assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0050613 rdfs:label bile duct carcinoma in situ xsd:string 1 0 graph DOID:0050613 oio:id DOID:0050613 xsd:string 1 0 graph DOID:0050613 oio:hasOBONamespace disease_ontology xsd:string 1 0 graph DOID:0050613 rdfs:subClassOf DOID:8719 _IRI 1 0 graph DOID:0050613 rdfs:subClassOf DOID:4138 _IRI 1 0 graph DOID:0050613 rdf:type owl:Class _IRI 1 0 graph DOID:0050613 IAO:0000115 An in situ carcinoma located_in the surface epithelium of the bile duct 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/Cholangiocarcinoma""}]}"