assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:5563 IAO:0000115 A teratoma that is cancerous. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://rarediseases.info.nih.gov/diseases/10646/teratoma-with-malignant-transformation""}]}"