assertion  retraction  graph  subject     predicate        object     datatype    annotation
1          0           graph  DOID:219    rdfs:subClassOf  DOID:5353  _IRI        
1          0           graph  DOID:10655  rdfs:subClassOf  DOID:5353  _IRI        
1          0           graph  DOID:8826   rdfs:subClassOf  DOID:5353  _IRI        
1          0           graph  DOID:235    rdfs:subClassOf  DOID:5353  _IRI        
1          0           graph  DOID:5353   oio:id           DOID:5353  xsd:string