assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:5260 IAO:0000115 A colon cancer that arises from transformed cells of mesenchymal origin and is located_in the colon. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/31243197/""}]}"