assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:0081418  rdfs:subClassOf  DOID:4242  _IRI        
1          0           graph  DOID:5983     rdfs:subClassOf  DOID:4242  _IRI        
1          0           graph  DOID:5982     rdfs:subClassOf  DOID:4242  _IRI        
1          0           graph  DOID:5287     rdfs:subClassOf  DOID:4242  _IRI        
1          0           graph  DOID:4242     oio:id           DOID:4242  xsd:string  
1          0           graph  DOID:4880     rdfs:subClassOf  DOID:4242  _IRI