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10 lines
224 B
SPARQL
10 lines
224 B
SPARQL
# Based on
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# http://lists.w3.org/Archives/Public/public-rdf-dawg/2004OctDec/0554.html
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PREFIX : <http://example.org/ns#>
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SELECT $a $c
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WHERE { $a :b $c .
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OPTIONAL { $c :d $e } .
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FILTER ( !BOUND($e) )
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}
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