assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3308 IAO:0000115 An embryonal cancer that is a type of germ cell tumour that is located_in the ovaries or located_in the testes. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Embryonal_carcinoma""}]}"