assertion  retraction  graph  subject    predicate            object                                datatype    annotation
1          0           graph  DOID:7612  rdfs:label           childhood intracortical osteosarcoma  xsd:string  
1          0           graph  DOID:7612  oio:inSubset         obo:doid#NCIthesaurus                 _IRI        
1          0           graph  DOID:7612  oio:inSubset         obo:doid#DO_cancer_slim               _IRI        
1          0           graph  DOID:7612  oio:id               DOID:7612                             xsd:string  
1          0           graph  DOID:7612  oio:hasOBONamespace  disease_ontology                      xsd:string  
1          0           graph  DOID:7612  oio:hasDbXref        UMLS_CUI:C1332974                     xsd:string  
1          0           graph  DOID:7612  oio:hasDbXref        NCI:C6590                             xsd:string  
1          0           graph  DOID:7612  rdfs:subClassOf      DOID:7602                             _IRI        
1          0           graph  DOID:7612  rdf:type             owl:Class                             _IRI