VIVO Documentation
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Using SPARQL to manage data
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ASK
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Queries
Vitro SPARQL supports ASK queries which return either true (there are triples that satisfy the pattern), or false (there are no triples that satisfy the pattern. The query below will return true in most VIVOs and false in a new VIVO.
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ASK { ?s a vivo:Relationship . } |
Additional SPARQL Resources
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Overview
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