assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:6954 rdfs:label Dermatophagoides farinae xsd:string 1 0 graph NCBITaxon:6954 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:6954 rdf:type owl:Class _IRI