assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0050612 IAO:0000115 An in situ carcinoma located_in the surface epithelium of the gallbladder that most commonly develops into adenocarcinoma. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Gallbladder_cancer""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cancer.org/cancer/gallbladder-cancer/detection-diagnosis-staging/staging.html""}]}"