assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:4934  rdfs:subClassOf  DOID:2095  _IRI        
1          0           graph  DOID:4921  rdfs:subClassOf  DOID:2095  _IRI        
1          0           graph  DOID:5667  rdfs:subClassOf  DOID:2095  _IRI        
1          0           graph  DOID:2095  oio:id           DOID:2095  xsd:string  
1          0           graph  DOID:5570  rdfs:subClassOf  DOID:2095  _IRI