assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0060116 rdfs:subClassOf DOID:3093 _IRI 1 0 graph DOID:3620 rdfs:subClassOf DOID:3093 _IRI 1 0 graph DOID:1192 rdfs:subClassOf DOID:3093 _IRI 1 0 graph DOID:171 rdfs:subClassOf DOID:3093 _IRI 1 0 graph DOID:3093 oio:id DOID:3093 xsd:string