assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:11723 rdfs:label Simian immunodeficiency virus xsd:string 1 0 graph NCBITaxon:11723 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:11723 rdf:type owl:Class _IRI