assertion  retraction  graph  subject    predicate            object                          datatype    annotation
1          0           graph  DOID:6208  oio:hasDbXref        NCI:C6615                       xsd:string  
1          0           graph  DOID:6208  rdfs:subClassOf      DOID:4050                       _IRI        
1          0           graph  DOID:6208  rdf:type             owl:Class                       _IRI        
1          0           graph  DOID:6208  oio:inSubset         obo:doid#NCIthesaurus           _IRI        
1          0           graph  DOID:6208  oio:hasExactSynonym  Osteosarcoma of mediastinum     @en         
1          0           graph  DOID:6208  rdfs:subClassOf      DOID:3347                       _IRI        
1          0           graph  DOID:6208  oio:hasDbXref        UMLS_CUI:C1334675               xsd:string  
1          0           graph  DOID:6208  rdfs:label           mediastinal osteogenic sarcoma  xsd:string  
1          0           graph  DOID:6208  oio:id               DOID:6208                       xsd:string  
1          0           graph  DOID:6208  oio:hasOBONamespace  disease_ontology                xsd:string