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• join-combo-1.xsparql

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xsparql.testcases-dawg.data-r2.algebra.join-combo-1.xsparql Maven / Gradle / Ivy

prefix :    


{for $a $y $d $z
from  where{ 
    $a :p $c optional { $a :r $d }. 
    $a $p 1 { $p a $y } union { $a $z $p } 
}
return 
 
	{$d}
	{$a}
	{$z}
	{$y}
}