-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT ?v
+{ :x :p ?v . { FILTER(?v = 1) } }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-nested-2.srx">data-r2/algebra/filter-nested-2.srx</a></p>
+<hr/>
+<h2><a name="filter-place-1">Filter-placement - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTER placed after the triple pattern that contains the variable tested</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-2.ttl">data-r2/algebra/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+:x :p &quot;4&quot;^^xsd:integer .
+
+:x :q &quot;1&quot;^^xsd:integer .
+:x :q &quot;2&quot;^^xsd:integer .
+:x :q &quot;3&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-1.rq">data-r2/algebra/filter-placement-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt;
+
+SELECT ?v 
+{ 
+    ?s :p ?v . 
+    FILTER (?v = 2)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-1.srx">data-r2/algebra/filter-placement-1.srx</a></p>
+<hr/>
+<h2><a name="filter-place-2">Filter-placement - 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTERs are scoped to the nearest enclosing group - placement within that group does not matter</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-2.ttl">data-r2/algebra/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+:x :p &quot;4&quot;^^xsd:integer .
+
+:x :q &quot;1&quot;^^xsd:integer .
+:x :q &quot;2&quot;^^xsd:integer .
+:x :q &quot;3&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-2.rq">data-r2/algebra/filter-placement-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt;
+
+SELECT ?v 
+{ 
+    FILTER (?v = 2)
+    ?s :p ?v . 
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-2.srx">data-r2/algebra/filter-placement-2.srx</a></p>
+<hr/>
+<h2><a name="filter-place-3">Filter-placement - 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTERs are scoped to the nearest enclosing group - placement within that group does not matter</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-2.ttl">data-r2/algebra/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+:x :p &quot;4&quot;^^xsd:integer .
+
+:x :q &quot;1&quot;^^xsd:integer .
+:x :q &quot;2&quot;^^xsd:integer .
+:x :q &quot;3&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-3.rq">data-r2/algebra/filter-placement-3.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt;
+
+SELECT ?v ?w
+{ 
+    FILTER (?v = 2)
+    FILTER (?w = 3)
+    ?s :p ?v . 
+    ?s :q ?w .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-placement-3.srx">data-r2/algebra/filter-placement-3.srx</a></p>
+<hr/>
+<h2><a name="filter-scope-1">Filter-scope - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTERs in an OPTIONAL do not extend to variables bound outside of the LeftJoin(...) operation</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/data-2.ttl">data-r2/algebra/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+:x :p &quot;4&quot;^^xsd:integer .
+
+:x :q &quot;1&quot;^^xsd:integer .
+:x :q &quot;2&quot;^^xsd:integer .
+:x :q &quot;3&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-scope-1.rq">data-r2/algebra/filter-scope-1.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT *
+{ 
+    :x :p ?v . 
+    { :x :q ?w 
+      OPTIONAL {  :x :p ?v2 FILTER(?v = 1) }
+    }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/filter-scope-1.srx">data-r2/algebra/filter-scope-1.srx</a></p>
+<hr/>
+<h2><a name="join-combo-1">Join operator with OPTs, BGPs, and UNIONs</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Tests nested combination of Join with a BGP / OPT and a BGP / UNION</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-graph-2.ttl">data-r2/algebra/join-combo-graph-2.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix   rdf:      &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x1 :r &quot;4&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x2 :r &quot;10&quot;^^xsd:integer .
+:x2 :x &quot;1&quot;^^xsd:integer .
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+:x3 :s &quot;1&quot;^^xsd:integer .
+:x3 :t :s .
+:p a rdf:Property .
+:x1 :z :p .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-1.rq">data-r2/algebra/join-combo-1.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT ?a ?y ?d ?z
+{ 
+    ?a :p ?c OPTIONAL { ?a :r ?d }. 
+    ?a ?p 1 { ?p a ?y } UNION { ?a ?z ?p } 
+}
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-1.srx">data-r2/algebra/join-combo-1.srx</a></p>
+<hr/>
+<h2><a name="join-combo-2">Join operator with Graph and Union</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Tests combination of Join operator with Graph on LHS and Union on RHS</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-graph-2.ttl">data-r2/algebra/join-combo-graph-2.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix   rdf:      &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x1 :r &quot;4&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x2 :r &quot;10&quot;^^xsd:integer .
+:x2 :x &quot;1&quot;^^xsd:integer .
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+:x3 :s &quot;1&quot;^^xsd:integer .
+:x3 :t :s .
+:p a rdf:Property .
+:x1 :z :p .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-graph-1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-graph-1.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix   rdf:      &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x1 :r &quot;4&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x2 :r &quot;10&quot;^^xsd:integer .
+:x2 :x &quot;1&quot;^^xsd:integer .
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+:x3 :s &quot;1&quot;^^xsd:integer .
+:x3 :t :s .
+:p a rdf:Property .
+:x1 :z :p .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-2.rq">data-r2/algebra/join-combo-2.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT ?x ?y ?z
+{ 
+    GRAPH ?g { ?x ?p 1 } { ?x :p ?y } UNION { ?p a ?z }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/join-combo-2.srx">data-r2/algebra/join-combo-2.srx</a></p>
+<hr/>
+<h2><a name="join-scope-1">Join scope - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Variables have query scope.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/var-scope-join-1.ttl">data-r2/algebra/var-scope-join-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+
+_:B1 :name &quot;paul&quot; .
+_:B1 :phone &quot;777-3426&quot;. 
+
+_:B2 :name &quot;john&quot; . 
+_:B2 :email &lt;mailto:john@acd.edu&gt; .
+
+_:B3 :name &quot;george&quot;. 
+_:B3 :webPage &lt;http://www.george.edu/&gt; .
+
+_:B4 :name &quot;ringo&quot;. 
+_:B4 :email &lt;mailto:ringo@acd.edu&gt; .
+_:B4 :webPage &lt;http://www.starr.edu/&gt; .
+_:B4 :phone &quot;888-4537&quot;.
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/var-scope-join-1.rq">data-r2/algebra/var-scope-join-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt;
+
+SELECT *
+{ 
+  ?X  :name &quot;paul&quot;
+  {?Y :name &quot;george&quot; . OPTIONAL { ?X :email ?Z } }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/var-scope-join-1.srx">data-r2/algebra/var-scope-join-1.srx</a></p>
+<hr/>
+<h2><a name="nested-opt-1">Nested Optionals - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Nested-optionals with a shared variable that does not appear in the middle pattern (a not well-formed query pattern as per "Semantics and Complexity" of SPARQL</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt.ttl">data-r2/algebra/two-nested-opt.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt.rq">data-r2/algebra/two-nested-opt.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT *
+{ 
+    :x1 :p ?v .
+    OPTIONAL
+    {
+      :x3 :q ?w .
+      OPTIONAL { :x2 :p ?v }
+    }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt.srx">data-r2/algebra/two-nested-opt.srx</a></p>
+<hr/>
+<h2><a name="nested-opt-2">Nested Optionals - 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>OPTIONALs parse in a left-associative manner</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt.ttl">data-r2/algebra/two-nested-opt.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt-alt.rq">data-r2/algebra/two-nested-opt-alt.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+## The nested optional example, rewritten to a form that is the same
+## for the SPARQL algebra and the declarative semantics.
+SELECT *
+{ 
+    :x1 :p ?v .
+    OPTIONAL { :x3 :q ?w }
+    OPTIONAL { :x3 :q ?w  . :x2 :p ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/two-nested-opt-alt.srx">data-r2/algebra/two-nested-opt-alt.srx</a></p>
+<hr/>
+<h2><a name="opt-filter-1">Optional-filter - 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>A FILTER inside an OPTIONAL can reference a variable bound in the required part of the OPTIONAL</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-1.ttl">data-r2/algebra/opt-filter-1.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+ 
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-1.rq">data-r2/algebra/opt-filter-1.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT *
+{ 
+  ?x :p ?v .
+  OPTIONAL
+  { 
+    ?y :q ?w .
+    FILTER(?v=2)
+  }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-1.srx">data-r2/algebra/opt-filter-1.srx</a></p>
+<hr/>
+<h2><a name="opt-filter-2">Optional-filter - 2 filters</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTERs inside an OPTIONAL can refer to variables from both the required and optional parts of the construct.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-2.ttl">data-r2/algebra/opt-filter-2.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+ 
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-2.rq">data-r2/algebra/opt-filter-2.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT *
+{ 
+  ?x :p ?v .
+  OPTIONAL
+  { 
+    ?y :q ?w .
+    FILTER(?v=2)
+    FILTER(?w=3)
+  }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-2.srx">data-r2/algebra/opt-filter-2.srx</a></p>
+<hr/>
+<h2><a name="opt-filter-3">Optional-filter - scope of variable</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>FILTERs in an OPTIONAL do not extend to variables bound outside of the LeftJoin(...) operation</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-3.ttl">data-r2/algebra/opt-filter-3.ttl</a></p>
+<div class="query">
+@prefix   :         &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+
+:x3 :q &quot;3&quot;^^xsd:integer .
+:x3 :q &quot;4&quot;^^xsd:integer .
+ 
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-3.rq">data-r2/algebra/opt-filter-3.rq</a><br/>
+<div class="query">
+PREFIX :    &lt;http://example/&gt;
+
+SELECT *
+{ 
+    :x :p ?v . 
+    { :x :q ?w 
+      # ?v is not in scope so ?v2 never set
+      OPTIONAL {  :x :p ?v2 FILTER(?v = 1) }
+    }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/algebra/opt-filter-3.srx">data-r2/algebra/opt-filter-3.srx</a></p>
+<hr/>
+<h2><a name="ask-1">ASK-1 (SPARQL XML results)</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/data.ttl">data-r2/ask/data.ttl</a></p>
+<div class="query">
+@prefix :   &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+
+:y :p :a .
+:a :q :r .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-1.rq">data-r2/ask/ask-1.rq</a><br/>
+<div class="query">
+PREFIX :   &lt;http://example/&gt;
+
+ASK { :x :p 1 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-1.srx">data-r2/ask/ask-1.srx</a></p>
+<hr/>
+<h2><a name="ask-4">ASK-4 (SPARQL XML results)</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/data.ttl">data-r2/ask/data.ttl</a></p>
+<div class="query">
+@prefix :   &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+
+:y :p :a .
+:a :q :r .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-4.rq">data-r2/ask/ask-4.rq</a><br/>
+<div class="query">
+PREFIX :   &lt;http://example/&gt;
+
+ASK { :x :p 99 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-4.srx">data-r2/ask/ask-4.srx</a></p>
+<hr/>
+<h2><a name="ask-7">ASK-7 (SPARQL XML results)</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/data.ttl">data-r2/ask/data.ttl</a></p>
+<div class="query">
+@prefix :   &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+
+:y :p :a .
+:a :q :r .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-7.rq">data-r2/ask/ask-7.rq</a><br/>
+<div class="query">
+PREFIX :   &lt;http://example/&gt;
+
+ASK { :x :p ?x }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-7.srx">data-r2/ask/ask-7.srx</a></p>
+<hr/>
+<h2><a name="ask-8">ASK-8 (SPARQL XML results)</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/data.ttl">data-r2/ask/data.ttl</a></p>
+<div class="query">
+@prefix :   &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:x :p &quot;2&quot;^^xsd:integer .
+:x :p &quot;3&quot;^^xsd:integer .
+
+:y :p :a .
+:a :q :r .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-8.rq">data-r2/ask/ask-8.rq</a><br/>
+<div class="query">
+PREFIX :   &lt;http://example/&gt;
+
+ASK { :x :p ?x . FILTER(?x = 99) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/ask/ask-8.srx">data-r2/ask/ask-8.srx</a></p>
+<hr/>
+<h2><a name="base-prefix-1">Basic - Prefix/Base 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-1.ttl">data-r2/basic/data-1.ttl</a></p>
+<div class="query">
+@prefix ns: &lt;http://example.org/ns#&gt; .
+@prefix x:  &lt;http://example.org/x/&gt; .
+@prefix z:  &lt;http://example.org/x/#&gt; .
+
+x:x ns:p  &quot;d:x ns:p&quot; .
+x:x x:p   &quot;x:x x:p&quot; .
+
+z:x z:p   &quot;z:x z:p&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-1.rq">data-r2/basic/base-prefix-1.rq</a><br/>
+<div class="query">
+BASE &lt;http://example.org/x/&gt; 
+PREFIX : &lt;&gt;
+
+SELECT * WHERE { :x ?p ?v } 
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-1.srx">data-r2/basic/base-prefix-1.srx</a></p>
+<hr/>
+<h2><a name="base-prefix-2">Basic - Prefix/Base 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-1.ttl">data-r2/basic/data-1.ttl</a></p>
+<div class="query">
+@prefix ns: &lt;http://example.org/ns#&gt; .
+@prefix x:  &lt;http://example.org/x/&gt; .
+@prefix z:  &lt;http://example.org/x/#&gt; .
+
+x:x ns:p  &quot;d:x ns:p&quot; .
+x:x x:p   &quot;x:x x:p&quot; .
+
+z:x z:p   &quot;z:x z:p&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-2.rq">data-r2/basic/base-prefix-2.rq</a><br/>
+<div class="query">
+BASE &lt;http://example.org/x/&gt; 
+PREFIX : &lt;#&gt;
+
+SELECT * WHERE { :x ?p ?v } 
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-2.srx">data-r2/basic/base-prefix-2.srx</a></p>
+<hr/>
+<h2><a name="base-prefix-3">Basic - Prefix/Base 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-1.ttl">data-r2/basic/data-1.ttl</a></p>
+<div class="query">
+@prefix ns: &lt;http://example.org/ns#&gt; .
+@prefix x:  &lt;http://example.org/x/&gt; .
+@prefix z:  &lt;http://example.org/x/#&gt; .
+
+x:x ns:p  &quot;d:x ns:p&quot; .
+x:x x:p   &quot;x:x x:p&quot; .
+
+z:x z:p   &quot;z:x z:p&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-3.rq">data-r2/basic/base-prefix-3.rq</a><br/>
+<div class="query">
+PREFIX ns: &lt;http://example.org/ns#&gt;
+PREFIX x:  &lt;http://example.org/x/&gt;
+
+SELECT * WHERE { x:x ns:p ?v } 
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-3.srx">data-r2/basic/base-prefix-3.srx</a></p>
+<hr/>
+<h2><a name="base-prefix-4">Basic - Prefix/Base 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-1.ttl">data-r2/basic/data-1.ttl</a></p>
+<div class="query">
+@prefix ns: &lt;http://example.org/ns#&gt; .
+@prefix x:  &lt;http://example.org/x/&gt; .
+@prefix z:  &lt;http://example.org/x/#&gt; .
+
+x:x ns:p  &quot;d:x ns:p&quot; .
+x:x x:p   &quot;x:x x:p&quot; .
+
+z:x z:p   &quot;z:x z:p&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-4.rq">data-r2/basic/base-prefix-4.rq</a><br/>
+<div class="query">
+BASE &lt;http://example.org/x/&gt;
+
+SELECT * WHERE { &lt;x&gt; &lt;p&gt; ?v } 
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-4.srx">data-r2/basic/base-prefix-4.srx</a></p>
+<hr/>
+<h2><a name="base-prefix-5">Basic - Prefix/Base 5</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-1.ttl">data-r2/basic/data-1.ttl</a></p>
+<div class="query">
+@prefix ns: &lt;http://example.org/ns#&gt; .
+@prefix x:  &lt;http://example.org/x/&gt; .
+@prefix z:  &lt;http://example.org/x/#&gt; .
+
+x:x ns:p  &quot;d:x ns:p&quot; .
+x:x x:p   &quot;x:x x:p&quot; .
+
+z:x z:p   &quot;z:x z:p&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-5.rq">data-r2/basic/base-prefix-5.rq</a><br/>
+<div class="query">
+BASE &lt;http://example.org/x/&gt;
+
+SELECT * WHERE { &lt;#x&gt; &lt;#p&gt; ?v } 
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/base-prefix-5.srx">data-r2/basic/base-prefix-5.srx</a></p>
+<hr/>
+<h2><a name="bgp-no-match">Non-matching triple pattern</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>Patterns not in data don't match</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-7.ttl">data-r2/basic/data-7.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+:john a foaf:Person ;
+   foaf:name &quot;John Smith&quot; .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/bgp-no-match.rq">data-r2/basic/bgp-no-match.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX foaf: &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?x
+WHERE {
+  ?x foaf:name &quot;John Smith&quot; ;
+       a foaf:Womble .
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/bgp-no-match.srx">data-r2/basic/bgp-no-match.srx</a></p>
+<hr/>
+<h2><a name="list-1">Basic - List 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-2.ttl">data-r2/basic/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+:x :list0 () .
+:x :list1 (&quot;1&quot;^^xsd:integer) .
+:x :list2 (&quot;11&quot;^^xsd:integer &quot;22&quot;^^xsd:integer) .
+:x :list3 (&quot;111&quot;^^xsd:integer &quot;222&quot;^^xsd:integer &quot;333&quot;^^xsd:integer) .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-1.rq">data-r2/basic/list-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?p
+{ :x ?p () . }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-1.srx">data-r2/basic/list-1.srx</a></p>
+<hr/>
+<h2><a name="list-2">Basic - List 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-2.ttl">data-r2/basic/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+:x :list0 () .
+:x :list1 (&quot;1&quot;^^xsd:integer) .
+:x :list2 (&quot;11&quot;^^xsd:integer &quot;22&quot;^^xsd:integer) .
+:x :list3 (&quot;111&quot;^^xsd:integer &quot;222&quot;^^xsd:integer &quot;333&quot;^^xsd:integer) .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-2.rq">data-r2/basic/list-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?p
+{ :x ?p (1) . }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-2.srx">data-r2/basic/list-2.srx</a></p>
+<hr/>
+<h2><a name="list-3">Basic - List 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-2.ttl">data-r2/basic/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+:x :list0 () .
+:x :list1 (&quot;1&quot;^^xsd:integer) .
+:x :list2 (&quot;11&quot;^^xsd:integer &quot;22&quot;^^xsd:integer) .
+:x :list3 (&quot;111&quot;^^xsd:integer &quot;222&quot;^^xsd:integer &quot;333&quot;^^xsd:integer) .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-3.rq">data-r2/basic/list-3.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?p ?v
+{ :x ?p (?v) . }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-3.srx">data-r2/basic/list-3.srx</a></p>
+<hr/>
+<h2><a name="list-4">Basic - List 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-2.ttl">data-r2/basic/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+:x :list0 () .
+:x :list1 (&quot;1&quot;^^xsd:integer) .
+:x :list2 (&quot;11&quot;^^xsd:integer &quot;22&quot;^^xsd:integer) .
+:x :list3 (&quot;111&quot;^^xsd:integer &quot;222&quot;^^xsd:integer &quot;333&quot;^^xsd:integer) .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-4.rq">data-r2/basic/list-4.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?p ?v ?w
+{ :x ?p (?v ?w) . }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/list-4.srx">data-r2/basic/list-4.srx</a></p>
+<hr/>
+<h2><a name="prefix-name-1">Prefix name 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>No local name - foo:</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-6.ttl">data-r2/basic/data-6.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p1 &quot;1&quot;^^xsd:integer .
+:x :p1 &quot;2&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/prefix-name-1.rq">data-r2/basic/prefix-name-1.rq</a><br/>
+<div class="query">
+PREFIX ex: &lt;http://example.org/ns#x&gt; 
+SELECT ?p {
+  ex: ?p 1 .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/prefix-name-1.srx">data-r2/basic/prefix-name-1.srx</a></p>
+<hr/>
+<h2><a name="quotes-1">Basic - Quotes 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-3.ttl">data-r2/basic/data-3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+
+# This file uses UNIX line end conventions.
+
+:x1 :p1 &quot;x&quot; .
+:x2 :p2 &quot;&quot;&quot;x
+y&quot;&quot;&quot; .
+
+:x3 :p3 &quot;&quot;&quot;x
+y&quot;&quot;&quot;^^:someType .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-1.rq">data-r2/basic/quotes-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?x
+{ ?x ?p &#39;&#39;&#39;x&#39;&#39;&#39; }
+
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-1.srx">data-r2/basic/quotes-1.srx</a></p>
+<hr/>
+<h2><a name="quotes-2">Basic - Quotes 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-3.ttl">data-r2/basic/data-3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+
+# This file uses UNIX line end conventions.
+
+:x1 :p1 &quot;x&quot; .
+:x2 :p2 &quot;&quot;&quot;x
+y&quot;&quot;&quot; .
+
+:x3 :p3 &quot;&quot;&quot;x
+y&quot;&quot;&quot;^^:someType .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-2.rq">data-r2/basic/quotes-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?x
+{ ?x ?p &quot;&quot;&quot;x&quot;&quot;&quot; }
+
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-2.srx">data-r2/basic/quotes-2.srx</a></p>
+<hr/>
+<h2><a name="quotes-3">Basic - Quotes 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-3.ttl">data-r2/basic/data-3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+
+# This file uses UNIX line end conventions.
+
+:x1 :p1 &quot;x&quot; .
+:x2 :p2 &quot;&quot;&quot;x
+y&quot;&quot;&quot; .
+
+:x3 :p3 &quot;&quot;&quot;x
+y&quot;&quot;&quot;^^:someType .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-3.rq">data-r2/basic/quotes-3.rq</a><br/>
+<div class="query">
+# This query uses UNIX line end conventions.
+# It is in CVS in binary.
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?x
+{ ?x ?p &#39;&#39;&#39;x
+y&#39;&#39;&#39;
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-3.srx">data-r2/basic/quotes-3.srx</a></p>
+<hr/>
+<h2><a name="quotes-4">Basic - Quotes 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-3.ttl">data-r2/basic/data-3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+
+# This file uses UNIX line end conventions.
+
+:x1 :p1 &quot;x&quot; .
+:x2 :p2 &quot;&quot;&quot;x
+y&quot;&quot;&quot; .
+
+:x3 :p3 &quot;&quot;&quot;x
+y&quot;&quot;&quot;^^:someType .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-4.rq">data-r2/basic/quotes-4.rq</a><br/>
+<div class="query">
+# This query uses UNIX line end conventions.
+# It is in CVS in binary.
+PREFIX : &lt;http://example.org/ns#&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; 
+
+SELECT ?x
+{ ?x ?p &quot;&quot;&quot;x
+y&quot;&quot;&quot;^^:someType
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/quotes-4.srx">data-r2/basic/quotes-4.srx</a></p>
+<hr/>
+<h2><a name="spoo-1">Basic graph pattern - spoo</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+<p>Test the :x :y :o1, :o2 construct</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-6.ttl">data-r2/basic/data-6.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p1 &quot;1&quot;^^xsd:integer .
+:x :p1 &quot;2&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/spoo-1.rq">data-r2/basic/spoo-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt; 
+PREFIX xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; 
+
+SELECT ?s WHERE {
+ ?s :p1 1, 2 .
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/spoo-1.srx">data-r2/basic/spoo-1.srx</a></p>
+<hr/>
+<h2><a name="term-1">Basic - Term 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-1.rq">data-r2/basic/term-1.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p true . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-1.srx">data-r2/basic/term-1.srx</a></p>
+<hr/>
+<h2><a name="term-2">Basic - Term 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-2.rq">data-r2/basic/term-2.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p false }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-2.srx">data-r2/basic/term-2.srx</a></p>
+<hr/>
+<h2><a name="term-3">Basic - Term 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-3.rq">data-r2/basic/term-3.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x a ?C . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-3.srx">data-r2/basic/term-3.srx</a></p>
+<hr/>
+<h2><a name="term-4">Basic - Term 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-4.rq">data-r2/basic/term-4.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p 123.0 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-4.srx">data-r2/basic/term-4.srx</a></p>
+<hr/>
+<h2><a name="term-5">Basic - Term 5</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-5.rq">data-r2/basic/term-5.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p 123.0. }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-5.srx">data-r2/basic/term-5.srx</a></p>
+<hr/>
+<h2><a name="term-6">Basic - Term 6</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-6.rq">data-r2/basic/term-6.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+# DOT is part of the decimal.
+SELECT * { :x ?p 456. }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-6.srx">data-r2/basic/term-6.srx</a></p>
+<hr/>
+<h2><a name="term-7">Basic - Term 7</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-7.rq">data-r2/basic/term-7.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+# DOT is part of the decimal.
+SELECT * { :x ?p 456. . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-7.srx">data-r2/basic/term-7.srx</a></p>
+<hr/>
+<h2><a name="term-8">Basic - Term 8</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-8.rq">data-r2/basic/term-8.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+# DOT is part of the decimal.
+SELECT * { :x ?p +5 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-8.srx">data-r2/basic/term-8.srx</a></p>
+<hr/>
+<h2><a name="term-9">Basic - Term 9</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-4.ttl">data-r2/basic/data-4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+
+:x :p1 &quot;true&quot;^^xsd:boolean .
+:x :p2 &quot;false&quot;^^xsd:boolean .
+
+:x rdf:type :C .
+
+:x :n1  &quot;123.0&quot;^^xsd:decimal .
+:x :n2  &quot;456.&quot;^^xsd:decimal .
+
+:x :n3 &quot;+5&quot;^^xsd:integer .
+:x :n4 &quot;-18&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-9.rq">data-r2/basic/term-9.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+# DOT is part of the decimal.
+SELECT * { :x ?p -18 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/term-9.srx">data-r2/basic/term-9.srx</a></p>
+<hr/>
+<h2><a name="var-1">Basic - Var 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-5.ttl">data-r2/basic/data-5.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p1 &quot;1&quot;^^xsd:integer .
+:x :p2 &quot;2&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/var-1.rq">data-r2/basic/var-1.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p $v }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/var-1.srx">data-r2/basic/var-1.srx</a></p>
+<hr/>
+<h2><a name="var-2">Basic - Var 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/data-5.ttl">data-r2/basic/data-5.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p1 &quot;1&quot;^^xsd:integer .
+:x :p2 &quot;2&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/var-2.rq">data-r2/basic/var-2.rq</a><br/>
+<div class="query">
+PREFIX :     &lt;http://example.org/ns#&gt;
+PREFIX xsd:  &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT * { :x ?p $v . :x ?p ?v }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/basic/var-2.srx">data-r2/basic/var-2.srx</a></p>
+<hr/>
+<h2><a name="dawg-bnode-coref-001">dawg-bnode-coreference</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>Query results must maintain bnode co-references in the dataset</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bnode-coreference/data.ttl">data-r2/bnode-coreference/data.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@work&gt; ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+
+_:eve
+    rdf:type      foaf:Person ;
+    foaf:name     &quot;Eve&quot; ; 
+    foaf:knows    _:fred ;
+    .
+
+_:fred
+    rdf:type      foaf:Person ;
+    foaf:mbox     &lt;mailto:fred@edu&gt; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bnode-coreference/query.rq">data-r2/bnode-coreference/query.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+SELECT ?x ?y
+WHERE {
+  ?x foaf:knows ?y .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bnode-coreference/result.ttl">data-r2/bnode-coreference/result.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-1">Test 'boolean effective value' - true</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Non-zero numerics, non-empty strings, and the true boolean have an EBV of true</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-1.ttl">data-r2/boolean-effective-value/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-1.rq">data-r2/boolean-effective-value/query-bev-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a
+WHERE
+    { ?a :p ?v . 
+      FILTER (?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-1.ttl">data-r2/boolean-effective-value/result-bev-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-2">Test 'boolean effective value' - false</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Zero-valued numerics, the empty string, and the false boolean have an EBV of false</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-1.ttl">data-r2/boolean-effective-value/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-2.rq">data-r2/boolean-effective-value/query-bev-2.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a
+WHERE
+    { ?a :p ?v . 
+      FILTER ( ! ?v ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-2.ttl">data-r2/boolean-effective-value/result-bev-2.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-3">Test 'boolean effective value' - &&</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>The && operator takes the EBV of its operands</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-1.ttl">data-r2/boolean-effective-value/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-3.rq">data-r2/boolean-effective-value/query-bev-3.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a
+WHERE
+    { ?a :p ?v . 
+      FILTER (&quot;true&quot;^^xsd:boolean &amp;&amp; ?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-3.ttl">data-r2/boolean-effective-value/result-bev-3.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-4">Test 'boolean effective value' - ||</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>The || operator takes the EBV of its operands</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-1.ttl">data-r2/boolean-effective-value/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-4.rq">data-r2/boolean-effective-value/query-bev-4.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a
+WHERE
+    { ?a :p ?v . 
+      FILTER (&quot;false&quot;^^xsd:boolean || ?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-4.ttl">data-r2/boolean-effective-value/result-bev-4.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-5">Test 'boolean effective value' - optional</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>The EBV of an unbound value  or a literal with an unknown datatype is a type error, which eliminates the solution in question</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-2.ttl">data-r2/boolean-effective-value/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+# Optionals
+:x1 :q    &quot;true&quot;^^xsd:boolean .
+:x2 :q    &quot;false&quot;^^xsd:boolean .
+:x3 :q    &quot;foo&quot;^^:unknown .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-5.rq">data-r2/boolean-effective-value/query-bev-5.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a
+WHERE
+    { ?a :p ?v . 
+      OPTIONAL
+        { ?a :q ?w } . 
+      FILTER (?w) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-5.ttl">data-r2/boolean-effective-value/result-bev-5.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bev-6">Test 'boolean effective value' - unknown types</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Negating a type error is still a type error</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-2.ttl">data-r2/boolean-effective-value/data-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+# Optionals
+:x1 :q    &quot;true&quot;^^xsd:boolean .
+:x2 :q    &quot;false&quot;^^xsd:boolean .
+:x3 :q    &quot;foo&quot;^^:unknown .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-bev-6.rq">data-r2/boolean-effective-value/query-bev-6.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a ?w
+WHERE
+    { ?a :p ?v . 
+      OPTIONAL
+        { ?a :q ?w } . 
+      FILTER ( ! ?w ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-bev-6.ttl">data-r2/boolean-effective-value/result-bev-6.ttl</a></p>
+<hr/>
+<h2><a name="dawg-boolean-literal">Test literal 'true'</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/data-1.ttl">data-r2/boolean-effective-value/data-1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+# These object values are true by the boolean effective value rule.
+:x1 :p    &quot;1&quot;^^xsd:integer .
+:x2 :p    &quot;foo&quot; .
+:x3 :p    &quot;0.01&quot;^^xsd:double .
+:x4 :p    &quot;true&quot;^^xsd:boolean .
+
+# These are false
+:y1 :p    &quot;0&quot;^^xsd:integer .
+:y2 :p    &quot;0.0&quot;^^xsd:double .
+:y3 :p    &quot;&quot; .
+:y4 :p    &quot;false&quot;^^xsd:boolean .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/query-boolean-literal.rq">data-r2/boolean-effective-value/query-boolean-literal.rq</a><br/>
+<div class="query">
+prefix : &lt;http://example.org/ns#&gt;
+select ?x where {
+    ?x :p &quot;foo&quot; .
+    FILTER (true) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/boolean-effective-value/result-boolean-literal.ttl">data-r2/boolean-effective-value/result-boolean-literal.ttl</a></p>
+<hr/>
+<h2><a name="dawg-bound-query-001">dawg-bound-query-001</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>BOUND test case.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bound/data.ttl">data-r2/bound/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/ns#&gt; .
+:a1 :b :c1 . 
+:c1 :d :e . 
+:a2 :b :c2 .
+:c2 :b :f .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bound/bound1.rq">data-r2/bound/bound1.rq</a><br/>
+<div class="query">
+PREFIX  : &lt;http://example.org/ns#&gt;
+SELECT  ?a ?c
+WHERE
+    { ?a :b ?c . 
+      OPTIONAL
+        { ?c :d ?e } . 
+      FILTER (! bound(?e)) 
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/bound/bound1-result.ttl">data-r2/bound/bound1-result.ttl</a></p>
+<hr/>
+<h2><a name="cast-bool">Cast to xsd:boolean</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-bool.rq">data-r2/cast/cast-bool.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:boolean(?v)) = xsd:boolean) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-bool.srx">data-r2/cast/cast-bool.srx</a></p>
+<hr/>
+<h2><a name="cast-dT">Cast to xsd:dateTime</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dT.rq">data-r2/cast/cast-dT.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:dateTime(?v)) = xsd:dateTime) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dT.srx">data-r2/cast/cast-dT.srx</a></p>
+<hr/>
+<h2><a name="cast-dbl">Cast to xsd:double</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dbl.rq">data-r2/cast/cast-dbl.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:double(?v)) = xsd:double) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dbl.srx">data-r2/cast/cast-dbl.srx</a></p>
+<hr/>
+<h2><a name="cast-dec">Cast to xsd:decimal</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dec.rq">data-r2/cast/cast-dec.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:decimal(?v)) = xsd:decimal) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-dec.srx">data-r2/cast/cast-dec.srx</a></p>
+<hr/>
+<h2><a name="cast-flt">Cast to xsd:float</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-flt.rq">data-r2/cast/cast-flt.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:float(?v)) = xsd:float) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-flt.srx">data-r2/cast/cast-flt.srx</a></p>
+<hr/>
+<h2><a name="cast-int">Cast to xsd:integer</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-int.rq">data-r2/cast/cast-int.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:integer(?v)) = xsd:integer) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-int.srx">data-r2/cast/cast-int.srx</a></p>
+<hr/>
+<h2><a name="cast-str">Cast to xsd:string</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/data.ttl">data-r2/cast/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:iri :p :z .
+:str :p &quot;string&quot; .
+:fltdbl :p &quot;-10.2E3&quot; .
+:decimal :p &quot;+33.3300&quot; .
+:int :p &quot;13&quot; .
+:dT :p &quot;2002-10-10T17:00:00Z&quot; .
+:bool :p &quot;true&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-str.rq">data-r2/cast/cast-str.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+    ?s :p ?v .
+    FILTER(datatype(xsd:string(?v)) = xsd:string) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/cast/cast-str.srx">data-r2/cast/cast-str.srx</a></p>
+<hr/>
+<h2><a name="construct-1">dawg-construct-identity</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Graph equivalent result graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/data-ident.ttl">data-r2/construct/data-ident.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@work&gt; ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/query-ident.rq">data-r2/construct/query-ident.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+CONSTRUCT { ?s ?p ?o . }
+WHERE {
+  ?s ?p ?o .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/result-ident.ttl">data-r2/construct/result-ident.ttl</a></p>
+<hr/>
+<h2><a name="construct-2">dawg-construct-subgraph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Result subgraph of original graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/data-ident.ttl">data-r2/construct/data-ident.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@work&gt; ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/query-subgraph.rq">data-r2/construct/query-subgraph.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+CONSTRUCT { ?s foaf:name ?o . }
+WHERE {
+  ?s foaf:name ?o .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/result-subgraph.ttl">data-r2/construct/result-subgraph.ttl</a></p>
+<hr/>
+<h2><a name="construct-3">dawg-construct-reification-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Reification of the default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/data-reif.ttl">data-r2/construct/data-reif.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/query-reif-1.rq">data-r2/construct/query-reif-1.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+CONSTRUCT { [ rdf:subject ?s ;
+              rdf:predicate ?p ;
+              rdf:object ?o ] . }
+WHERE {
+  ?s ?p ?o .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/result-reif.ttl">data-r2/construct/result-reif.ttl</a></p>
+<hr/>
+<h2><a name="construct-4">dawg-construct-reification-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Reification of the default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/data-reif.ttl">data-r2/construct/data-reif.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/query-reif-2.rq">data-r2/construct/query-reif-2.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+CONSTRUCT { _:a rdf:subject ?s ;
+                rdf:predicate ?p ;
+                rdf:object ?o  . }
+WHERE {
+  ?s ?p ?o .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/result-reif.ttl">data-r2/construct/result-reif.ttl</a></p>
+<hr/>
+<h2><a name="construct-5">dawg-construct-optional</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Reification of the default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/data-opt.ttl">data-r2/construct/data-opt.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p :a .
+:x :p :b .
+:x :p :c .
+:x :p &quot;1&quot;^^xsd:integer .
+
+:a :q &quot;2&quot;^^xsd:integer .
+:a :r &quot;2&quot;^^xsd:integer .
+
+:b :q &quot;2&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/query-construct-optional.rq">data-r2/construct/query-construct-optional.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+CONSTRUCT { ?x :p2 ?v }
+
+WHERE
+{
+  ?x :p ?o .
+  OPTIONAL {?o :q ?v }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/construct/result-construct-optional.ttl">data-r2/construct/result-construct-optional.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-01">dataset-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default dataset / Query: default dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-01.rq">data-r2/dataset/dataset-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+{ ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-01.ttl">data-r2/dataset/dataset-01.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-02">dataset-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named dataset / Query: default dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-02.rq">data-r2/dataset/dataset-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT *
+FROM NAMED &lt;data-g1.ttl&gt;
+{ ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-02.ttl">data-r2/dataset/dataset-02.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-03">dataset-03</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named dataset / Query: named dataset dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-03.rq">data-r2/dataset/dataset-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM NAMED &lt;data-g1.ttl&gt;
+{ 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-03.ttl">data-r2/dataset/dataset-03.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-04">dataset-04</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named dataset / Query: default dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-04.rq">data-r2/dataset/dataset-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+{ 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-04.ttl">data-r2/dataset/dataset-04.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-05">dataset-05</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: default dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-05.rq">data-r2/dataset/dataset-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+{ ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-05.ttl">data-r2/dataset/dataset-05.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-06">dataset-06</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: named dataset</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-06.rq">data-r2/dataset/dataset-06.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+{ 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-06.ttl">data-r2/dataset/dataset-06.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-07">dataset-07</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: all data by UNION</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-07.rq">data-r2/dataset/dataset-07.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-07.ttl">data-r2/dataset/dataset-07.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-08">dataset-08</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: common subjects</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-08.rq">data-r2/dataset/dataset-08.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-08.ttl">data-r2/dataset/dataset-08.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-09">dataset-09</a></h2>
+Query evaluation test
+
+<p>Data: default and named (bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-09.rq">data-r2/dataset/dataset-09.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g3.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-09.ttl">data-r2/dataset/dataset-09.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-09b">dataset-09b</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/10/09-dawg-minutes.html">http://www.w3.org/2007/10/09-dawg-minutes.html</a></div>
+<p>Data: default and named (bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-09b.rq">data-r2/dataset/dataset-09b.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g3-dup.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-09.ttl">data-r2/dataset/dataset-09.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-10">dataset-10</a></h2>
+Query evaluation test
+
+<p>Data: default and named (same data, with bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-10.rq">data-r2/dataset/dataset-10.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g3.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-10.ttl">data-r2/dataset/dataset-10.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-10b">dataset-10b</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/10/09-dawg-minutes.html">http://www.w3.org/2007/10/09-dawg-minutes.html</a></div>
+<p>Data: default and named (same data, with bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-10b.rq">data-r2/dataset/dataset-10b.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g3-dup.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-10.ttl">data-r2/dataset/dataset-10.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-11">dataset-11</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>Data: default and named (several) / Query: get everything</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-11.rq">data-r2/dataset/dataset-11.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;
+FROM NAMED &lt;data-g4.ttl&gt;
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-11.ttl">data-r2/dataset/dataset-11.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-12">dataset-12</a></h2>
+Query evaluation test
+
+<p>Data: default (several) and named (several) / Query: get everything</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-12.rq">data-r2/dataset/dataset-12.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1.ttl&gt;
+FROM &lt;data-g2.ttl&gt;
+FROM &lt;data-g3.ttl&gt;
+FROM &lt;data-g4.ttl&gt;
+FROM NAMED &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;
+FROM NAMED &lt;data-g4.ttl&gt;
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-12.ttl">data-r2/dataset/dataset-12.ttl</a></p>
+<hr/>
+<h2><a name="dawg-dataset-12b">dataset-12b</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/10/09-dawg-minutes.html">http://www.w3.org/2007/10/09-dawg-minutes.html</a></div>
+<p>Data: default (several) and named (several) / Query: get everything</p>
+<h3>Default Graph</h3>
+
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-12b.rq">data-r2/dataset/dataset-12b.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+FROM &lt;data-g1-dup.ttl&gt;
+FROM &lt;data-g2-dup.ttl&gt;
+FROM &lt;data-g3-dup.ttl&gt;
+FROM &lt;data-g4-dup.ttl&gt;
+FROM NAMED &lt;data-g1.ttl&gt;
+FROM NAMED &lt;data-g2.ttl&gt;
+FROM NAMED &lt;data-g3.ttl&gt;
+FROM NAMED &lt;data-g4.ttl&gt;
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/dataset/dataset-12.ttl">data-r2/dataset/dataset-12.ttl</a></p>
+<hr/>
+<h2><a name="distinct-1">Numbers: Distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-num.ttl">data-r2/distinct/data-num.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 &quot;1&quot;^^xsd:integer .
+:x1 :p2 &quot;1&quot;^^xsd:integer .
+
+:x2 :p1 &quot;1&quot;^^xsd:integer .
+:x2 :p2 &quot;1&quot;^^xsd:integer .
+
+:x3 :p1 &quot;01&quot;^^xsd:integer .
+:x3 :p2 &quot;01&quot;^^xsd:integer .
+
+:x4 :p1 &quot;+1&quot;^^xsd:integer .
+:x4 :p2 &quot;+1&quot;^^xsd:integer .
+
+:y1 :p1 &quot;1.0&quot;^^xsd:decimal .
+:y1 :p2 &quot;1.0&quot;^^xsd:decimal .
+
+:y2 :p1 &quot;+1.0&quot;^^xsd:decimal .
+:y2 :p2 &quot;+1.0&quot;^^xsd:decimal .
+
+:y3 :p1 &quot;01.0&quot;^^xsd:decimal .
+:y3 :p2 &quot;01.0&quot;^^xsd:decimal .
+
+:z1 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z1 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z2 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z2 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z3 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z3 :p2 &quot;1.3e0&quot;^^xsd:double .
+
+:z4 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z5 :p1 &quot;1.3e0&quot;^^xsd:float .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-1.rq">data-r2/distinct/distinct-1.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT DISTINCT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-num.srx">data-r2/distinct/distinct-num.srx</a></p>
+<hr/>
+<h2><a name="distinct-2">Strings: Distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-str.ttl">data-r2/distinct/data-str.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;abc&quot; .
+:x1 :q &quot;abc&quot; .
+
+:x2 :p &quot;abc&quot;@en .
+:x2 :q &quot;abc&quot;@en .
+
+:x3 :p &quot;ABC&quot; .
+:x3 :q &quot;ABC&quot; .
+
+:x4 :p &quot;ABC&quot;@en .
+:x4 :q &quot;ABC&quot;@en .
+
+
+:x5 :p &quot;abc&quot;^^xsd:string .
+:x5 :q &quot;abc&quot;^^xsd:string .
+:x6 :p &quot;ABC&quot;^^xsd:string .
+:x6 :q &quot;ABC&quot;^^xsd:string .
+
+:x7 :p &quot;&quot; .
+:x7 :q &quot;&quot; .
+
+:x8 :p &quot;&quot;@en .
+:x8 :q &quot;&quot;@en .
+
+:x9 :p &quot;&quot;^^xsd:string .
+:x9 :q &quot;&quot;^^xsd:string .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-1.rq">data-r2/distinct/distinct-1.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT DISTINCT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-str.srx">data-r2/distinct/distinct-str.srx</a></p>
+<hr/>
+<h2><a name="distinct-3">Nodes: Distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-node.ttl">data-r2/distinct/data-node.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 :z1 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 _:a .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-1.rq">data-r2/distinct/distinct-1.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT DISTINCT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-node.srx">data-r2/distinct/distinct-node.srx</a></p>
+<hr/>
+<h2><a name="distinct-4">Opt: Distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-opt.ttl">data-r2/distinct/data-opt.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 :z1 .
+:x1 :p1 :z2 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 :z2 .
+:x1 :p2 _:a .
+
+:z1 :q  :r .
+_:a :q  :s .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-2.rq">data-r2/distinct/distinct-2.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT DISTINCT ?v
+{
+    :x1 ?p ?o
+    OPTIONAL { ?o :q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-opt.srx">data-r2/distinct/distinct-opt.srx</a></p>
+<hr/>
+<h2><a name="distinct-9">All: Distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-all.ttl">data-r2/distinct/data-all.ttl</a></p>
+<div class="query">
+## data-num.ttl
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 &quot;1&quot;^^xsd:integer .
+:x1 :p2 &quot;1&quot;^^xsd:integer .
+
+:x2 :p1 &quot;1&quot;^^xsd:integer .
+:x2 :p2 &quot;1&quot;^^xsd:integer .
+
+:x3 :p1 &quot;01&quot;^^xsd:integer .
+:x3 :p2 &quot;01&quot;^^xsd:integer .
+
+:x4 :p1 &quot;+1&quot;^^xsd:integer .
+:x4 :p2 &quot;+1&quot;^^xsd:integer .
+
+:y1 :p1 &quot;1.0&quot;^^xsd:decimal .
+:y1 :p2 &quot;1.0&quot;^^xsd:decimal .
+
+:y2 :p1 &quot;+1.0&quot;^^xsd:decimal .
+:y2 :p2 &quot;+1.0&quot;^^xsd:decimal .
+
+:y3 :p1 &quot;01.0&quot;^^xsd:decimal .
+:y3 :p2 &quot;01.0&quot;^^xsd:decimal .
+
+:z1 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z1 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z2 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z2 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z3 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z3 :p2 &quot;1.3e0&quot;^^xsd:double .
+
+:z4 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z5 :p1 &quot;1.3e0&quot;^^xsd:float .
+
+## data-str.ttl
+
+:x1 :p &quot;abc&quot; .
+:x1 :q &quot;abc&quot; .
+
+:x2 :p &quot;abc&quot;@en .
+:x2 :q &quot;abc&quot;@en .
+
+:x3 :p &quot;ABC&quot; .
+:x3 :q &quot;ABC&quot; .
+
+:x4 :p &quot;ABC&quot;@en .
+:x4 :q &quot;ABC&quot;@en .
+
+
+:x5 :p &quot;abc&quot;^^xsd:string .
+:x5 :q &quot;abc&quot;^^xsd:string .
+:x6 :p &quot;ABC&quot;^^xsd:string .
+:x6 :q &quot;ABC&quot;^^xsd:string .
+
+:x7 :p &quot;&quot; .
+:x7 :q &quot;&quot; .
+
+:x8 :p &quot;&quot;@en .
+:x8 :q &quot;&quot;@en .
+
+:x9 :p &quot;&quot;^^xsd:string .
+:x9 :q &quot;&quot;^^xsd:string .
+
+## data-node.ttl
+
+:x1 :p1 :z1 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 _:a .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-1.rq">data-r2/distinct/distinct-1.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT DISTINCT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-all.srx">data-r2/distinct/distinct-all.srx</a></p>
+<hr/>
+<h2><a name="distinct-star-1">SELECT DISTINCT *</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0060/2007-08-07-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-star.ttl">data-r2/distinct/data-star.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;abc&quot; .
+:x1 :q &quot;abc&quot; .
+:x2 :p &quot;abc&quot; .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-star-1.rq">data-r2/distinct/distinct-star-1.rq</a><br/>
+<div class="query">
+PREFIX :         &lt;http://example/&gt; 
+PREFIX xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; 
+SELECT DISTINCT * 
+WHERE { 
+  { ?s :p ?o } UNION { ?s :q ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/distinct-star-1.srx">data-r2/distinct/distinct-star-1.srx</a></p>
+<hr/>
+<h2><a name="no-distinct-1">Numbers: No distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-num.ttl">data-r2/distinct/data-num.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 &quot;1&quot;^^xsd:integer .
+:x1 :p2 &quot;1&quot;^^xsd:integer .
+
+:x2 :p1 &quot;1&quot;^^xsd:integer .
+:x2 :p2 &quot;1&quot;^^xsd:integer .
+
+:x3 :p1 &quot;01&quot;^^xsd:integer .
+:x3 :p2 &quot;01&quot;^^xsd:integer .
+
+:x4 :p1 &quot;+1&quot;^^xsd:integer .
+:x4 :p2 &quot;+1&quot;^^xsd:integer .
+
+:y1 :p1 &quot;1.0&quot;^^xsd:decimal .
+:y1 :p2 &quot;1.0&quot;^^xsd:decimal .
+
+:y2 :p1 &quot;+1.0&quot;^^xsd:decimal .
+:y2 :p2 &quot;+1.0&quot;^^xsd:decimal .
+
+:y3 :p1 &quot;01.0&quot;^^xsd:decimal .
+:y3 :p2 &quot;01.0&quot;^^xsd:decimal .
+
+:z1 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z1 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z2 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z2 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z3 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z3 :p2 &quot;1.3e0&quot;^^xsd:double .
+
+:z4 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z5 :p1 &quot;1.3e0&quot;^^xsd:float .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-1.rq">data-r2/distinct/no-distinct-1.rq</a><br/>
+<div class="query">
+SELECT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-num.srx">data-r2/distinct/no-distinct-num.srx</a></p>
+<hr/>
+<h2><a name="no-distinct-2">Strings: No distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-str.ttl">data-r2/distinct/data-str.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;abc&quot; .
+:x1 :q &quot;abc&quot; .
+
+:x2 :p &quot;abc&quot;@en .
+:x2 :q &quot;abc&quot;@en .
+
+:x3 :p &quot;ABC&quot; .
+:x3 :q &quot;ABC&quot; .
+
+:x4 :p &quot;ABC&quot;@en .
+:x4 :q &quot;ABC&quot;@en .
+
+
+:x5 :p &quot;abc&quot;^^xsd:string .
+:x5 :q &quot;abc&quot;^^xsd:string .
+:x6 :p &quot;ABC&quot;^^xsd:string .
+:x6 :q &quot;ABC&quot;^^xsd:string .
+
+:x7 :p &quot;&quot; .
+:x7 :q &quot;&quot; .
+
+:x8 :p &quot;&quot;@en .
+:x8 :q &quot;&quot;@en .
+
+:x9 :p &quot;&quot;^^xsd:string .
+:x9 :q &quot;&quot;^^xsd:string .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-1.rq">data-r2/distinct/no-distinct-1.rq</a><br/>
+<div class="query">
+SELECT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-str.srx">data-r2/distinct/no-distinct-str.srx</a></p>
+<hr/>
+<h2><a name="no-distinct-3">Nodes: No distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-node.ttl">data-r2/distinct/data-node.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 :z1 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 _:a .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-1.rq">data-r2/distinct/no-distinct-1.rq</a><br/>
+<div class="query">
+SELECT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-node.srx">data-r2/distinct/no-distinct-node.srx</a></p>
+<hr/>
+<h2><a name="no-distinct-4">Opt: No distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-opt.ttl">data-r2/distinct/data-opt.ttl</a></p>
+<div class="query">
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 :z1 .
+:x1 :p1 :z2 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 :z2 .
+:x1 :p2 _:a .
+
+:z1 :q  :r .
+_:a :q  :s .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-2.rq">data-r2/distinct/no-distinct-2.rq</a><br/>
+<div class="query">
+PREFIX :      &lt;http://example/&gt; 
+PREFIX xsd:   &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?v
+{
+    :x1 ?p ?o
+    OPTIONAL { ?o :q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-opt.srx">data-r2/distinct/no-distinct-opt.srx</a></p>
+<hr/>
+<h2><a name="no-distinct-9">All: No distinct</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/data-all.ttl">data-r2/distinct/data-all.ttl</a></p>
+<div class="query">
+## data-num.ttl
+@prefix :         &lt;http://example/&gt; .
+@prefix xsd:      &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p1 &quot;1&quot;^^xsd:integer .
+:x1 :p2 &quot;1&quot;^^xsd:integer .
+
+:x2 :p1 &quot;1&quot;^^xsd:integer .
+:x2 :p2 &quot;1&quot;^^xsd:integer .
+
+:x3 :p1 &quot;01&quot;^^xsd:integer .
+:x3 :p2 &quot;01&quot;^^xsd:integer .
+
+:x4 :p1 &quot;+1&quot;^^xsd:integer .
+:x4 :p2 &quot;+1&quot;^^xsd:integer .
+
+:y1 :p1 &quot;1.0&quot;^^xsd:decimal .
+:y1 :p2 &quot;1.0&quot;^^xsd:decimal .
+
+:y2 :p1 &quot;+1.0&quot;^^xsd:decimal .
+:y2 :p2 &quot;+1.0&quot;^^xsd:decimal .
+
+:y3 :p1 &quot;01.0&quot;^^xsd:decimal .
+:y3 :p2 &quot;01.0&quot;^^xsd:decimal .
+
+:z1 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z1 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z2 :p1 &quot;1.0e0&quot;^^xsd:double .
+:z2 :p2 &quot;1.0e0&quot;^^xsd:double .
+
+:z3 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z3 :p2 &quot;1.3e0&quot;^^xsd:double .
+
+:z4 :p1 &quot;1.3e0&quot;^^xsd:double .
+:z5 :p1 &quot;1.3e0&quot;^^xsd:float .
+
+## data-str.ttl
+
+:x1 :p &quot;abc&quot; .
+:x1 :q &quot;abc&quot; .
+
+:x2 :p &quot;abc&quot;@en .
+:x2 :q &quot;abc&quot;@en .
+
+:x3 :p &quot;ABC&quot; .
+:x3 :q &quot;ABC&quot; .
+
+:x4 :p &quot;ABC&quot;@en .
+:x4 :q &quot;ABC&quot;@en .
+
+
+:x5 :p &quot;abc&quot;^^xsd:string .
+:x5 :q &quot;abc&quot;^^xsd:string .
+:x6 :p &quot;ABC&quot;^^xsd:string .
+:x6 :q &quot;ABC&quot;^^xsd:string .
+
+:x7 :p &quot;&quot; .
+:x7 :q &quot;&quot; .
+
+:x8 :p &quot;&quot;@en .
+:x8 :q &quot;&quot;@en .
+
+:x9 :p &quot;&quot;^^xsd:string .
+:x9 :q &quot;&quot;^^xsd:string .
+
+## data-node.ttl
+
+:x1 :p1 :z1 .
+:x1 :p1 _:a .
+
+:x1 :p2 :z1 .
+:x1 :p2 _:a .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-1.rq">data-r2/distinct/no-distinct-1.rq</a><br/>
+<div class="query">
+SELECT ?v
+{
+    ?x ?p ?v .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/distinct/no-distinct-all.srx">data-r2/distinct/no-distinct-all.srx</a></p>
+<hr/>
+<h2><a name="dawg-datatype-1">datatype-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-datatype-1.rq">data-r2/expr-builtin/q-datatype-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER ( datatype(?v) = xsd:double ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-datatype-1.ttl">data-r2/expr-builtin/result-datatype-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-datatype-2">datatype-2 : Literals with a datatype</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>updated from original test case: eliminated ordering from test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-datatype-2.rq">data-r2/expr-builtin/q-datatype-2.rq</a><br/>
+<div class="query">
+# Which literals have a datatype and which are errors.
+
+PREFIX : &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x
+{ ?x :p ?v . 
+  FILTER(  datatype(?v) != &lt;http://example/NotADataTypeIRI&gt; ) 
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-datatype-2.srx">data-r2/expr-builtin/result-datatype-2.srx</a></p>
+<hr/>
+<h2><a name="dawg-datatype-3">datatype-3 : Literals with a datatype of xsd:string</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>updated from original test case: eliminated ordering from test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-datatype-3.rq">data-r2/expr-builtin/q-datatype-3.rq</a><br/>
+<div class="query">
+# Whichliterals have xsd:string as a datatype
+
+PREFIX : &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x
+{ ?x :p ?v . 
+  FILTER( datatype(?v) = xsd:string ) 
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-datatype-3.srx">data-r2/expr-builtin/result-datatype-3.srx</a></p>
+<hr/>
+<h2><a name="dawg-isBlank-1">isBlank-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-blank-1.rq">data-r2/expr-builtin/q-blank-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER isBlank(?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-blank-1.ttl">data-r2/expr-builtin/result-blank-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-isIRI-1">isIRI-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-iri-1.rq">data-r2/expr-builtin/q-iri-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER isIRI(?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-iri-1.ttl">data-r2/expr-builtin/result-iri-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-isLiteral-1">isLiteral</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-isliteral-1.rq">data-r2/expr-builtin/q-isliteral-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example/&gt;
+SELECT  ?x 
+WHERE
+    { ?x :p ?v . 
+      FILTER isLiteral(?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-isliteral-1.ttl">data-r2/expr-builtin/result-isliteral-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-isURI-1">isURI-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-uri-1.rq">data-r2/expr-builtin/q-uri-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER isURI(?v) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-uri-1.ttl">data-r2/expr-builtin/result-uri-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-lang-1">lang-1 : Literals with a lang tag of some kind</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>updated from original test case: eliminated ordering from test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-lang-1.rq">data-r2/expr-builtin/q-lang-1.rq</a><br/>
+<div class="query">
+# Test which things have a lang tag of some form.
+
+PREFIX : &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x
+{ ?x :p ?v . 
+  FILTER ( lang(?v) != &#39;@NotALangTag@&#39; )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-lang-1.srx">data-r2/expr-builtin/result-lang-1.srx</a></p>
+<hr/>
+<h2><a name="dawg-lang-2">lang-2 : Literals with a lang tag of ''</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>updated from original test case: eliminated ordering from test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-lang-2.rq">data-r2/expr-builtin/q-lang-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x
+{ ?x :p ?v . 
+  FILTER ( lang(?v) = &#39;&#39; )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-lang-2.srx">data-r2/expr-builtin/result-lang-2.srx</a></p>
+<hr/>
+<h2><a name="dawg-lang-3">lang-3 : Graph matching with lang tag being a different case</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>updated from original test case: eliminated ordering from test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-2.ttl">data-r2/expr-builtin/data-builtin-2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p  &quot;string&quot; .
+:x2 :p  &quot;string&quot;^^xsd:string .
+:x3 :p  &quot;string&quot;@en .
+:x4 :p  &quot;lex&quot;^^:unknownType .
+:x5 :p  &quot;1234&quot;^^xsd:integer .
+:x6 :p  &lt;http://example/iri&gt; .
+:x7 :p  _:bNode .
+
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-lang-3.rq">data-r2/expr-builtin/q-lang-3.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x
+{ ?x :p &quot;string&quot;@EN
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-lang-3.srx">data-r2/expr-builtin/result-lang-3.srx</a></p>
+<hr/>
+<h2><a name="dawg-langMatches-1">LangMatches-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>langMatches(lang(?v), 'en-GB') matches 'abc'@en-gb</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-langMatches.ttl">data-r2/expr-builtin/data-langMatches.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/#&gt; .
+
+:x :p1 &quot;abc&quot; .
+:x :p2 &lt;abc&gt; .
+:x :p3 &quot;abc&quot;@en .
+:x :p4 &quot;abc&quot;@en-gb .
+:x :p5 &quot;abc&quot;@fr .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-langMatches-1.rq">data-r2/expr-builtin/q-langMatches-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/#&gt;
+
+SELECT *
+{ :x ?p ?v . FILTER langMatches(lang(?v), &quot;en-GB&quot;) . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-langMatches-1.ttl">data-r2/expr-builtin/result-langMatches-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-langMatches-2">LangMatches-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>langMatches(lang(?v), 'en') matches 'abc'@en, 'abc'@en-gb</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-langMatches.ttl">data-r2/expr-builtin/data-langMatches.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/#&gt; .
+
+:x :p1 &quot;abc&quot; .
+:x :p2 &lt;abc&gt; .
+:x :p3 &quot;abc&quot;@en .
+:x :p4 &quot;abc&quot;@en-gb .
+:x :p5 &quot;abc&quot;@fr .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-langMatches-2.rq">data-r2/expr-builtin/q-langMatches-2.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/#&gt;
+
+SELECT *
+{ :x ?p ?v . FILTER langMatches(lang(?v), &quot;en&quot;) . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-langMatches-2.ttl">data-r2/expr-builtin/result-langMatches-2.ttl</a></p>
+<hr/>
+<h2><a name="dawg-langMatches-3">LangMatches-3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>langMatches(lang(?v), '*') matches 'abc'@en, 'abc'@en-gb, 'abc'@fr</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-langMatches.ttl">data-r2/expr-builtin/data-langMatches.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/#&gt; .
+
+:x :p1 &quot;abc&quot; .
+:x :p2 &lt;abc&gt; .
+:x :p3 &quot;abc&quot;@en .
+:x :p4 &quot;abc&quot;@en-gb .
+:x :p5 &quot;abc&quot;@fr .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-langMatches-3.rq">data-r2/expr-builtin/q-langMatches-3.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/#&gt;
+
+SELECT *
+{ :x ?p ?v . FILTER langMatches(lang(?v), &quot;*&quot;) . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-langMatches-3.ttl">data-r2/expr-builtin/result-langMatches-3.ttl</a></p>
+<hr/>
+<h2><a name="dawg-langMatches-4">LangMatches-4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>! langMatches(lang(?v), '*') matches 'abc'</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-langMatches.ttl">data-r2/expr-builtin/data-langMatches.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/#&gt; .
+
+:x :p1 &quot;abc&quot; .
+:x :p2 &lt;abc&gt; .
+:x :p3 &quot;abc&quot;@en .
+:x :p4 &quot;abc&quot;@en-gb .
+:x :p5 &quot;abc&quot;@fr .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-langMatches-4.rq">data-r2/expr-builtin/q-langMatches-4.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/#&gt;
+
+SELECT *
+{ :x ?p ?v . FILTER (! langMatches(lang(?v), &quot;*&quot;)) . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-langMatches-4.ttl">data-r2/expr-builtin/result-langMatches-4.ttl</a></p>
+<hr/>
+<h2><a name="dawg-langMatches-basic">LangMatches-basic</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>the basic range 'de-de' does not match 'de-Latn-de'</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-langMatches-de.ttl">data-r2/expr-builtin/data-langMatches-de.ttl</a></p>
+<div class="query">
+# data-langMatches-de.ttl
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix : &lt;http://example.org/#&gt; .
+
+:x :p3 &quot;abc&quot;@de .
+:x :p4 &quot;abc&quot;@de-de .
+:x :p5 &quot;abc&quot;@de-latn-de .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-langMatches-de-de.rq">data-r2/expr-builtin/q-langMatches-de-de.rq</a><br/>
+<div class="query">
+# q-langMatches-de-de.rq
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX : &lt;http://example.org/#&gt;
+
+SELECT *
+{ :x ?p ?v . FILTER langMatches(lang(?v), &quot;de-de&quot;) . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-langMatches-de.ttl">data-r2/expr-builtin/result-langMatches-de.ttl</a></p>
+<hr/>
+<h2><a name="dawg-str-1">str-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-str-1.rq">data-r2/expr-builtin/q-str-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER ( str(?v) = &quot;1&quot; ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-str-1.ttl">data-r2/expr-builtin/result-str-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-str-2">str-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-str-2.rq">data-r2/expr-builtin/q-str-2.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER ( str(?v) = &quot;01&quot; ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-str-2.ttl">data-r2/expr-builtin/result-str-2.ttl</a></p>
+<hr/>
+<h2><a name="dawg-str-3">str-3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-str-3.rq">data-r2/expr-builtin/q-str-3.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER ( str(?v) = &quot;zzz&quot; ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-str-3.ttl">data-r2/expr-builtin/result-str-3.ttl</a></p>
+<hr/>
+<h2><a name="dawg-str-4">str-4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/q-str-4.rq">data-r2/expr-builtin/q-str-4.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x ?v
+WHERE
+    { ?x :p ?v . 
+      FILTER ( str(?v) = &quot;&quot;  ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-str-4.ttl">data-r2/expr-builtin/result-str-4.ttl</a></p>
+<hr/>
+<h2><a name="lang-case-insensitive-eq">lang-case-insensitive-eq</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>'xyz'@en = 'xyz'@EN</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-sensitivity.ttl">data-r2/expr-builtin/lang-case-sensitivity.ttl</a></p>
+<div class="query">
+# Data: minimal test of plain literal language sensitivity
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix     : &lt;http://example/&gt; .
+
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-sensitivity-eq.rq">data-r2/expr-builtin/lang-case-sensitivity-eq.rq</a><br/>
+<div class="query">
+# Test: &#39;xyz&#39;@en = &#39;xyz&#39;@EN
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX     :    &lt;http://example/&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-insensitive-eq.srx">data-r2/expr-builtin/lang-case-insensitive-eq.srx</a></p>
+<hr/>
+<h2><a name="lang-case-insensitive-ne">lang-case-insensitive-ne</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>'xyz'@en != 'xyz'@EN</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-sensitivity.ttl">data-r2/expr-builtin/lang-case-sensitivity.ttl</a></p>
+<div class="query">
+# Data: minimal test of plain literal language sensitivity
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix     : &lt;http://example/&gt; .
+
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-sensitivity-ne.rq">data-r2/expr-builtin/lang-case-sensitivity-ne.rq</a><br/>
+<div class="query">
+# Test: &#39;xyz&#39;@en != &#39;xyz&#39;@EN
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( ?v1 != ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/lang-case-insensitive-ne.srx">data-r2/expr-builtin/lang-case-insensitive-ne.srx</a></p>
+<hr/>
+<h2><a name="sameTerm-eq">sameTerm-eq</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>sameTerm(?v1, ?v2) && ?v1 = ?v2</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/sameTerm-eq.rq">data-r2/expr-builtin/sameTerm-eq.rq</a><br/>
+<div class="query">
+# Test: sameTerm and eq
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX     :    &lt;http://example.org/things#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( sameTerm(?v1, ?v2) &amp;&amp; ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-sameTerm-eq.ttl">data-r2/expr-builtin/result-sameTerm-eq.ttl</a></p>
+<hr/>
+<h2><a name="sameTerm-not-eq">sameTerm-not-eq</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>!sameTerm(?v1, ?v2) && ?v1 = ?v2</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/sameTerm-not-eq.rq">data-r2/expr-builtin/sameTerm-not-eq.rq</a><br/>
+<div class="query">
+# Test: !sameTerm and eq
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX     :    &lt;http://example.org/things#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( !sameTerm(?v1, ?v2) &amp;&amp; ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-sameTerm-not-eq.ttl">data-r2/expr-builtin/result-sameTerm-not-eq.ttl</a></p>
+<hr/>
+<h2><a name="sameTerm-simple">sameTerm-simple</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>sameTerm(?v1, ?v2)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/data-builtin-1.ttl">data-r2/expr-builtin/data-builtin-1.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+:xp2 :p  &quot;&quot; .
+
+:xu :p  :z .
+
+:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/sameTerm.rq">data-r2/expr-builtin/sameTerm.rq</a><br/>
+<div class="query">
+# Test: sameTerm
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX     :    &lt;http://example.org/things#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER sameTerm(?v1, ?v2)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-builtin/result-sameTerm.ttl">data-r2/expr-builtin/result-sameTerm.ttl</a></p>
+<hr/>
+<h2><a name="eq-1">Equality 1-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>= in FILTER expressions is value equality</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-1.rq">data-r2/expr-equals/query-eq-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = 1 ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-1.ttl">data-r2/expr-equals/result-eq-1.ttl</a></p>
+<hr/>
+<h2><a name="eq-2">Equality 1-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>= in FILTER expressions is value equality</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-2.rq">data-r2/expr-equals/query-eq-2.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = 1.0e0 )  .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-2.ttl">data-r2/expr-equals/result-eq-2.ttl</a></p>
+<hr/>
+<h2><a name="eq-2-1">Equality - 2 var - test equals</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>= in FILTER is value equality</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq2-1.rq">data-r2/expr-equals/query-eq2-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?v1 ?v2
+WHERE
+    { ?x1 :p ?v1 .
+      ?x2 :p ?v2 . 
+      FILTER ( ?v1 = ?v2 ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq2-1.ttl">data-r2/expr-equals/result-eq2-1.ttl</a></p>
+<hr/>
+<h2><a name="eq-2-2">Equality - 2 var - test not equals </a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>!= in FILTER is value inequality</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq2-1.rq">data-r2/expr-equals/query-eq2-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?v1 ?v2
+WHERE
+    { ?x1 :p ?v1 .
+      ?x2 :p ?v2 . 
+      FILTER ( ?v1 = ?v2 ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq2-1.ttl">data-r2/expr-equals/result-eq2-1.ttl</a></p>
+<hr/>
+<h2><a name="eq-3">Equality 1-3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Numerics are not value-equivalent to plain literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-3.rq">data-r2/expr-equals/query-eq-3.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = &quot;1&quot; ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-3.ttl">data-r2/expr-equals/result-eq-3.ttl</a></p>
+<hr/>
+<h2><a name="eq-4">Equality 1-4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>= compares plain literals and unknown types with the same lexical form as false</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-4.rq">data-r2/expr-equals/query-eq-4.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = &quot;zzz&quot; ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-4.ttl">data-r2/expr-equals/result-eq-4.ttl</a></p>
+<hr/>
+<h2><a name="eq-5">Equality 1-5</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>= on IRI terms</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-5.rq">data-r2/expr-equals/query-eq-5.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = :z  ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-5.ttl">data-r2/expr-equals/result-eq-5.ttl</a></p>
+<hr/>
+<h2><a name="eq-graph-1">Equality 1-1 -- graph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Graph pattern matching matches exact terms, not values</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-graph-1.rq">data-r2/expr-equals/query-eq-graph-1.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p 1 . 
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-graph-1.ttl">data-r2/expr-equals/result-eq-graph-1.ttl</a></p>
+<hr/>
+<h2><a name="eq-graph-2">Equality 1-2 -- graph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Graph pattern matching matches exact terms, not values</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-graph-2.rq">data-r2/expr-equals/query-eq-graph-2.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p 1.0e0 .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-graph-2.ttl">data-r2/expr-equals/result-eq-graph-2.ttl</a></p>
+<hr/>
+<h2><a name="eq-graph-3">Equality 1-3 -- graph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Graph pattern matching matches exact terms, not values</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-graph-3.rq">data-r2/expr-equals/query-eq-graph-3.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p &quot;1&quot;
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-graph-3.ttl">data-r2/expr-equals/result-eq-graph-3.ttl</a></p>
+<hr/>
+<h2><a name="eq-graph-4">Equality 1-4 -- graph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Graph pattern matching matches exact terms, not values</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-graph-4.rq">data-r2/expr-equals/query-eq-graph-4.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p &quot;zzz&quot; .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-graph-4.ttl">data-r2/expr-equals/result-eq-graph-4.ttl</a></p>
+<hr/>
+<h2><a name="eq-graph-5">Equality 1-5 -- graph</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/19-dawg-minutes.html">http://www.w3.org/2007/06/19-dawg-minutes.html</a></div>
+<p>Graph pattern matching matches exact terms, not values</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/data-eq.ttl">data-r2/expr-equals/data-eq.ttl</a></p>
+<div class="query">
+@prefix    :        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:xi1 :p  &quot;1&quot;^^xsd:integer .
+:xi2 :p  &quot;1&quot;^^xsd:integer .
+:xi3 :p  &quot;01&quot;^^xsd:integer .
+
+:xd1 :p  &quot;1.0e0&quot;^^xsd:double .
+:xd2 :p  &quot;1.0&quot;^^xsd:double .
+:xd3 :p  &quot;1&quot;^^xsd:double .
+
+## :xdec1 :p  &quot;1.0&quot;^^xsd:decimal .
+## :xdec2 :p  &quot;1&quot;^^xsd:decimal .
+## :xdec3 :p  &quot;01&quot;^^xsd:decimal .
+
+:xt1 :p  &quot;zzz&quot;^^:myType .
+
+:xp1 :p  &quot;zzz&quot; .
+:xp2 :p  &quot;1&quot; .
+
+:xu :p  :z .
+
+#:xb :p  _:a .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/query-eq-graph-5.rq">data-r2/expr-equals/query-eq-graph-5.rq</a><br/>
+<div class="query">
+PREFIX  xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+PREFIX  : &lt;http://example.org/things#&gt;
+SELECT  ?x
+WHERE
+    { ?x :p ?v . 
+      FILTER ( ?v = :z  ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-equals/result-eq-graph-5.ttl">data-r2/expr-equals/result-eq-graph-5.ttl</a></p>
+<hr/>
+<h2><a name="ge-1">Greater-than or equals</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>>= in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-ge-1.rq">data-r2/expr-ops/query-ge-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    FILTER(?o &gt;= 3) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-ge-1.srx">data-r2/expr-ops/result-ge-1.srx</a></p>
+<hr/>
+<h2><a name="le-1">Less-than or equals</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p><= in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-le-1.rq">data-r2/expr-ops/query-le-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    FILTER(?o &lt;= 2) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-le-1.srx">data-r2/expr-ops/result-le-1.srx</a></p>
+<hr/>
+<h2><a name="minus-1">Subtraction</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>A - B in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-minus-1.rq">data-r2/expr-ops/query-minus-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    ?s2 :p ?o2 .
+    FILTER(?o - ?o2 = 3) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-minus-1.srx">data-r2/expr-ops/result-minus-1.srx</a></p>
+<hr/>
+<h2><a name="mul-1">Multiplication</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>A * B in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-mul-1.rq">data-r2/expr-ops/query-mul-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    ?s2 :p ?o2 .
+    FILTER(?o * ?o2 = 4) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-mul-1.srx">data-r2/expr-ops/result-mul-1.srx</a></p>
+<hr/>
+<h2><a name="plus-1">Addition</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>A + B in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-plus-1.rq">data-r2/expr-ops/query-plus-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    ?s2 :p ?o2 .
+    FILTER(?o + ?o2 = 3) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-plus-1.srx">data-r2/expr-ops/result-plus-1.srx</a></p>
+<hr/>
+<h2><a name="unminus-1">Unary Minus</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>-A in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-unminus-1.rq">data-r2/expr-ops/query-unminus-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    FILTER(-?o = -2) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-unminus-1.srx">data-r2/expr-ops/result-unminus-1.srx</a></p>
+<hr/>
+<h2><a name="unplus-1">Unary Plusn</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0087/14-dawg-minutes.html</a></div>
+<p>+A in FILTER expressions</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/data.ttl">data-r2/expr-ops/data.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;1&quot;^^xsd:integer .
+:x2 :p &quot;2&quot;^^xsd:integer .
+:x3 :p &quot;3&quot;^^xsd:integer .
+:x4 :p &quot;4&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/query-unplus-1.rq">data-r2/expr-ops/query-unplus-1.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+    ?s :p ?o .
+    FILTER(?o = +3) .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/expr-ops/result-unplus-1.srx">data-r2/expr-ops/result-unplus-1.srx</a></p>
+<hr/>
+<h2><a name="dawg-graph-01">graph-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default graph / Query: default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-01.rq">data-r2/graph/graph-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-01.ttl">data-r2/graph/graph-01.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-02">graph-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named graph / Query: default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-02.rq">data-r2/graph/graph-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-02.ttl">data-r2/graph/graph-02.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-03">graph-03</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named graph / Query: named graph graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-03.rq">data-r2/graph/graph-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-03.ttl">data-r2/graph/graph-03.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-04">graph-04</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: named graph / Query: default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-04.rq">data-r2/graph/graph-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-04.ttl">data-r2/graph/graph-04.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-05">graph-05</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: default graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-05.rq">data-r2/graph/graph-05.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { ?s ?p ?o }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-05.ttl">data-r2/graph/graph-05.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-06">graph-06</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: named graph</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-06.rq">data-r2/graph/graph-06.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * { 
+    GRAPH ?g { ?s ?p ?o }
+}
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-06.ttl">data-r2/graph/graph-06.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-07">graph-07</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: all data by UNION</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-07.rq">data-r2/graph/graph-07.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-07.ttl">data-r2/graph/graph-07.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-08">graph-08</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named / Query: common subjects</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-08.rq">data-r2/graph/graph-08.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-08.ttl">data-r2/graph/graph-08.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-09">graph-09</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named (bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl">data-r2/graph/data-g3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g4.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-09.rq">data-r2/graph/graph-09.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-09.ttl">data-r2/graph/graph-09.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-10">graph-10</a></h2>
+Query evaluation test
+
+<p>Data: default and named (same data, with bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl">data-r2/graph/data-g3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-10.rq">data-r2/graph/graph-10.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-10.ttl">data-r2/graph/graph-10.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-10b">graph-10b</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/10/09-dawg-minutes.html">http://www.w3.org/2007/10/09-dawg-minutes.html</a></div>
+<p>Data: default and named (same data, with bnodes) / Query: common subjects</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl">data-r2/graph/data-g3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3-dup.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3-dup.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:x :p &quot;1&quot;^^xsd:integer .
+_:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-10.rq">data-r2/graph/graph-10.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   ?s ?p ?o
+   GRAPH ?g { ?s ?q ?v }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-10.ttl">data-r2/graph/graph-10.ttl</a></p>
+<hr/>
+<h2><a name="dawg-graph-11">graph-11</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Data: default and named (several) / Query: get everything</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g4.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g4.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g3.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g2.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/data-g1.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :p &quot;1&quot;^^xsd:integer .
+:a :p &quot;9&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-11.rq">data-r2/graph/graph-11.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example/&gt; 
+
+SELECT * 
+{ 
+   { ?s ?p ?o }
+  UNION
+   { GRAPH ?g { ?s ?p ?o } }
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/graph-11.ttl">data-r2/graph/graph-11.ttl</a></p>
+<hr/>
+<h2><a name="kanji-1">kanji-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji.ttl">data-r2/i18n/kanji.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# See DOCUMENT INFO below.
+
+# NAMESPACES
+@prefix rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+@prefix owl: &lt;http://www.w3.org/2002/07/owl#&gt; .
+@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix &eacute;&pound;&#159;: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#&gt; .
+
+# DOCUMENT INFO
+&lt;&gt; rdfs:comment &quot;test kanji IRIs (composed from QNames)&quot; ;
+   owl:versionInfo &quot;$Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $&quot;.
+
+# DOCUMENT
+_:alice foaf:name &quot;Alice&quot; ;
+        &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139;   &eacute;&pound;&#159;:&ccedil;&acute;&#141;&egrave;&plusmn;&#134; .
+
+_:bob   foaf:name &quot;Bob&quot; ;
+        &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139;   &eacute;&pound;&#159;:&aelig;&micro;&middot;&egrave;&#128;&#129; .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji-01.rq">data-r2/i18n/kanji-01.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# test kanji QNames
+PREFIX foaf: &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX &eacute;&pound;&#159;: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#&gt;
+SELECT ?name ?food WHERE {
+  [ foaf:name ?name ;
+    &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139; ?food ] . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji-01-results.ttl">data-r2/i18n/kanji-01-results.ttl</a></p>
+<hr/>
+<h2><a name="kanji-2">kanji-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji.ttl">data-r2/i18n/kanji.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# See DOCUMENT INFO below.
+
+# NAMESPACES
+@prefix rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+@prefix owl: &lt;http://www.w3.org/2002/07/owl#&gt; .
+@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix &eacute;&pound;&#159;: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#&gt; .
+
+# DOCUMENT INFO
+&lt;&gt; rdfs:comment &quot;test kanji IRIs (composed from QNames)&quot; ;
+   owl:versionInfo &quot;$Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $&quot;.
+
+# DOCUMENT
+_:alice foaf:name &quot;Alice&quot; ;
+        &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139;   &eacute;&pound;&#159;:&ccedil;&acute;&#141;&egrave;&plusmn;&#134; .
+
+_:bob   foaf:name &quot;Bob&quot; ;
+        &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139;   &eacute;&pound;&#159;:&aelig;&micro;&middot;&egrave;&#128;&#129; .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji-02.rq">data-r2/i18n/kanji-02.rq</a><br/>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# test wide spaces
+PREFIX foaf: &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX &eacute;&pound;&#159;: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/kanji.ttl#&gt;
+SELECT ?name WHERE {
+  [ foaf:name ?name ;
+    &eacute;&pound;&#159;:&eacute;&pound;&#159;&atilde;&#129;&sup1;&atilde;&#130;&#139; &eacute;&pound;&#159;:&aelig;&micro;&middot;&egrave;&#128;&#129; ] . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/kanji-02-results.ttl">data-r2/i18n/kanji-02-results.ttl</a></p>
+<hr/>
+<h2><a name="normalization-1">normalization-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-01.ttl">data-r2/i18n/normalization-01.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+# See DOCUMENT INFO below.
+
+# NAMESPACES
+@prefix rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+@prefix owl: &lt;http://www.w3.org/2002/07/owl#&gt; .
+@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix HR: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/normalization.ttl#&gt; .
+
+# DOCUMENT INFO
+&lt;&gt; rdfs:comment &quot;Normalized and non-normalized IRIs&quot; ;
+   owl:versionInfo &quot;$Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $&quot;.
+
+# DOCUMENT
+[] foaf:name &quot;Alice&quot; ;
+  HR:resum&Atilde;&copy; &quot;Alice&#39;s normalized resum&Atilde;&copy;&quot;  .
+
+[] foaf:name &quot;Bob&quot; ;
+  HR:resume&Igrave;&#129; &quot;Bob&#39;s non-normalized resume&Igrave;&#129;&quot; .
+
+[] foaf:name &quot;Eve&quot; ;
+  HR:resum&Atilde;&copy; &quot;Eve&#39;s normalized resum&Atilde;&copy;&quot; ;
+  HR:resume&Igrave;&#129; &quot;Eve&#39;s non-normalized resume&Igrave;&#129;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-01.rq">data-r2/i18n/normalization-01.rq</a><br/>
+<div class="query">
+# Figure out what happens with normalization form C.
+PREFIX foaf: &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX HR: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/i18n/normalization.ttl#&gt;
+SELECT ?name
+ WHERE { [ foaf:name ?name; 
+           HR:resume&Igrave;&#129; ?resume ] . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-01-results.ttl">data-r2/i18n/normalization-01-results.ttl</a></p>
+<hr/>
+<h2><a name="normalization-2">normalization-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Example 1 from http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-02.ttl">data-r2/i18n/normalization-02.ttl</a></p>
+<div class="query">
+# Example 1 from
+# http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+@prefix : &lt;http://example/vocab#&gt;.
+
+:s1 :p &lt;example://a/b/c/%7Bfoo%7D#xyz&gt;.
+:s2 :p &lt;eXAMPLE://a/./b/../b/%63/%7bfoo%7d#xyz&gt;.
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-02.rq">data-r2/i18n/normalization-02.rq</a><br/>
+<div class="query">
+# Example 1 from
+# http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+PREFIX : &lt;http://example/vocab#&gt;
+PREFIX p1: &lt;eXAMPLE://a/./b/../b/%63/%7bfoo%7d#&gt;
+
+SELECT ?S WHERE { ?S :p p1:xyz }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-02-results.ttl">data-r2/i18n/normalization-02-results.ttl</a></p>
+<hr/>
+<h2><a name="normalization-3">normalization-03</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes</a></div>
+<p>Example 2 from http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-03.ttl">data-r2/i18n/normalization-03.ttl</a></p>
+<div class="query">
+# Example 1 from
+# http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+@prefix : &lt;http://example/vocab#&gt;.
+
+:s3 :p &lt;http://example.com:80/#abc&gt;.
+:s4 :p &lt;http://example.com/#abc&gt;.
+:s5 :p &lt;http://example.com/#abc&gt;.
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-03.rq">data-r2/i18n/normalization-03.rq</a><br/>
+<div class="query">
+# Example 2 from
+# http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JulSep/0096
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+PREFIX : &lt;http://example/vocab#&gt;
+PREFIX p2: &lt;http://example.com:80/#&gt;
+
+SELECT ?S WHERE { ?S :p p2:abc }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/i18n/normalization-03-results.ttl">data-r2/i18n/normalization-03-results.ttl</a></p>
+<hr/>
+<h2><a name="date-1">date-1</a></h2>
+Query evaluation test
+
+<p>Added type : xsd:date '='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-3.ttl">data-r2/open-world/data-3.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:dt1 :r &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime .
+
+:d1 :r &quot;2006-08-23&quot;^^xsd:date .
+:d2 :r &quot;2006-08-23Z&quot;^^xsd:date .
+:d3 :r &quot;2006-08-23+00:00&quot;^^xsd:date .
+
+:d4 :r &quot;2001-01-01&quot;^^xsd:date .
+:d5 :r &quot;2001-01-01Z&quot;^^xsd:date .
+
+:d6 :s &quot;2006-08-23&quot;^^xsd:date .
+:d7 :s &quot;2006-08-24Z&quot;^^xsd:date .
+:d8 :s &quot;2000-01-01&quot;^^xsd:date .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-1.rq">data-r2/open-world/date-1.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :r ?v .
+    FILTER ( ?v = &quot;2006-08-23&quot;^^xsd:date )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-1-result.srx">data-r2/open-world/date-1-result.srx</a></p>
+<hr/>
+<h2><a name="date-2">date-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Added type : xsd:date '!='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-3.ttl">data-r2/open-world/data-3.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:dt1 :r &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime .
+
+:d1 :r &quot;2006-08-23&quot;^^xsd:date .
+:d2 :r &quot;2006-08-23Z&quot;^^xsd:date .
+:d3 :r &quot;2006-08-23+00:00&quot;^^xsd:date .
+
+:d4 :r &quot;2001-01-01&quot;^^xsd:date .
+:d5 :r &quot;2001-01-01Z&quot;^^xsd:date .
+
+:d6 :s &quot;2006-08-23&quot;^^xsd:date .
+:d7 :s &quot;2006-08-24Z&quot;^^xsd:date .
+:d8 :s &quot;2000-01-01&quot;^^xsd:date .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-2.rq">data-r2/open-world/date-2.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :r ?v .
+    FILTER ( ?v != &quot;2006-08-23&quot;^^xsd:date )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-2-result.srx">data-r2/open-world/date-2-result.srx</a></p>
+<hr/>
+<h2><a name="date-3">date-3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Added type : xsd:date '>'</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-3.ttl">data-r2/open-world/data-3.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:dt1 :r &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime .
+
+:d1 :r &quot;2006-08-23&quot;^^xsd:date .
+:d2 :r &quot;2006-08-23Z&quot;^^xsd:date .
+:d3 :r &quot;2006-08-23+00:00&quot;^^xsd:date .
+
+:d4 :r &quot;2001-01-01&quot;^^xsd:date .
+:d5 :r &quot;2001-01-01Z&quot;^^xsd:date .
+
+:d6 :s &quot;2006-08-23&quot;^^xsd:date .
+:d7 :s &quot;2006-08-24Z&quot;^^xsd:date .
+:d8 :s &quot;2000-01-01&quot;^^xsd:date .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-3.rq">data-r2/open-world/date-3.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :r ?v .
+    FILTER ( ?v &gt; &quot;2006-08-22&quot;^^xsd:date )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-3-result.srx">data-r2/open-world/date-3-result.srx</a></p>
+<hr/>
+<h2><a name="date-4">date-4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>xsd:date ORDER BY</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-3.ttl">data-r2/open-world/data-3.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:dt1 :r &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime .
+
+:d1 :r &quot;2006-08-23&quot;^^xsd:date .
+:d2 :r &quot;2006-08-23Z&quot;^^xsd:date .
+:d3 :r &quot;2006-08-23+00:00&quot;^^xsd:date .
+
+:d4 :r &quot;2001-01-01&quot;^^xsd:date .
+:d5 :r &quot;2001-01-01Z&quot;^^xsd:date .
+
+:d6 :s &quot;2006-08-23&quot;^^xsd:date .
+:d7 :s &quot;2006-08-24Z&quot;^^xsd:date .
+:d8 :s &quot;2000-01-01&quot;^^xsd:date .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-4.rq">data-r2/open-world/date-4.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x ?date
+{
+    ?x :s ?date .
+    FILTER ( datatype(?date) = xsd:date )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/date-4-result.srx">data-r2/open-world/date-4-result.srx</a></p>
+<hr/>
+<h2><a name="open-cmp-01">open-cmp-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Find things that compare with < or ></p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-4.ttl">data-r2/open-world/data-4.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+
+:x1 :p [ :v1 &quot;v1&quot; ; :v2 &quot;v2&quot; ] .
+
+:x2 :p [ :v1 &quot;1&quot;^^xsd:integer ; :v2 &quot;v2&quot; ] .
+
+:x3 :p [ :v1 &quot;x&quot;^^:unknown ; :v2 &quot;x&quot;^^:unknown ] .
+
+:x4 :p [ :v1 &lt;test:abc&gt; ; :v2 &lt;test:abc&gt; ] .
+
+:x5 :p [ :v1 &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime ;
+         :v2 &quot;2006-08-22&quot;^^xsd:date ].
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-cmp-01.rq">data-r2/open-world/open-cmp-01.rq</a><br/>
+<div class="query">
+PREFIX      :    &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x ?v1 ?v2
+{
+    ?x :p [ :v1 ?v1 ; :v2 ?v2 ] .
+    FILTER ( ?v1 &lt; ?v2 || ?v1 &gt; ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-cmp-01-result.srx">data-r2/open-world/open-cmp-01-result.srx</a></p>
+<hr/>
+<h2><a name="open-cmp-02">open-cmp-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0118/04-dawg-minutes.html</a></div>
+<p>Find things that compare with <= and ></p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-4.ttl">data-r2/open-world/data-4.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+
+
+:x1 :p [ :v1 &quot;v1&quot; ; :v2 &quot;v2&quot; ] .
+
+:x2 :p [ :v1 &quot;1&quot;^^xsd:integer ; :v2 &quot;v2&quot; ] .
+
+:x3 :p [ :v1 &quot;x&quot;^^:unknown ; :v2 &quot;x&quot;^^:unknown ] .
+
+:x4 :p [ :v1 &lt;test:abc&gt; ; :v2 &lt;test:abc&gt; ] .
+
+:x5 :p [ :v1 &quot;2006-08-23T09:00:00+01:00&quot;^^xsd:dateTime ;
+         :v2 &quot;2006-08-22&quot;^^xsd:date ].
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-cmp-02.rq">data-r2/open-world/open-cmp-02.rq</a><br/>
+<div class="query">
+PREFIX      :    &lt;http://example/&gt; 
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x ?v1 ?v2
+{
+    ?x :p [ :v1 ?v1 ; :v2 ?v2 ] .
+    FILTER ( ?v1 &lt; ?v2 || ?v1 = ?v2 || ?v1 &gt; ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-cmp-02-result.srx">data-r2/open-world/open-cmp-02-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-01">open-eq-01</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>graph match - no lexical form in data (assumes no value matching)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-01.rq">data-r2/open-world/open-eq-01.rq</a><br/>
+<div class="query">
+# SPARQL is defined over simple entailment so
+# only syntactic matches show.  
+# (Some systems may match because they do
+# value-based matching in the graph (D-entailment))
+
+# Does not strictly match &quot;1&quot;^xsd:integer
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{ ?x :p &quot;001&quot;^^xsd:integer }
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-01-result.srx">data-r2/open-world/open-eq-01-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-02">open-eq-02</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>graph match - unknown type</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-02.rq">data-r2/open-world/open-eq-02.rq</a><br/>
+<div class="query">
+# Test matching in a graph pattern
+# Unknown type
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+
+SELECT *
+{ ?x :p &quot;a&quot;^^t:type1 }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-02-result.srx">data-r2/open-world/open-eq-02-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-03">open-eq-03</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Filter(?v=1)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-03.rq">data-r2/open-world/open-eq-03.rq</a><br/>
+<div class="query">
+# SPARQL FILTER test by value.
+# A processor knows about XSD integer
+# so 1 and 01 pass the filter
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+PREFIX  rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX  rdfs:   &lt;http://www.w3.org/2000/01/rdf-schema#&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{ ?x :p ?v 
+  FILTER ( ?v = 1 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-03-result.srx">data-r2/open-world/open-eq-03-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-04">open-eq-04</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Filter(?v!=1)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-04.rq">data-r2/open-world/open-eq-04.rq</a><br/>
+<div class="query">
+# SPARQL FILTER test by value.
+# A processor knows about XSD integer
+# so 1 and 01 are excluded by the filter
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+PREFIX  rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX  rdfs:   &lt;http://www.w3.org/2000/01/rdf-schema#&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{ ?x :p ?v 
+  FILTER ( ?v != 1 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-04-result.srx">data-r2/open-world/open-eq-04-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-05">open-eq-05</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>FILTER(?v = unknown type)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-05.rq">data-r2/open-world/open-eq-05.rq</a><br/>
+<div class="query">
+# SPARQL FILTER test by value.
+# Only one valus is known to be &quot;a&quot;^^t:type1
+# (others maybe but the processor does not positively know this)
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+
+SELECT *
+{ ?x :p ?v 
+  FILTER ( ?v = &quot;a&quot;^^t:type1 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-05-result.srx">data-r2/open-world/open-eq-05-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-06">open-eq-06</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>FILTER(?v != unknown type)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-1.ttl">data-r2/open-world/data-1.ttl</a></p>
+<div class="query">
+@prefix t: &lt;http://example/t#&gt; .
+@prefix :  &lt;http://example/ns#&gt; .
+@prefix xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;a&quot;^^t:type1 .
+:x2 :p &quot;b&quot;^^t:type1 .
+
+:y1 :p &quot;a&quot;^^t:type2 .
+:y2 :p &quot;b&quot;^^t:type2 .
+
+:z1 :p &quot;1&quot;^^xsd:integer .
+:z2 :p &quot;01&quot;^^xsd:integer .
+:z3 :p &quot;2&quot;^^xsd:integer .
+:z4 :p &quot;02&quot;^^xsd:integer .
+
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-06.rq">data-r2/open-world/open-eq-06.rq</a><br/>
+<div class="query">
+# SPARQL FILTER test by value for known types.
+# Nothing is known to be not the same value as  &quot;a&quot;^^t:type1
+#  &quot;b&quot;^^t:type1 might be a different lexical form for the same value
+#  &quot;a&quot;^^t:type2 might have overlapping value spaces for this lexicial form.
+
+PREFIX  :       &lt;http://example/ns#&gt;
+PREFIX  t:      &lt;http://example/t#&gt;
+
+SELECT *
+{ ?x :p ?v 
+  FILTER ( ?v != &quot;a&quot;^^t:type1 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-06-result.srx">data-r2/open-world/open-eq-06-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-07">open-eq-07</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Test of '=' </p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-07.rq">data-r2/open-world/open-eq-07.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-07-result.srx">data-r2/open-world/open-eq-07-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-08">open-eq-08</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Test of '!='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-08.rq">data-r2/open-world/open-eq-08.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x1 :p ?v1 .
+    ?x2 :p ?v2 .
+    FILTER ( ?v1 != ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-08-result.srx">data-r2/open-world/open-eq-08-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-09">open-eq-09</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Test of '='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-09.rq">data-r2/open-world/open-eq-09.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :p ?v1 .
+    ?y :q ?v2 .
+    FILTER ( ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-09-result.srx">data-r2/open-world/open-eq-09-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-10">open-eq-10</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Test of '!='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-10.rq">data-r2/open-world/open-eq-10.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :p ?v1 .
+    ?y :q ?v2 .
+    FILTER ( ?v1 != ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-10-result.srx">data-r2/open-world/open-eq-10-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-11">open-eq-11</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>test of '=' || '!='</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-11.rq">data-r2/open-world/open-eq-11.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT *
+{
+    ?x :p ?v1 .
+    ?y :q ?v2 .
+    FILTER ( ?v1 != ?v2 || ?v1 = ?v2 )
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-11-result.srx">data-r2/open-world/open-eq-11-result.srx</a></p>
+<hr/>
+<h2><a name="open-eq-12">open-eq-12</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>find pairs that don't value-compare</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/data-2.ttl">data-r2/open-world/data-2.ttl</a></p>
+<div class="query">
+@prefix     : &lt;http://example/&gt; .
+@prefix  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x1 :p &quot;xyz&quot; .
+:x2 :p &quot;xyz&quot;@en .
+:x3 :p &quot;xyz&quot;@EN .
+:x4 :p &quot;xyz&quot;^^xsd:string .
+:x5 :p &quot;xyz&quot;^^xsd:integer .
+:x6 :p &quot;xyz&quot;^^:unknown .
+:x7 :p _:xyz .
+:x8 :p :xyz .
+
+:y1 :q &quot;abc&quot; .
+:y2 :q &quot;abc&quot;@en .
+:y3 :q &quot;abc&quot;@EN .
+:y4 :q &quot;abc&quot;^^xsd:string .
+:y5 :q &quot;abc&quot;^^xsd:integer .
+:y6 :q &quot;abc&quot;^^:unknown .
+:y7 :q _:abc .
+:y8 :q :abc .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-12.rq">data-r2/open-world/open-eq-12.rq</a><br/>
+<div class="query">
+PREFIX     :    &lt;http://example/&gt;
+PREFIX  xsd:    &lt;http://www.w3.org/2001/XMLSchema#&gt;
+
+SELECT ?x ?v1 ?y ?v2
+{
+    ?x :p ?v1 .
+    ?y :p ?v2 .
+    OPTIONAL { ?y :p ?v3 . FILTER( ?v1 != ?v3 || ?v1 = ?v3 )}
+    FILTER (!bound(?v3))
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/open-world/open-eq-12-result.srx">data-r2/open-world/open-eq-12-result.srx</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-001">OPTIONAL-FILTER</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>FILTER inside an OPTIONAL does not block an entire solution</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-1.rq">data-r2/optional-filter/expr-1.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        { ?book x:price ?price . 
+          FILTER (?price &lt; 15) .
+        } .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-1-result.ttl">data-r2/optional-filter/expr-1-result.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-002">OPTIONAL - Outer FILTER</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>FILTER outside an OPTIONAL tests bound and unbound variables</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-2.rq">data-r2/optional-filter/expr-2.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        { ?book x:price ?price } . 
+      FILTER (?price &lt; 15)  .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-2-result.ttl">data-r2/optional-filter/expr-2-result.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-003">OPTIONAL - Outer FILTER with BOUND</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html</a></div>
+<p>Use !bound to only run outer FILTERs against variables bound in an OPTIONAL</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-3.rq">data-r2/optional-filter/expr-3.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        { ?book x:price ?price } . 
+      FILTER ( ( ! bound(?price) ) || ( ?price &lt; 15 ) ) .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-3-result.ttl">data-r2/optional-filter/expr-3-result.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-004">OPTIONAL - Inner FILTER with negative EBV for outer variables</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007OctDec/att-0006/02-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007OctDec/att-0006/02-dawg-minutes.html</a></div>
+<p>FILTER inside an OPTIONAL does not corrupt the entire solution</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-4.rq">data-r2/optional-filter/expr-4.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        { ?book x:price ?price . 
+          FILTER (?price &lt; 15 &amp;&amp; ?title = &quot;TITLE 2&quot;) .
+        } .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-4-result.ttl">data-r2/optional-filter/expr-4-result.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-005-not-simplified">dawg-optional-filter-005-not-simplified</a></h2>
+Query evaluation test
+
+<p>Double curly braces do NOT get simplified to single curly braces early on, before filters are scoped</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-5.rq">data-r2/optional-filter/expr-5.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        {
+          { 
+            ?book x:price ?price . 
+            FILTER (?title = &quot;TITLE 2&quot;) .
+          }
+        } .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-5-result-not-simplified.ttl">data-r2/optional-filter/expr-5-result-not-simplified.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-filter-005-simplified">dawg-optional-filter-005-simplified</a></h2>
+Query evaluation test
+
+<p>Double curly braces get simplified to single curly braces early on, before filters are scoped</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/data-1.ttl">data-r2/optional-filter/data-1.ttl</a></p>
+<div class="query">
+@prefix x: &lt;http://example.org/ns#&gt; .
+@prefix : &lt;http://example.org/books#&gt; .
+@prefix dc:         &lt;http://purl.org/dc/elements/1.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:book1 dc:title &quot;TITLE 1&quot; .
+:book1 x:price  &quot;10&quot;^^xsd:integer .
+
+:book2 dc:title &quot;TITLE 2&quot; .
+:book2 x:price  &quot;20&quot;^^xsd:integer .
+
+:book3 dc:title &quot;TITLE 3&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-5.rq">data-r2/optional-filter/expr-5.rq</a><br/>
+<div class="query">
+PREFIX  dc: &lt;http://purl.org/dc/elements/1.1/&gt;
+PREFIX  x: &lt;http://example.org/ns#&gt;
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        {
+          { 
+            ?book x:price ?price . 
+            FILTER (?title = &quot;TITLE 2&quot;) .
+          }
+        } .
+    }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/expr-5-result-simplified.ttl">data-r2/optional-filter/expr-5-result-simplified.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-001">One optional clause</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>One optional clause</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/data.ttl">data-r2/optional/data.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a foaf:mbox   &lt;mailto:alice@example.net&gt; .
+_:a foaf:name   &quot;Alice&quot; .
+_:a foaf:nick   &quot;WhoMe?&quot; .
+
+_:b foaf:mbox   &lt;mailto:bert@example.net&gt; .
+_:b foaf:name   &quot;Bert&quot; .
+
+_:e foaf:mbox   &lt;mailto:eve@example.net&gt; .
+_:e foaf:nick   &quot;DuckSoup&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-1.rq">data-r2/optional/q-opt-1.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+
+SELECT ?mbox ?name
+   {
+     ?x foaf:mbox ?mbox .
+     OPTIONAL { ?x foaf:name  ?name } .
+   }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-1.ttl">data-r2/optional/result-opt-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-002">Two optional clauses</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>One optional clause</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/data.ttl">data-r2/optional/data.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a foaf:mbox   &lt;mailto:alice@example.net&gt; .
+_:a foaf:name   &quot;Alice&quot; .
+_:a foaf:nick   &quot;WhoMe?&quot; .
+
+_:b foaf:mbox   &lt;mailto:bert@example.net&gt; .
+_:b foaf:name   &quot;Bert&quot; .
+
+_:e foaf:mbox   &lt;mailto:eve@example.net&gt; .
+_:e foaf:nick   &quot;DuckSoup&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-2.rq">data-r2/optional/q-opt-2.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+
+SELECT ?mbox ?name ?nick
+   {
+     ?x foaf:mbox ?mbox .
+     OPTIONAL { ?x foaf:name  ?name } .
+     OPTIONAL { ?x foaf:nick  ?nick } .
+   }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-2.ttl">data-r2/optional/result-opt-2.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-complex-1">Complex optional semantics: 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Complex optional: LeftJoin(LeftJoin(BGP(..),{..}),Join(BGP(..),Union(..,..)))</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl">data-r2/optional/complex-data-1.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+&lt;tag:alice@example:foafUri&gt; 
+    foaf:mbox   &lt;mailto:alice@example.net&gt;;
+    foaf:name   &quot;Alice&quot;;
+    foaf:nick   &quot;WhoMe?&quot;;
+    foaf:depiction   &lt;http://example.com/alice.png&gt; .
+
+&lt;tag:bert@example:foafUri&gt; 
+    foaf:mbox   &lt;mailto:bert@example.net&gt; ;
+    foaf:nick   &quot;BigB&quot; ;
+    foaf:name   &quot;Bert&quot; .
+
+&lt;tag:eve@example:foafUri&gt; 
+    foaf:mbox   &lt;mailto:eve@example.net&gt; ;
+    foaf:firstName   &quot;Eve&quot; .
+
+&lt;tag:john@example:foafUri&gt;
+    foaf:mbox   &lt;mailto:john@example.net&gt; ;
+    foaf:nick   &quot;jDoe&quot;;
+    foaf:isPrimaryTopicOf &lt;http://example.com/people/johnDoe&gt; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-complex-1.rq">data-r2/optional/q-opt-complex-1.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?person ?nick ?page ?img ?name ?firstN
+{ 
+    ?person foaf:nick ?nick
+    OPTIONAL { ?person foaf:isPrimaryTopicOf ?page } 
+    OPTIONAL { 
+        ?person foaf:name ?name 
+        { ?person foaf:depiction ?img } UNION 
+        { ?person foaf:firstName ?firstN } 
+    } FILTER ( bound(?page) || bound(?img) || bound(?firstN) ) 
+} 
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-complex-1.ttl">data-r2/optional/result-opt-complex-1.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-complex-2">Complex optional semantics: 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Complex optional: LeftJoin(Join(BGP(..),Graph(var,{..})),Union(..,..))</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-2.ttl">data-r2/optional/complex-data-2.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-complex-2.rq">data-r2/optional/q-opt-complex-2.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX    ex:   &lt;http://example.org/things#&gt;
+SELECT ?id ?ssn
+WHERE 
+{ 
+    ?person 
+        a foaf:Person;
+        foaf:name ?name . 
+    GRAPH ?x { 
+        [] foaf:name ?name;
+           foaf:nick ?nick
+    } 
+    OPTIONAL { 
+        { ?person ex:empId ?id } UNION { ?person ex:ssn ?ssn } 
+    } 
+} 
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-complex-2.ttl">data-r2/optional/result-opt-complex-2.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-complex-3">Complex optional semantics: 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Complex optional: LeftJoin(Join(BGP(..),Graph(var,{..})),LeftJoin(BGP(..),{..}))</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-2.ttl">data-r2/optional/complex-data-2.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-complex-3.rq">data-r2/optional/q-opt-complex-3.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX    ex:   &lt;http://example.org/things#&gt;
+SELECT ?name ?nick ?plan ?dept
+WHERE 
+{ 
+    ?person 
+        a foaf:Person;
+        foaf:name ?name . 
+    GRAPH ?x { 
+        [] foaf:name ?name;
+           foaf:nick ?nick
+    } 
+    OPTIONAL { 
+        ?person ex:healthplan ?plan 
+        OPTIONAL { ?person ex:department ?dept } 
+    } 
+}
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-complex-3.ttl">data-r2/optional/result-opt-complex-3.ttl</a></p>
+<hr/>
+<h2><a name="dawg-optional-complex-4">Complex optional semantics: 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Complex optional: LeftJoin(Join(BGP(..),Union(..,..)),Join(BGP(..),Graph(varOrIRI,{..})))</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-2.ttl">data-r2/optional/complex-data-2.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div><p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl">http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/complex-data-1.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanD.
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer ;
+    ex:healthplan ex:HealthPlanC.
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer;
+    ex:healthplan ex:HealthPlanB.
+
+_:g rdf:type foaf:Person; 
+    ex:ssn &quot;000000000&quot;;
+    foaf:name   &quot;Bert&quot;;
+    ex:department &quot;DeptA&quot; ;
+    ex:healthplan ex:HealthPlanA.
+    
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-complex-4.rq">data-r2/optional/q-opt-complex-4.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX    ex:   &lt;http://example.org/things#&gt;
+SELECT ?name ?plan ?dept ?img 
+WHERE 
+{ 
+    ?person foaf:name ?name  
+    { ?person ex:healthplan ?plan } UNION { ?person ex:department ?dept } 
+    OPTIONAL { 
+        ?person a foaf:Person
+        GRAPH ?g { 
+            [] foaf:name ?name;
+               foaf:depiction ?img 
+        } 
+    } 
+}
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-complex-4.ttl">data-r2/optional/result-opt-complex-4.ttl</a></p>
+<hr/>
+<h2><a name="dawg-union-001">Union is not optional</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0006</a></div>
+<p>Union is not optional</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/data.ttl">data-r2/optional/data.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a foaf:mbox   &lt;mailto:alice@example.net&gt; .
+_:a foaf:name   &quot;Alice&quot; .
+_:a foaf:nick   &quot;WhoMe?&quot; .
+
+_:b foaf:mbox   &lt;mailto:bert@example.net&gt; .
+_:b foaf:name   &quot;Bert&quot; .
+
+_:e foaf:mbox   &lt;mailto:eve@example.net&gt; .
+_:e foaf:nick   &quot;DuckSoup&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/q-opt-3.rq">data-r2/optional/q-opt-3.rq</a><br/>
+<div class="query">
+PREFIX  foaf:   &lt;http://xmlns.com/foaf/0.1/&gt;
+
+SELECT ?mbox ?name
+   {
+     { ?x foaf:mbox ?mbox }
+   UNION 
+     { ?x foaf:mbox ?mbox . ?x foaf:name  ?name }
+   }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional/result-opt-3.ttl">data-r2/optional/result-opt-3.ttl</a></p>
+<hr/>
+<h2><a name="dawg-regex-001">regex-query-001</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html</a></div>
+<p>Simple unanchored match test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-data-01.ttl">data-r2/regex/regex-data-01.ttl</a></p>
+<div class="query">
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix ex: &lt;http://example.com/#&gt; .
+
+ex:foo rdf:value &quot;abcDEFghiJKL&quot; , &quot;ABCdefGHIjkl&quot;, &quot;0123456789&quot;,
+	&lt;http://example.com/uri&gt;, &quot;http://example.com/literal&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-query-001.rq">data-r2/regex/regex-query-001.rq</a><br/>
+<div class="query">
+PREFIX  rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX  ex: &lt;http://example.com/#&gt;
+
+SELECT ?val
+WHERE {
+	ex:foo rdf:value ?val .
+	FILTER regex(?val, &quot;GHI&quot;)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-result-001.ttl">data-r2/regex/regex-result-001.ttl</a></p>
+<hr/>
+<h2><a name="dawg-regex-002">regex-query-002</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html</a></div>
+<p>Case insensitive unanchored match test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-data-01.ttl">data-r2/regex/regex-data-01.ttl</a></p>
+<div class="query">
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix ex: &lt;http://example.com/#&gt; .
+
+ex:foo rdf:value &quot;abcDEFghiJKL&quot; , &quot;ABCdefGHIjkl&quot;, &quot;0123456789&quot;,
+	&lt;http://example.com/uri&gt;, &quot;http://example.com/literal&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-query-002.rq">data-r2/regex/regex-query-002.rq</a><br/>
+<div class="query">
+PREFIX  ex: &lt;http://example.com/#&gt;
+PREFIX  rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+
+SELECT ?val
+WHERE {
+	ex:foo rdf:value ?val .
+	FILTER regex(?val, &quot;DeFghI&quot;, &quot;i&quot;)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-result-002.ttl">data-r2/regex/regex-result-002.ttl</a></p>
+<hr/>
+<h2><a name="dawg-regex-003">regex-query-003</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html</a></div>
+<p>Use/mention test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-data-01.ttl">data-r2/regex/regex-data-01.ttl</a></p>
+<div class="query">
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix ex: &lt;http://example.com/#&gt; .
+
+ex:foo rdf:value &quot;abcDEFghiJKL&quot; , &quot;ABCdefGHIjkl&quot;, &quot;0123456789&quot;,
+	&lt;http://example.com/uri&gt;, &quot;http://example.com/literal&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-query-003.rq">data-r2/regex/regex-query-003.rq</a><br/>
+<div class="query">
+PREFIX  rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX  ex:  &lt;http://example.com/#&gt;
+
+SELECT ?val
+WHERE {
+	ex:foo rdf:value ?val .
+	FILTER regex(?val, &quot;example\\.com&quot;)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-result-003.ttl">data-r2/regex/regex-result-003.ttl</a></p>
+<hr/>
+<h2><a name="dawg-regex-004">regex-query-004</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/0029.html</a></div>
+<p>str()+URI test</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-data-01.ttl">data-r2/regex/regex-data-01.ttl</a></p>
+<div class="query">
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix ex: &lt;http://example.com/#&gt; .
+
+ex:foo rdf:value &quot;abcDEFghiJKL&quot; , &quot;ABCdefGHIjkl&quot;, &quot;0123456789&quot;,
+	&lt;http://example.com/uri&gt;, &quot;http://example.com/literal&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-query-004.rq">data-r2/regex/regex-query-004.rq</a><br/>
+<div class="query">
+PREFIX  rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX  ex: &lt;http://example.com/#&gt;
+SELECT ?val
+WHERE {
+	ex:foo rdf:value ?val .
+	FILTER regex(str(?val), &quot;example\\.com&quot;)
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/regex/regex-result-004.ttl">data-r2/regex/regex-result-004.ttl</a></p>
+<hr/>
+<h2><a name="limit-1">Limit 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-01.rq">data-r2/solution-seq/slice-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+LIMIT 1
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-01.ttl">data-r2/solution-seq/slice-results-01.ttl</a></p>
+<hr/>
+<h2><a name="limit-2">Limit 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-02.rq">data-r2/solution-seq/slice-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+LIMIT 100
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-02.ttl">data-r2/solution-seq/slice-results-02.ttl</a></p>
+<hr/>
+<h2><a name="limit-3">Limit 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-03.rq">data-r2/solution-seq/slice-03.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+LIMIT 0
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-03.ttl">data-r2/solution-seq/slice-results-03.ttl</a></p>
+<hr/>
+<h2><a name="limit-4">Limit 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-04.rq">data-r2/solution-seq/slice-04.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT DISTINCT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+LIMIT 100
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-04.ttl">data-r2/solution-seq/slice-results-04.ttl</a></p>
+<hr/>
+<h2><a name="offset-1">Offset 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-10.rq">data-r2/solution-seq/slice-10.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 1
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-10.ttl">data-r2/solution-seq/slice-results-10.ttl</a></p>
+<hr/>
+<h2><a name="offset-2">Offset 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-11.rq">data-r2/solution-seq/slice-11.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 0
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-11.ttl">data-r2/solution-seq/slice-results-11.ttl</a></p>
+<hr/>
+<h2><a name="offset-3">Offset 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-12.rq">data-r2/solution-seq/slice-12.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 100
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-12.ttl">data-r2/solution-seq/slice-results-12.ttl</a></p>
+<hr/>
+<h2><a name="offset-4">Offset 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-13.rq">data-r2/solution-seq/slice-13.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT DISTINCT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 2
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-13.ttl">data-r2/solution-seq/slice-results-13.ttl</a></p>
+<hr/>
+<h2><a name="slice-1">Slice 1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-20.rq">data-r2/solution-seq/slice-20.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+LIMIT 1
+OFFSET 1
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-20.ttl">data-r2/solution-seq/slice-results-20.ttl</a></p>
+<hr/>
+<h2><a name="slice-2">Slice 2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-21.rq">data-r2/solution-seq/slice-21.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 1
+LIMIT 2
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-21.ttl">data-r2/solution-seq/slice-results-21.ttl</a></p>
+<hr/>
+<h2><a name="slice-3">Slice 3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-22.rq">data-r2/solution-seq/slice-22.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT ?v
+WHERE { [] ?p ?v }
+ORDER BY ?v
+OFFSET 100
+LIMIT 1
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-22.ttl">data-r2/solution-seq/slice-results-22.ttl</a></p>
+<hr/>
+<h2><a name="slice-4">Slice 4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-23.rq">data-r2/solution-seq/slice-23.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT  ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 2
+LIMIT 5
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-23.ttl">data-r2/solution-seq/slice-results-23.ttl</a></p>
+<hr/>
+<h2><a name="slice-5">Slice 5</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0047/31-dawg-minutes#item03</a></div>
+
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/data.ttl">data-r2/solution-seq/data.ttl</a></p>
+<div class="query">
+@prefix :  &lt;http://example.org/ns#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:x :num  &quot;1&quot;^^xsd:integer .
+:x :num  &quot;2&quot;^^xsd:integer .
+:x :num  &quot;3&quot;^^xsd:integer .
+:x :num  &quot;4&quot;^^xsd:integer .
+:x :num  &quot;1.5&quot;^^xsd:decimal .
+
+:y :num  &quot;1&quot;^^xsd:integer .
+:y :num  &quot;2&quot;^^xsd:integer .
+:y :num  &quot;3&quot;^^xsd:integer .
+
+:x :str  &quot;aaa&quot; .
+:x :str  &quot;002&quot; .
+:x :str  &quot;1&quot; .
+:x :str  &quot;AAA&quot; .
+:x :str  &quot;&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-24.rq">data-r2/solution-seq/slice-24.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/ns#&gt;
+
+SELECT  DISTINCT ?v
+WHERE { [] :num ?v }
+ORDER BY ?v
+OFFSET 2
+LIMIT 5
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/solution-seq/slice-results-24.ttl">data-r2/solution-seq/slice-results-24.ttl</a></p>
+<hr/>
+<h2><a name="dawg-sort-1">sort-1</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Alphabetic sort (ascending) on untyped literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-1.ttl">data-r2/sort/data-sort-1.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a foaf:name &quot;Eve&quot;.
+_:b foaf:name &quot;Alice&quot; .
+_:c foaf:name &quot;Fred&quot; .
+_:e foaf:name &quot;Bob&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-1.rq">data-r2/sort/query-sort-1.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?name
+WHERE { ?x foaf:name ?name }
+ORDER BY ?name
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-1.rdf">data-r2/sort/result-sort-1.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-10">sort-10</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Alphabetic sort (descending) on datatyped (string) literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-9.ttl">data-r2/sort/data-sort-9.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a foaf:name &quot;Eve&quot;^^xsd:string .
+_:b foaf:name &quot;Alice&quot;^^xsd:string .
+_:c foaf:name &quot;Fred&quot;^^xsd:string .
+_:e foaf:name &quot;Bob&quot;^^xsd:string .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-10.rq">data-r2/sort/query-sort-10.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?name
+WHERE { ?x foaf:name ?name }
+ORDER BY DESC(?name)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-10.rdf">data-r2/sort/result-sort-10.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-2">sort-2</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Alphabetic sort (descending) on untyped literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-1.ttl">data-r2/sort/data-sort-1.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a foaf:name &quot;Eve&quot;.
+_:b foaf:name &quot;Alice&quot; .
+_:c foaf:name &quot;Fred&quot; .
+_:e foaf:name &quot;Bob&quot; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-2.rq">data-r2/sort/query-sort-2.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?name
+WHERE { ?x foaf:name ?name }
+ORDER BY DESC(?name)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-2.rdf">data-r2/sort/result-sort-2.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-3">sort-3</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort on (possibly unbound) URIs</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-3.ttl">data-r2/sort/data-sort-3.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    foaf:mbox &lt;mailto:eve@work.example&gt; .
+    
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    foaf:mbox &lt;mailto:alice@work.example&gt; .
+
+_:c rdf:type foaf:Person ;
+    foaf:mbox &lt;mailto:fred@work.example&gt; ;
+    foaf:name &quot;Fred&quot; .
+
+_:e foaf:name &quot;Bob&quot; .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-3.rq">data-r2/sort/query-sort-3.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?name ?mbox
+WHERE { ?x foaf:name ?name .
+           OPTIONAL { ?x foaf:mbox ?mbox }
+      }
+ORDER BY ASC(?mbox)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-3.rdf">data-r2/sort/result-sort-3.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-4">sort-4</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort on datatyped (integer) literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-4.ttl">data-r2/sort/data-sort-4.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer .
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer .
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-4.rq">data-r2/sort/query-sort-4.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX ex:        &lt;http://example.org/things#&gt; 
+
+SELECT ?name ?emp
+WHERE { ?x foaf:name ?name ;
+           ex:empId ?emp
+      }
+ORDER BY ASC(?emp)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-4.rdf">data-r2/sort/result-sort-4.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-5">sort-5</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort first on untyped literals (ascending), then on datatyped (integer) literals (descending</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-4.ttl">data-r2/sort/data-sort-4.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer .
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23&quot;^^xsd:integer .
+
+_:f foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;30&quot;^^xsd:integer .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-5.rq">data-r2/sort/query-sort-5.rq</a><br/>
+<div class="query">
+PREFIX foaf:    &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX ex:      &lt;http://example.org/things#&gt; 
+
+SELECT ?name ?emp
+WHERE { ?x foaf:name ?name ; 
+           ex:empId ?emp 
+      }
+ORDER BY ?name DESC(?emp)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-5.rdf">data-r2/sort/result-sort-5.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-6">sort-6</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort on mixed result of uris and literals.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-6.ttl">data-r2/sort/data-sort-6.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:address &lt;http://example.org/eve&gt; .
+		
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:address &quot;Fascination Street 11&quot; .
+		
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:address &quot;fred@work.example&quot; .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:address &lt;mailto:bob@work.example&gt; .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-6.rq">data-r2/sort/query-sort-6.rq</a><br/>
+<div class="query">
+PREFIX ex:      &lt;http://example.org/things#&gt; 
+
+SELECT ?address
+WHERE { ?x ex:address ?address }
+ORDER BY ASC(?address)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-6.rdf">data-r2/sort/result-sort-6.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-7">sort-7</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort on comparable mixed typed literals (integer and float)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-7.ttl">data-r2/sort/data-sort-7.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a rdf:type foaf:Person ;
+    foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+                
+_:b rdf:type foaf:Person ;
+    foaf:name &quot;Alice&quot; ;
+    ex:empId &quot;29&quot;^^xsd:integer .
+                
+_:c rdf:type foaf:Person ;
+    foaf:name &quot;Fred&quot; ;
+    ex:empId &quot;27&quot;^^xsd:integer .
+
+_:e foaf:name &quot;Bob&quot; ;
+    ex:empId &quot;23.0&quot;^^xsd:float .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-4.rq">data-r2/sort/query-sort-4.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX ex:        &lt;http://example.org/things#&gt; 
+
+SELECT ?name ?emp
+WHERE { ?x foaf:name ?name ;
+           ex:empId ?emp
+      }
+ORDER BY ASC(?emp)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-7.rdf">data-r2/sort/result-sort-7.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-8">sort-8</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Sort on several mixed values (bnode, uri, literal)</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-8.ttl">data-r2/sort/data-sort-8.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix ex:        &lt;http://example.org/things#&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a foaf:name &quot;Eve&quot; ;
+    ex:empId &quot;9&quot;^^xsd:integer .
+
+_:f foaf:name &quot;John&quot; ;
+    ex:empId [ ex:number &quot;29&quot;^^xsd:integer ] .
+
+_:g foaf:name &quot;Dirk&quot; ;
+    ex:empId &lt;http://example.org/dirk01&gt; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-4.rq">data-r2/sort/query-sort-4.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+PREFIX ex:        &lt;http://example.org/things#&gt; 
+
+SELECT ?name ?emp
+WHERE { ?x foaf:name ?name ;
+           ex:empId ?emp
+      }
+ORDER BY ASC(?emp)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-8.rdf">data-r2/sort/result-sort-8.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-9">sort-9</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/06/26-dawg-minutes">http://www.w3.org/2007/06/26-dawg-minutes</a></div>
+<p>Alphabetic sort (ascending) on datatyped (string) literals</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-9.ttl">data-r2/sort/data-sort-9.ttl</a></p>
+<div class="query">
+@prefix rdf:    &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+_:a foaf:name &quot;Eve&quot;^^xsd:string .
+_:b foaf:name &quot;Alice&quot;^^xsd:string .
+_:c foaf:name &quot;Fred&quot;^^xsd:string .
+_:e foaf:name &quot;Bob&quot;^^xsd:string .
+
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-9.rq">data-r2/sort/query-sort-9.rq</a><br/>
+<div class="query">
+PREFIX foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+SELECT ?name
+WHERE { ?x foaf:name ?name }
+ORDER BY ?name
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-9.rdf">data-r2/sort/result-sort-9.rdf</a></p>
+<hr/>
+<h2><a name="dawg-sort-builtin">Builtin sort</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Sort by a builtin operator</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-builtin.ttl">data-r2/sort/data-sort-builtin.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:s1 :p &quot;2&quot;^^xsd:integer .
+:s2 :p &quot;300&quot;^^xsd:integer .
+:s3 :p &quot;10&quot;^^xsd:integer .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-builtin.rq">data-r2/sort/query-sort-builtin.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+  ?s :p ?o .
+} ORDER BY str(?o)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-builtin.ttl">data-r2/sort/result-sort-builtin.ttl</a></p>
+<hr/>
+<h2><a name="dawg-sort-function">Function sort</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Sort by function invocation</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-function.ttl">data-r2/sort/data-sort-function.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+
+:s1 :p &quot;2&quot; .
+:s2 :p &quot;300&quot; .
+:s3 :p &quot;10&quot; .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-function.rq">data-r2/sort/query-sort-function.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+SELECT ?s WHERE {
+  ?s :p ?o .
+} ORDER BY xsd:integer(?o)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-function.ttl">data-r2/sort/result-sort-function.ttl</a></p>
+<hr/>
+<h2><a name="dawg-sort-numbers">Expression sort</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html">http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/att-0096/21-dawg-minutes.html</a></div>
+<p>Sort by a bracketted expression</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/data-sort-numbers.ttl">data-r2/sort/data-sort-numbers.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/&gt; .
+@prefix xsd:        &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+
+:s1 :p &quot;1&quot;^^xsd:integer; :q &quot;2&quot;^^xsd:integer .
+:s2 :p &quot;10&quot;^^xsd:integer; :q &quot;20&quot;^^xsd:integer .
+:s3 :p &quot;100&quot;^^xsd:integer; :q &quot;200&quot;^^xsd:integer .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/query-sort-numbers.rq">data-r2/sort/query-sort-numbers.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/&gt;
+SELECT ?s WHERE {
+  ?s :p ?o1 ; :q ?o2 .
+} ORDER BY (?o1 + ?o2)
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/sort/result-sort-numbers.ttl">data-r2/sort/result-sort-numbers.ttl</a></p>
+<hr/>
+<h2><a name="dawg-triple-pattern-001">dawg-triple-pattern-001</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358</a></div>
+<p>Simple triple match</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/data-01.ttl">data-r2/triple-match/data-01.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/data/&gt; .
+
+:x :p :v1 .
+:x :p :v2 .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/dawg-tp-01.rq">data-r2/triple-match/dawg-tp-01.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/data/&gt;
+
+SELECT *
+WHERE { :x ?p ?q . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/result-tp-01.ttl">data-r2/triple-match/result-tp-01.ttl</a></p>
+<hr/>
+<h2><a name="dawg-triple-pattern-002">dawg-triple-pattern-002</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358</a></div>
+<p>Simple triple match</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/data-01.ttl">data-r2/triple-match/data-01.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/data/&gt; .
+
+:x :p :v1 .
+:x :p :v2 .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/dawg-tp-02.rq">data-r2/triple-match/dawg-tp-02.rq</a><br/>
+<div class="query">
+PREFIX : &lt;http://example.org/data/&gt;
+
+SELECT *
+WHERE { ?x :p ?q . }
+
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/result-tp-02.ttl">data-r2/triple-match/result-tp-02.ttl</a></p>
+<hr/>
+<h2><a name="dawg-triple-pattern-003">dawg-triple-pattern-003</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358</a></div>
+<p>Simple triple match - repeated variable</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/data-02.ttl">data-r2/triple-match/data-02.ttl</a></p>
+<div class="query">
+@prefix : &lt;http://example.org/data/&gt; .
+
+
+:y :y :x .
+:x :y :y .
+:y :x :y .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/dawg-tp-03.rq">data-r2/triple-match/dawg-tp-03.rq</a><br/>
+<div class="query">
+SELECT *
+WHERE { ?a ?a ?b . }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/result-tp-03.ttl">data-r2/triple-match/result-tp-03.ttl</a></p>
+<hr/>
+<h2><a name="dawg-triple-pattern-004">dawg-triple-pattern-004</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358">http://lists.w3.org/Archives/Public/public-rdf-dawg/2005JanMar/0358</a></div>
+<p>Simple triple match - two triples, common variable</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/dawg-data-01.ttl">data-r2/triple-match/dawg-data-01.ttl</a></p>
+<div class="query">
+@prefix foaf:       &lt;http://xmlns.com/foaf/0.1/&gt; .
+@prefix rdf:        &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix rdfs:	    &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
+
+_:alice
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Alice&quot; ;
+    foaf:mbox       &lt;mailto:alice@work&gt; ;
+    foaf:knows      _:bob ;
+    .
+
+_:bob
+    rdf:type        foaf:Person ;
+    foaf:name       &quot;Bob&quot; ; 
+    foaf:knows      _:alice ;
+    foaf:mbox       &lt;mailto:bob@work&gt; ;
+    foaf:mbox       &lt;mailto:bob@home&gt; ;
+    .
+
+
+_:eve
+    rdf:type      foaf:Person ;
+    foaf:name     &quot;Eve&quot; ; 
+    foaf:knows    _:fred ;
+    .
+
+_:fred
+    rdf:type      foaf:Person ;
+    foaf:mbox     &lt;fred@edu&gt; .
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/dawg-tp-04.rq">data-r2/triple-match/dawg-tp-04.rq</a><br/>
+<div class="query">
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; 
+PREFIX  foaf:       &lt;http://xmlns.com/foaf/0.1/&gt;
+
+SELECT ?name
+WHERE {
+  ?x rdf:type foaf:Person .
+  ?x foaf:name ?name .
+}
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/triple-match/result-tp-04.ttl">data-r2/triple-match/result-tp-04.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-01">tP-double-double</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-double-double.rq">data-r2/type-promotion/tP-double-double.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:double1 rdf:value ?l .
+         t:double1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:double ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-02">tP-double-float</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-double-float.rq">data-r2/type-promotion/tP-double-float.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:double1 rdf:value ?l .
+         t:float1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:double ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-03">tP-double-decimal</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-double-decimal.rq">data-r2/type-promotion/tP-double-decimal.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:double1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:double ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-04">tP-float-float</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-float-float.rq">data-r2/type-promotion/tP-float-float.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:float1 rdf:value ?l .
+         t:float1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:float ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-05">tP-float-decimal</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-float-decimal.rq">data-r2/type-promotion/tP-float-decimal.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:float1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:float ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-06">tP-decimal-decimal</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-decimal-decimal.rq">data-r2/type-promotion/tP-decimal-decimal.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:decimal1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:decimal ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-07">tP-integer-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-integer-short.rq">data-r2/type-promotion/tP-integer-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:integer1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-08">tP-nonPositiveInteger-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-nonPositiveInteger-short.rq">data-r2/type-promotion/tP-nonPositiveInteger-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:nonPositiveIntegerN1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-09">tP-negativeInteger-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-negativeInteger-short.rq">data-r2/type-promotion/tP-negativeInteger-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:negativeIntegerN1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-10">tP-long-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-long-short.rq">data-r2/type-promotion/tP-long-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:long1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-11">tP-int-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-int-short.rq">data-r2/type-promotion/tP-int-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:int1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-12">tP-short-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-short.rq">data-r2/type-promotion/tP-short-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-13">tP-byte-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-byte-short.rq">data-r2/type-promotion/tP-byte-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:byte1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-14">tP-nonNegativeInteger-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-nonNegativeInteger-short.rq">data-r2/type-promotion/tP-nonNegativeInteger-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:nonNegativeInteger1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-15">tP-unsignedLong-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-unsignedLong-short.rq">data-r2/type-promotion/tP-unsignedLong-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:unsignedLong1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-16">tP-unsignedInt-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-unsignedInt-short.rq">data-r2/type-promotion/tP-unsignedInt-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:unsignedInt1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-17">tP-unsignedShort-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-unsignedShort-short.rq">data-r2/type-promotion/tP-unsignedShort-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:unsignedShort1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-18">tP-unsignedByte-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-unsignedByte-short.rq">data-r2/type-promotion/tP-unsignedByte-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:unsignedByte1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-19">tP-positiveInteger-short</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-positiveInteger-short.rq">data-r2/type-promotion/tP-positiveInteger-short.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:positiveInteger1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:integer ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-20">tP-short-double</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-double.rq">data-r2/type-promotion/tP-short-double.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:double1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:double ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-21">tP-short-float</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-float.rq">data-r2/type-promotion/tP-short-float.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:float1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:float ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-22">tP-short-decimal</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-decimal.rq">data-r2/type-promotion/tP-short-decimal.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:decimal ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/true.ttl">data-r2/type-promotion/true.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-23">tP-short-short-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-short-fail.rq">data-r2/type-promotion/tP-short-short-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:short ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-24">tP-byte-short-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-byte-short-fail.rq">data-r2/type-promotion/tP-byte-short-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:byte1 rdf:value ?l .
+         t:short1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:short ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-25">tP-short-long-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-long-fail.rq">data-r2/type-promotion/tP-short-long-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:long1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:decimal ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-26">tP-short-int-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-int-fail.rq">data-r2/type-promotion/tP-short-int-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:int1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:float ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-27">tP-short-byte-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-short-byte-fail.rq">data-r2/type-promotion/tP-short-byte-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:short1 rdf:value ?l .
+         t:byte1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:double ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-28">tP-double-float-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-double-float-fail.rq">data-r2/type-promotion/tP-double-float-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:double1 rdf:value ?l .
+         t:float1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:float ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-29">tP-double-decimal-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-double-decimal-fail.rq">data-r2/type-promotion/tP-double-decimal-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:double1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:decimal ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<h2><a name="type-promotion-30">tP-float-decimal-fail</a></h2>
+Query evaluation test
+<div class="approval">Approved by <a href="http://www.w3.org/2007/07/17-dawg-minutes">http://www.w3.org/2007/07/17-dawg-minutes</a></div>
+<p>Positive test: product of type promotion within the xsd:decimal type tree.</p>
+<h3>Default Graph</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP.ttl">data-r2/type-promotion/tP.ttl</a></p>
+<div class="query">
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+@prefix rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt; .
+@prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
+@prefix t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt; .
+
+t:decimal1		rdf:value	&quot;1&quot;^^xsd:decimal .
+t:float1		rdf:value	&quot;1&quot;^^xsd:float .
+t:double1		rdf:value	&quot;1&quot;^^xsd:double .
+t:booleanT		rdf:value	&quot;true&quot;^^xsd:boolean .
+t:dateTime1		rdf:value	&quot;2005-01-14T12:34:56&quot;^^xsd:dateTime .
+
+# types derived from xsd:decimal: 
+
+ t:integer1		rdf:value	&quot;1&quot;^^xsd:integer .
+  t:nonPositiveIntegerN1	rdf:value	&quot;-1&quot;^^xsd:nonPositiveInteger .
+   t:negativeIntegerN1	rdf:value	&quot;-1&quot;^^xsd:negativeInteger .
+  t:long1		rdf:value	&quot;1&quot;^^xsd:long .
+   t:int1		rdf:value	&quot;1&quot;^^xsd:int .
+    t:short1		rdf:value	&quot;1&quot;^^xsd:short .
+     t:byte1		rdf:value	&quot;1&quot;^^xsd:byte .
+  t:nonNegativeInteger1	rdf:value	&quot;1&quot;^^xsd:nonNegativeInteger .
+   t:unsignedLong1	rdf:value	&quot;1&quot;^^xsd:unsignedLong .
+    t:unsignedInt1	rdf:value	&quot;1&quot;^^xsd:unsignedInt .
+     t:unsignedShort1	rdf:value	&quot;1&quot;^^xsd:unsignedShort .
+      t:unsignedByte1	rdf:value	&quot;1&quot;^^xsd:unsignedByte .
+   t:positiveInteger1	rdf:value	&quot;1&quot;^^xsd:positiveInteger .
+
+
+</div>
+<h3>Named Graphs</h3>
+
+<h3>Query</h3>
+<a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/tP-float-decimal-fail.rq">data-r2/type-promotion/tP-float-decimal-fail.rq</a><br/>
+<div class="query">
+# Positive test: product of type promotion within the xsd:decimal type tree.
+# $Id: r2.html,v 1.9 2007/10/13 02:37:32 lfeigenb Exp $
+
+PREFIX t: &lt;http://www.w3.org/2001/sw/DataAccess/tests/data/TypePromotion/tP-0#&gt;
+PREFIX rdf: &lt;http://www.w3.org/1999/02/22-rdf-syntax-ns#&gt;
+PREFIX xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt;
+ASK
+ WHERE { t:float1 rdf:value ?l .
+         t:decimal1 rdf:value ?r .
+         FILTER ( datatype(?l + ?r) = xsd:decimal ) }
+
+</div>
+<h3>Results</h3>
+<p><a href="http://www.w3.org/2001/sw/DataAccess/tests/data-r2/type-promotion/false.ttl">data-r2/type-promotion/false.ttl</a></p>
+<hr/>
+<pre id="license">
+W3C(R) SOFTWARE NOTICE AND LICENSE
+http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
+
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+licensee) agree that you have read, understood, and will comply with the
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+
+Permission to copy, modify, and distribute this software and its
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+
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+   and conditions. If none exist, the W3C Software Short Notice should be
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+
+THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS
+MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
+NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR
+PURPOSE OR THAT THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE
+ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
+
+COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
+CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR
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+The name and trademarks of copyright holders may NOT be used in advertising
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+</pre>
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