@prefix rdf: . @prefix owl: . _:vb641657 rdf:type owl:Class ; owl:unionOf _:vb641659 . @prefix pwdr: . @prefix ns3: . _:vb641657 pwdr:describedby ns3:suffixName . @prefix bibo: . _:vb641658 rdf:first bibo:Document ; rdf:rest rdf:nil ; pwdr:describedby ns3:suffixName . _:vb641659 rdf:first bibo:Collection ; rdf:rest _:vb641658 ; pwdr:describedby ns3:suffixName .