assertion  retraction  graph  subject    predicate            object                                 datatype    annotation
1          0           graph  DOID:3379  rdfs:label           metachronous osteosarcoma of the bone  xsd:string  
1          0           graph  DOID:3379  oio:inSubset         obo:doid#NCIthesaurus                  _IRI        
1          0           graph  DOID:3379  oio:id               DOID:3379                              xsd:string  
1          0           graph  DOID:3379  oio:hasOBONamespace  disease_ontology                       xsd:string  
1          0           graph  DOID:3379  oio:hasDbXref        UMLS_CUI:C1334704                      xsd:string  
1          0           graph  DOID:3379  oio:hasDbXref        NCI:C38157                             xsd:string  
1          0           graph  DOID:3379  rdfs:subClassOf      DOID:3347                              _IRI        
1          0           graph  DOID:3379  rdf:type             owl:Class                              _IRI