assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:270 IAO:0000115 A sarcoma and malignant non-epithelial hepatic and intrahepatic bile duct neoplasm sthat is located_in the liver. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancersupportivecare.com/liver.html""}]}"