assertion  retraction  graph  subject    predicate            object                   datatype  annotation
1          0           graph  DOID:3069  rdfs:subClassOf      DOID:3620                _IRI      
1          0           graph  DOID:3069  oio:inSubset         obo:doid#NCIthesaurus    _IRI      
1          0           graph  DOID:3069  oio:hasExactSynonym  astrocytoma of Cerebrum  @en       
1          0           graph  DOID:3069  rdf:type             owl:Class                _IRI