assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:6082  rdfs:subClassOf  DOID:5557  _IRI        
1          0           graph  DOID:5557  oio:id           DOID:5557  xsd:string  
1          0           graph  DOID:5556  rdfs:subClassOf  DOID:5557  _IRI        
1          0           graph  DOID:4087  rdfs:subClassOf  DOID:5557  _IRI        
1          0           graph  DOID:4086  rdfs:subClassOf  DOID:5557  _IRI