assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:36420 rdfs:label H1N1 swine influenza virus xsd:string 1 0 graph NCBITaxon:36420 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:36420 rdf:type owl:Class _IRI