assertion retraction graph subject predicate object datatype annotation 1 0 graph NCBITaxon:7787 rdfs:subClassOf OBI:0100026 _IRI 1 0 graph NCBITaxon:7787 rdfs:label Tetronarce californica xsd:string 1 0 graph NCBITaxon:7787 rdf:type owl:Class _IRI