assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:0050934  rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:0050933  rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:3713     rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:6408     rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:6898     rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:4555     rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:6179     rdfs:subClassOf  DOID:4001  _IRI        
1          0           graph  DOID:4001     oio:id           DOID:4001  xsd:string