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

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author atsuko
date Thu, 25 Aug 2011 22:14:55 -0400
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1 PREFIX dc: <http://purl.org/dc/elements/1.1/>
2 PREFIX x: <http://example.org/ns#>
3 SELECT ?title ?price
4 WHERE
5 { ?book dc:title ?title .
6 OPTIONAL
7 { ?book x:price ?price } .
8 FILTER ( ( ! bound(?price) ) || ( ?price < 15 ) ) .
9 }