assertion  retraction  graph  subject     predicate    object                                   datatype    annotation
1          0           graph  DOID:10548  IAO:0000115  A cancer located_in the gastric cardia.  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/33758614""}]}"