assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:6083  rdfs:subClassOf  DOID:5350  _IRI        
1          0           graph  DOID:6514  rdfs:subClassOf  DOID:5350  _IRI        
1          0           graph  DOID:6512  rdfs:subClassOf  DOID:5350  _IRI        
1          0           graph  DOID:6511  rdfs:subClassOf  DOID:5350  _IRI        
1          0           graph  DOID:5350  oio:id           DOID:5350  xsd:string