@prefix rdf: . @prefix ns1: . _:vb594569 rdf:first ns1:qualifiedPrimarySource ; rdf:rest _:vb594570 . @prefix pwdr: . @prefix ns3: . _:vb594569 pwdr:describedby ns3:prov . _:vb594570 rdf:first ns1:entity ; rdf:rest rdf:nil ; pwdr:describedby ns3:prov .