assertion  retraction  graph  subject    predicate            object                                            datatype    annotation
1          0           graph  DOID:7479  rdfs:label           duodenal somatostatinoma                          xsd:string  
1          0           graph  DOID:7479  oio:inSubset         obo:doid#NCIthesaurus                             _IRI        
1          0           graph  DOID:7479  oio:id               DOID:7479                                         xsd:string  
1          0           graph  DOID:7479  oio:hasOBONamespace  disease_ontology                                  xsd:string  
1          0           graph  DOID:7479  oio:hasExactSynonym  duodenal delta cell somatostatin producing tumor  @en         
1          0           graph  DOID:7479  oio:hasDbXref        UMLS_CUI:C1333320                                 xsd:string  
1          0           graph  DOID:7479  oio:hasDbXref        NCI:C27407                                        xsd:string  
1          0           graph  DOID:7479  rdfs:subClassOf      DOID:10021                                        _IRI        
1          0           graph  DOID:7479  rdf:type             owl:Class                                         _IRI