assertion  retraction  graph  subject    predicate            object                       datatype    annotation
1          0           graph  DOID:6936  rdfs:label           ureter urothelial papilloma  xsd:string  
1          0           graph  DOID:6936  oio:inSubset         obo:doid#NCIthesaurus        _IRI        
1          0           graph  DOID:6936  oio:id               DOID:6936                    xsd:string  
1          0           graph  DOID:6936  oio:hasOBONamespace  disease_ontology             xsd:string  
1          0           graph  DOID:6936  oio:hasDbXref        UMLS_CUI:C1519823            xsd:string  
1          0           graph  DOID:6936  oio:hasDbXref        NCI:C6160                    xsd:string  
1          0           graph  DOID:6936  rdfs:subClassOf      DOID:11885                   _IRI        
1          0           graph  DOID:6936  rdf:type             owl:Class                    _IRI