assertion  retraction  graph  subject    predicate            object                                      datatype    annotation
1          0           graph  DOID:4304  rdfs:label           signet ring basal cell carcinoma            xsd:string  
1          0           graph  DOID:4304  oio:inSubset         obo:doid#NCIthesaurus                       _IRI        
1          0           graph  DOID:4304  oio:id               DOID:4304                                   xsd:string  
1          0           graph  DOID:4304  oio:hasOBONamespace  disease_ontology                            xsd:string  
1          0           graph  DOID:4304  oio:hasExactSynonym  skin signet ring cell basal cell carcinoma  @en         
1          0           graph  DOID:4304  oio:hasDbXref        UMLS_CUI:C1519320                           xsd:string  
1          0           graph  DOID:4304  oio:hasDbXref        NCI:C38110                                  xsd:string  
1          0           graph  DOID:4304  rdfs:subClassOf      DOID:2513                                   _IRI        
1          0           graph  DOID:4304  rdf:type             owl:Class                                   _IRI