assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:0050920  rdfs:subClassOf  DOID:8858  _IRI        
1          0           graph  DOID:0080202  rdfs:subClassOf  DOID:8858  _IRI        
1          0           graph  DOID:8858     oio:id           DOID:8858  xsd:string  
1          0           graph  DOID:5524     rdfs:subClassOf  DOID:8858  _IRI        
1          0           graph  DOID:4294     rdfs:subClassOf  DOID:8858  _IRI