assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1791 IAO:0000115 A peritoneum cancer that is located_in the inside of the abdomen. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cedars-sinai.org/health-library/diseases-and-conditions/p/peritoneal-cancer.html""}]}"