assertion  retraction  graph  subject    predicate            object                                  datatype    annotation
1          0           graph  DOID:4522  oio:hasDbXref        NCI:C5378                               xsd:string  
1          0           graph  DOID:4522  rdfs:subClassOf      DOID:0001816                            _IRI        
1          0           graph  DOID:4522  rdf:type             owl:Class                               _IRI        
1          0           graph  DOID:4522  oio:hasOBONamespace  disease_ontology                        xsd:string  
1          0           graph  DOID:4522  oio:hasDbXref        UMLS_CUI:C1336530                       xsd:string  
1          0           graph  DOID:4522  oio:hasExactSynonym  angiosarcoma of the Superior Vena Cava  @en         
1          0           graph  DOID:4522  oio:inSubset         obo:doid#NCIthesaurus                   _IRI        
1          0           graph  DOID:4522  oio:id               DOID:4522                               xsd:string  
1          0           graph  DOID:4522  rdfs:label           superior vena cava angiosarcoma         xsd:string  
1          0           graph  DOID:4522  rdfs:subClassOf      DOID:866                                _IRI