assertion  retraction  graph  subject    predicate    object                                              datatype    annotation
1          0           graph  DOID:5665  IAO:0000115  An ear cancer that is located_in the external ear.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&version=20.01d&ns=ncit&code=C4652&key=943007722&b=1&n=null""}]}"