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Name

IsRef — Returns true if non-blank IRI

Synopsis

IsRef ( in iri any );
 

Description

Returns true if non-blank IRI

Parameters

iri

IRI resource

Return Types

Returns 1 if the IRI is non-blank IRI. Otherwise returns 0.

Examples

Example 24.285. Simple example 

SQL>SPARQL
SELECT COUNT(DISTINCT (?o))
WHERE
  {
    ?s ?p ?o .
    FILTER ( IsRef(?o))
  }
LIMIT 10

callret-0
76027

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