@prefix :           <http://example.org/> .
@prefix xsd:        <http://www.w3.org/2001/XMLSchema#> .
@prefix rdf:        <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:	    <http://www.w3.org/2000/01/rdf-schema#> .

:x :p 1 .
:x :p :z .

:z :q "x" .
