assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:9550  rdfs:subClassOf  DOID:9538  _IRI        
1          0           graph  DOID:9538  oio:id           DOID:9538  xsd:string  
1          0           graph  DOID:9547  rdfs:subClassOf  DOID:9538  _IRI        
1          0           graph  DOID:9544  rdfs:subClassOf  DOID:9538  _IRI        
1          0           graph  DOID:9541  rdfs:subClassOf  DOID:9538  _IRI        
1          0           graph  DOID:9551  rdfs:subClassOf  DOID:9538  _IRI