tests/3/test1.rdf

<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#">
  <owl:AllDisjointProperties rdf:about="http://www.example.org#z">
    <owl:members rdf:parseType="Collection">
      <rdf:Description rdf:about="http://www.example.org#p1"/>
      <rdf:Description rdf:about="http://www.example.org#p2"/>
      <rdf:Description rdf:about="http://www.example.org#p3"/>
    </owl:members>
  </owl:AllDisjointProperties>
  <rdf:Description rdf:about="http://www.example.org#s">
    <ex:p1 rdf:resource="http://www.example.org#o"/>
    <ex:p2 rdf:resource="http://www.example.org#o"/>
  </rdf:Description>
</rdf:RDF>