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JavaScript sem.isBlank

MarkLogic Server 11.0 Product Documentation
sem:isBlank

sem:isBlank(
   $value as xs:anyAtomicType
) as xs:boolean

Summary

Returns true if the argument is an RDF blank node - that is, derived from type sem:blank. This XQuery function backs up the SPARQL isBlank() function.

This function is a built-in.

Parameters
value The value to test.

Example

sem:isBlank(sem:bnode())
=>
true

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