assertion  retraction  graph  subject       predicate        object    datatype    annotation
1          0           graph  DOID:874      oio:id           DOID:874  xsd:string  
1          0           graph  DOID:0040084  rdfs:subClassOf  DOID:874  _IRI        
1          0           graph  DOID:0040083  rdfs:subClassOf  DOID:874  _IRI        
1          0           graph  DOID:13276    rdfs:subClassOf  DOID:874  _IRI        
1          0           graph  DOID:13272    rdfs:subClassOf  DOID:874  _IRI