assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:9741 IAO:0000115 A hepatobiliary disease that is located_in the biliary tract. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://my.clevelandclinic.org/departments/digestive/medical-professionals/hepatology/gallbladder-biliary-tract-disease""}]}"