IsRef
Returns true if non-blank IRI
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
SQL>SPARQL
SELECT COUNT(DISTINCT (?o))
WHERE
{
?s ?p ?o .
FILTER ( IsRef(?o))
}
LIMIT 10
callret-0
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