assertion  retraction  graph  subject    predicate            object                                     datatype    annotation
1          0           graph  DOID:6696  rdfs:label           synchronous multifocal osteogenic sarcoma  xsd:string  
1          0           graph  DOID:6696  oio:inSubset         obo:doid#NCIthesaurus                      _IRI        
1          0           graph  DOID:6696  oio:id               DOID:6696                                  xsd:string  
1          0           graph  DOID:6696  oio:hasOBONamespace  disease_ontology                           xsd:string  
1          0           graph  DOID:6696  oio:hasDbXref        UMLS_CUI:C1336544                          xsd:string  
1          0           graph  DOID:6696  oio:hasDbXref        NCI:C6471                                  xsd:string  
1          0           graph  DOID:6696  rdfs:subClassOf      DOID:3360                                  _IRI        
1          0           graph  DOID:6696  rdf:type             owl:Class                                  _IRI