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<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-GB" xml:lang="en-GB" xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DAWG: Implementation Reporting - EARL results</title> <link rel="stylesheet" type="text/css" href="http://www.w3.org/StyleSheets/TR/base.css" /> <style type="text/css"> pre.diag { background-color: #f0f0f0 ; padding: 0.5em ; border: 1px solid black ; margin-right: 4em ; } span.code { font-family: monospace;} pre.cvs-id {color: gray} #tableResult td, th { padding-left:0.5em; padding-right: 0.5em; padding-top:0.2ex ; padding-bottom:0.2ex ;} </style> <meta name="RCS-Id" content="$Id: earl.html,v 1.3 2007/08/12 17:54:28 lfeigenb Exp $" /> </head> <body> <div class="head"> <a href="http://www.w3.org/"><img height="48" width="72" alt="W3C" src=" http://www.w3.org/Icons/w3c_home" /></a> <h1 id="main">DAWG: Implementation Reporting - EARL results</h1> <dl> <dd> </dd> <dt>Document Editor</dt> <dd><a href="mailto:feigenbl@us.ibm.com">Lee Feigenbaum</a> – invited expert</dd> <dt>Version:</dt> <dd><code>$Revision: 1.3 $</code></dd> </dl> <p class="copyright"><a href=" http://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2004 <a href="http://www.w3.org/"><acronym title=" World Wide Web Consortium">W3C</acronym></a><sup>®</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></div> <hr title="Separator for header" /> <div> <h2 id="abstract">Abstract</h2> <p>This document describes the use of <a href="http://www.w3.org/TR/EARL10-Schema/">EARL</a> by the <a href="http://www.w3.org/2001/sw/DataAccess/">RDF Data Access Working Group</a>. The Working Group is using EARL to collect reports of implementations' experience running the group's <a href="http://www.w3.org/2001/sw/DataAccess/tests/r2">test suite</a>.</p> </div> <div> <h2><a name="status" id="status">Status of This Document</a></h2> <p>Working Document.</p> </div> <hr /> <p> The <a href="http://www.w3.org/2001/sw/DataAccess/">RDF Data Access Working Group</a> (DAWG) uses a test-driven process. The <a href="r2">test area</a> is a collection of collection of the current test cases of the working group. </p> <p>As one of the exit criteria to transition the <a href="http://www.w3.org/TR/rdf-sparql-query/">SPARQL Query Language</a> specification to <a href="http://www.w3.org/2004/02/Process-20040205/tr.html#RecsPR">Proposed Recommendation</a> the group is seeking to demonstrate that <blockquote> <i>Each identified SPARQL feature has at least two implementations.</i> </blockquote> To do this, the group is asking for implementors of SPARQL to run their implementations against the <a href="r2">test suite</a> and report the results to the group. Reports can be submitted to <tt>public-rdf-dawg-comments@w3.org</tt>, a mailing list with a public archive. This document presents an example of EARL results and highlights a few best practices that will help the Working Group produce the implementation report. </p> <h4>The Structure of an EARL Report</h4> <p><i>(In this section, the <tt>earl:</tt> prefix is shorthand for <tt>http://www.w3.org/ns/earl#</tt>.)</i></p> <p>An <a href="http://www.w3.org/TR/EARL10-Schema/">EARL</a> report consists of one <tt>earl:assertion</tt> per test run. Each assertion is <tt>earl:assertedBy</tt> the person or software that is responsible for running the test. Each assertion references the test being run via the <tt>earl:test</tt> predicate and identifies the implementation being tested via the <tt>earl:subject</tt> predicate.</p> <p>The result of the single test run against an implementation is given by the <tt>earl:result</tt> predicate. The object of this predicate is an <tt>earl:TestResult</tt> that uses the <tt>earl:outcome</tt> predicate to specify the test's result (e.g. <tt>earl:pass</tt>, but see the EARL Schema for other possible <a href="http://www.w3.org/TR/EARL10-Schema/#outcomevalue">outcome values</a>). <h4>Best Practices for Reporting EARL to the DAWG</h4> <p>In order to assemble a consistent implementation report, the DAWG asks that EARL reports submitted to the group observe the following conventions:</p> <ul> <li>An EARL assertor (the object of <tt>earl;assertedBy</tt>) can be a URI or a blank node, but should itself contain a <tt>foaf:homepage</tt> triple that uniquely identifies the assertor.</li> <li>The object of <tt>earl:subject</tt> should be a URI. We use the <a href="http://usefulinc.com/doap/">DOAP</a> vocabulary to provide further information on the implementation being tested.</li> <li>The canonical URIs for a test (the objects of <tt>earl:test</tt>) should be based on the test's URI as given by its manifest file. (For example, <tt>http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/manifest#dawg-graph-01</tt>.) </ul> <h4>Example EARL</h4> <p>The following example of EARL reporting is excerpted from <a href="http://lists.w3.org/Archives/Public/public-rdf-dawg/2007JulSep/0005.html">an example report</a> by DAWG participant Chimezie Ogbuji.</p> <pre> @prefix _6: <http://>. @prefix _7: <http://www.w3.org/2001/sw/DataAccess/tests/data-r2/graph/manifest#>. @prefix _8: <http://purl.org/net/chimezie/foaf#>. @prefix _9: <http://purl.org/net/chimezie/>. @prefix doap: <http://usefulinc.com/ns/doap#>. @prefix earl: <http://www.w3.org/ns/earl#>. @prefix foaf: <http://xmlns.com/foaf/0.1/>. @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>. @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>. @prefix xml: <http://www.w3.org/XML/1998/namespace>. _8:chime a foaf:Person; rdfs:seeAlso _9:foaf; foaf:homepage <http://metacognition.info>; foaf:name "Chimezie Ogbuji". <http://rdflib.net> a doap:Project; doap:name "RDFLib"; doap:release [ a doap:Version; doap:created "2007-07-06"^^<http://www.w3.org/2001/XMLSchema#date>; doap:name "rdflib-2.4.1.dev-r1155"]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-02]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-01]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-05]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-10]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-08]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-03]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-06]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-04]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-11]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-07]. [ a earl:Assertion; earl:assertedBy _8:chime; earl:result [ a earl:TestResult; earl:outcome earl:pass]; earl:subject <http://rdflib.net>; earl:test _7:dawg-graph-09]. </pre> <p> </p> </body> </html>