assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:151341 rdfs:label Polyomaviridae xsd:string 1 0 graph NCBITaxon:151341 rdfs:subClassOf NCBITaxon:2732532 _IRI 1 0 graph NCBITaxon:151341 rdf:type owl:Class _IRI