assertion  retraction  graph  subject     predicate        object     datatype    annotation
1          0           graph  DOID:14150  rdfs:subClassOf  DOID:5772  _IRI        
1          0           graph  DOID:5815   rdfs:subClassOf  DOID:5772  _IRI        
1          0           graph  DOID:3234   rdfs:subClassOf  DOID:5772  _IRI        
1          0           graph  DOID:5772   oio:id           DOID:5772  xsd:string