assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:117 oio:hasDbXref SNOMEDCT_US_2023_03_01:126730001 xsd:string 1 0 graph DOID:117 oio:hasDbXref UMLS_CUI:C0018809 xsd:string 1 0 graph DOID:117 oio:inSubset obo:doid#DO_rare_slim _IRI 1 0 graph DOID:117 IAO:0000115 A cardiovascular cancer located_in the heart. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Heart_cancer""}]}"