<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

xmlns:owl="http://www.w3.org/2002/07/owl#"

xmlns:ex="http://example.org/"

xml:base="http://example.org/">

<owl:Ontology/>

<owl:ObjectProperty rdf:about="p"/>

<owl:Thing rdf:about="a">

<ex:p><rdf:Description rdf:nodeID="x"/></ex:p>

</owl:Thing>

</rdf:RDF>