assertion  retraction  graph  subject    predicate            object                                           datatype    annotation
1          0           graph  DOID:6931  rdfs:label           papillary extrahepatic bile duct adenocarcinoma  xsd:string  
1          0           graph  DOID:6931  oio:id               DOID:6931                                        xsd:string  
1          0           graph  DOID:6931  oio:hasOBONamespace  disease_ontology                                 xsd:string  
1          0           graph  DOID:6931  oio:hasDbXref        UMLS_CUI:C0861858                                xsd:string  
1          0           graph  DOID:6931  rdfs:subClassOf      DOID:3495                                        _IRI        
1          0           graph  DOID:6931  rdf:type             owl:Class                                        _IRI