assertion  retraction  graph  subject    predicate            object                             datatype    annotation
1          0           graph  DOID:8167  oio:id               DOID:8167                          xsd:string  
1          0           graph  DOID:8167  rdfs:subClassOf      DOID:3121                          _IRI        
1          0           graph  DOID:8167  oio:inSubset         obo:doid#NCIthesaurus              _IRI        
1          0           graph  DOID:8167  oio:hasExactSynonym  malignant melanoma of gallbladder  @en         
1          0           graph  DOID:8167  oio:hasOBONamespace  disease_ontology                   xsd:string  
1          0           graph  DOID:8167  oio:hasDbXref        UMLS_CUI:C1333749                  xsd:string  
1          0           graph  DOID:8167  rdfs:subClassOf      DOID:1909                          _IRI        
1          0           graph  DOID:8167  oio:hasDbXref        NCI:C5735                          xsd:string  
1          0           graph  DOID:8167  rdfs:label           gallbladder melanoma               xsd:string  
1          0           graph  DOID:8167  rdf:type             owl:Class                          _IRI