assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:48 rdfs:label male reproductive system disease xsd:string 1 0 graph DOID:48 IAO:0000115 A reproductive system disease that affects male reproductive organs. xsd:string 1 0 graph DOID:48 rdfs:subClassOf DOID:15 _IRI 1 0 graph DOID:48 rdf:type owl:Class _IRI