assertion  retraction  graph  subject     predicate        object      datatype    annotation
1          0           graph  DOID:11748  rdfs:subClassOf  DOID:11747  _IRI        
1          0           graph  DOID:11747  oio:id           DOID:11747  xsd:string  
1          0           graph  DOID:11746  rdfs:subClassOf  DOID:11747  _IRI        
1          0           graph  DOID:10744  rdfs:subClassOf  DOID:11747  _IRI