assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:2338 IAO:0000115 A jaw cancer and mandibular disease that affects your lower jawbone. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C35178""}]}"