assertion  retraction  graph  subject    predicate            object                                                    datatype    annotation
1          0           graph  DOID:7969  rdfs:label           nested variant infiltrating bladder urothelial carcinoma  xsd:string  
1          0           graph  DOID:7969  oio:inSubset         obo:doid#NCIthesaurus                                     _IRI        
1          0           graph  DOID:7969  oio:id               DOID:7969                                                 xsd:string  
1          0           graph  DOID:7969  oio:hasOBONamespace  disease_ontology                                          xsd:string  
1          0           graph  DOID:7969  oio:hasDbXref        UMLS_CUI:C1512741                                         xsd:string  
1          0           graph  DOID:7969  oio:hasDbXref        NCI:C39819                                                xsd:string  
1          0           graph  DOID:7969  rdfs:subClassOf      DOID:6477                                                 _IRI        
1          0           graph  DOID:7969  rdf:type             owl:Class                                                 _IRI