assertion  retraction  graph  subject       predicate        object     datatype    annotation
1          0           graph  DOID:0050913  rdfs:subClassOf  DOID:5672  _IRI        
1          0           graph  DOID:0050688  rdfs:subClassOf  DOID:5672  _IRI        
1          0           graph  DOID:1521     rdfs:subClassOf  DOID:5672  _IRI        
1          0           graph  DOID:5672     oio:id           DOID:5672  xsd:string  
1          0           graph  DOID:14110    rdfs:subClassOf  DOID:5672  _IRI        
1          0           graph  DOID:9256     rdfs:subClassOf  DOID:5672  _IRI