assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:48 IAO:0000115 A reproductive system disease that affects male reproductive organs. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007641""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.dmu.edu/medterms/male-reproductive-system/male-reproductive-system-diseases/""}]}"