assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:7460  rdfs:subClassOf  DOID:5514  _IRI        
1          0           graph  DOID:5514  oio:id           DOID:5514  xsd:string  
1          0           graph  DOID:7459  rdfs:subClassOf  DOID:5514  _IRI        
1          0           graph  DOID:7461  rdfs:subClassOf  DOID:5514  _IRI