assertion  retraction  graph  subject    predicate            object                                  datatype    annotation
1          0           graph  DOID:6166  rdfs:label           prostatic urethra urothelial carcinoma  xsd:string  
1          0           graph  DOID:6166  oio:inSubset         obo:doid#NCIthesaurus                   _IRI        
1          0           graph  DOID:6166  oio:id               DOID:6166                               xsd:string  
1          0           graph  DOID:6166  oio:hasOBONamespace  disease_ontology                        xsd:string  
1          0           graph  DOID:6166  oio:hasDbXref        UMLS_CUI:C1514522                       xsd:string  
1          0           graph  DOID:6166  oio:hasDbXref        NCI:C39900                              xsd:string  
1          0           graph  DOID:6166  rdfs:subClassOf      DOID:6167                               _IRI        
1          0           graph  DOID:6166  rdf:type             owl:Class                               _IRI