assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:7202 IAO:0000115 A malignant teratoma characterized by the presence of an intermediate amount of undifferentiated tissues. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://codes.iarc.fr/code/3630""}]}"