assertion  retraction  graph  subject       predicate        object        datatype    annotation
1          0           graph  DOID:0080741  rdfs:subClassOf  DOID:0060004  _IRI        
1          0           graph  DOID:0060499  rdfs:subClassOf  DOID:0060004  _IRI        
1          0           graph  DOID:0060004  oio:id           DOID:0060004  xsd:string  
1          0           graph  DOID:8869     rdfs:subClassOf  DOID:0060004  _IRI        
1          0           graph  DOID:2377     rdfs:subClassOf  DOID:0060004  _IRI        
1          0           graph  DOID:13375    rdfs:subClassOf  DOID:0060004  _IRI