assertion  retraction  graph  subject       predicate        object   datatype    annotation
1          0           graph  DOID:2519     rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:1529     rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:3856     rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:0080373  rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:48       oio:id           DOID:48  xsd:string  
1          0           graph  DOID:12336    rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:0060087  rdfs:subClassOf  DOID:48  _IRI        
1          0           graph  DOID:47       rdfs:subClassOf  DOID:48  _IRI