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diff sparql/sparql/test/dawg/data-r2/optional-filter/expr-3.rq @ 0:7785ad38967f default tip

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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/data-r2/optional-filter/expr-3.rq	Thu Aug 25 22:14:55 2011 -0400
@@ -0,0 +1,9 @@
+PREFIX  dc: <http://purl.org/dc/elements/1.1/>
+PREFIX  x: <http://example.org/ns#>
+SELECT  ?title ?price
+WHERE
+    { ?book dc:title ?title . 
+      OPTIONAL
+        { ?book x:price ?price } . 
+      FILTER ( ( ! bound(?price) ) || ( ?price < 15 ) ) .
+    }