<rdf:RDF

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

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

xmlns:xsd="http://www.w3.org/2001/XMLSchema#"

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

xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">

<rdf:Description rdf:about="http://www.example.org#x1">

<owl:someValuesFrom rdf:resource="http://www.example.org#c"/>

<owl:onProperty>

<rdf:Description rdf:about="http://www.example.org#p1">

<rdfs:subPropertyOf rdf:resource="http://www.example.org#p2"/>

</rdf:Description>

</owl:onProperty>

</rdf:Description>

<rdf:Description rdf:about="http://www.example.org#x2">

<owl:someValuesFrom rdf:resource="http://www.example.org#c"/>

<owl:onProperty rdf:resource="http://www.example.org#p2"/>

</rdf:Description>

</rdf:RDF>