assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:11812 IAO:0000115 A sarcoma and malignant neoplasm of urinary bladder that is located_in the bladder. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://my.clevelandclinic.org/health/diseases/16512-genitourinary-sarcomas""}]}"