assertion  retraction  graph  subject    predicate            object                                      datatype    annotation
1          0           graph  DOID:6697  rdfs:label           asynchronous multifocal osteogenic sarcoma  xsd:string  
1          0           graph  DOID:6697  oio:inSubset         obo:doid#NCIthesaurus                       _IRI        
1          0           graph  DOID:6697  oio:id               DOID:6697                                   xsd:string  
1          0           graph  DOID:6697  oio:hasOBONamespace  disease_ontology                            xsd:string  
1          0           graph  DOID:6697  oio:hasDbXref        UMLS_CUI:C1332342                           xsd:string  
1          0           graph  DOID:6697  oio:hasDbXref        NCI:C6472                                   xsd:string  
1          0           graph  DOID:6697  rdfs:subClassOf      DOID:3360                                   _IRI        
1          0           graph  DOID:6697  rdf:type             owl:Class                                   _IRI