assertion  retraction  graph  subject    predicate            object                                     datatype    annotation
1          0           graph  DOID:3741  rdfs:label           bladder verrucous squamous cell carcinoma  xsd:string  
1          0           graph  DOID:3741  oio:inSubset         obo:doid#NCIthesaurus                      _IRI        
1          0           graph  DOID:3741  oio:id               DOID:3741                                  xsd:string  
1          0           graph  DOID:3741  oio:hasOBONamespace  disease_ontology                           xsd:string  
1          0           graph  DOID:3741  oio:hasDbXref        UMLS_CUI:C1511208                          xsd:string  
1          0           graph  DOID:3741  oio:hasDbXref        NCI:C39832                                 xsd:string  
1          0           graph  DOID:3741  rdfs:subClassOf      DOID:3742                                  _IRI        
1          0           graph  DOID:3741  rdf:type             owl:Class                                  _IRI