assertion  retraction  graph  subject   predicate            object                 datatype    annotation
1          0           graph  DOID:184  oio:inSubset         obo:doid#NCIthesaurus  _IRI        
1          0           graph  DOID:184  oio:hasDbXref        UMLS_CUI:C0005967      xsd:string  
1          0           graph  DOID:184  oio:hasExactSynonym  osseous tumor          @en