assertion  retraction  graph  subject    predicate            object                       datatype    annotation
1          0           graph  DOID:7903  rdfs:label           intracranial chondrosarcoma  xsd:string  
1          0           graph  DOID:7903  oio:inSubset         obo:doid#NCIthesaurus        _IRI        
1          0           graph  DOID:7903  oio:id               DOID:7903                    xsd:string  
1          0           graph  DOID:7903  oio:hasOBONamespace  disease_ontology             xsd:string  
1          0           graph  DOID:7903  oio:hasDbXref        UMLS_CUI:C1334238            xsd:string  
1          0           graph  DOID:7903  oio:hasDbXref        NCI:C5462                    xsd:string  
1          0           graph  DOID:7903  rdfs:subClassOf      DOID:4549                    _IRI        
1          0           graph  DOID:7903  rdf:type             owl:Class                    _IRI