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Is SPARQL "OPTIONAL" supported in SEM_MATCH?

655977Aug 20 2008 — edited Aug 28 2008
I am using 11g and have some SPARQL statements that use FILTER and OPTIONAL clauses. I see SEM_MATCH can take filter. Does SEM_MATCH support OPTIONAL? The Jena adapter example (jenadrv_ex.java) has the SPARQL with FILTER and OPTIONAL.

Is the Jena adaptor api implemented on top of SEM_MATCH api or SEM_MATCH on top of jena adaptor api?

Thank you.

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Locked on Sep 25 2008
Added on Aug 20 2008
#database-key-features, #rdf-graph-property-graph
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