assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:6282 rdfs:label Onchocerca volvulus xsd:string 1 0 graph NCBITaxon:6282 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:6282 rdf:type owl:Class _IRI