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Optional

Efimster edited this page Mar 23, 2014 · 3 revisions
  1. Simple
SPARQL.Optional(s: "?x", p: "foaf:mbox", o: "?mbox");//simple optional pattern 
SPARQL.Optional("?x foaf:mbox ?mbox");//simple optional pattern 
  1. Complex
SPARQL.Optional( 
              SPARQL.Triple("?x ns:price ?price"),
              SPARQL.Filter("?price < 30")
    );    //group optional pattern                  

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