assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:8719     rdfs:subClassOf  DOID:0060071  _IRI        
1          0           graph  DOID:8866     rdfs:subClassOf  DOID:0060071  _IRI        
1          0           graph  DOID:5465     rdfs:subClassOf  DOID:0060071  _IRI        
1          0           graph  DOID:0060071  oio:id           DOID:0060071  xsd:string