<rdf:RDF
  xmlns:rdf ="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
  xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
  xmlns:owl ="http://www.w3.org/2002/07/owl#"
  xmlns     ="http://jena.hpl.hp.com/2003/03/testont#"
  xml:base  ="http://jena.hpl.hp.com/2003/03/testont"
>

<owl:Ontology rdf:about="">
    <!-- circularity -->
    <owl:imports rdf:resource="file:testing/ontology/testImport4/a.owl" />
</owl:Ontology>

<Marker rdf:ID="b0" />

</rdf:RDF>