assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:1965  rdfs:subClassOf  DOID:1964  _IRI        
1          0           graph  DOID:1964  oio:id           DOID:1964  xsd:string  
1          0           graph  DOID:1963  rdfs:subClassOf  DOID:1964  _IRI        
1          0           graph  DOID:1970  rdfs:subClassOf  DOID:1964  _IRI        
1          0           graph  DOID:5324  rdfs:subClassOf  DOID:1964  _IRI        
1          0           graph  DOID:5564  rdfs:subClassOf  DOID:1964  _IRI