assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:333760 rdfs:label Human papillomavirus type 16 xsd:string 1 0 graph NCBITaxon:333760 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:333760 rdf:type owl:Class _IRI