assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:7615 IAO:0000115 A sarcoma that results_in the formation of numerous sarcomas or located_in various parts of the body. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.merriam-webster.com/dictionary/sarcomatosis""}]}"