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• nilFunctionCall.xsparql

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xsparql.base-1.1.nilFunctionCall.xsparql Maven / Gradle / Ivy

prefix foaf : 
prefix : 

	{
	for $name $friendsName
	from 
  	where { 
  		$person foaf:knows $friend ; foaf:name $name .
  		$friend foaf:name $friendName
  		filter :nilFunction()
  	}
  	return 
		{$friendName}
	}