assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:5665  rdfs:subClassOf  DOID:5101  _IRI        
1          0           graph  DOID:5102  rdfs:subClassOf  DOID:5101  _IRI        
1          0           graph  DOID:5101  oio:id           DOID:5101  xsd:string  
1          0           graph  DOID:5099  rdfs:subClassOf  DOID:5101  _IRI