assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:4678        rdfs:subClassOf  DOID:4531        _IRI      
1          0           graph  DOID:4678        rdfs:subClassOf  DOID:3277        _IRI      
1          0           graph  DOID:3347        rdfs:subClassOf  DOID:0080639     _IRI      
1          0           graph  DOID:4436        rdfs:subClassOf  DOID:3565        _IRI      
1          0           graph  DOID:5767        rdfs:subClassOf  DOID:3683        _IRI      
1          0           graph  DOID:6856        rdfs:subClassOf  DOID:1660        _IRI      
1          0           graph  DOID:5525        rdfs:subClassOf  DOID:4908        _IRI      
1          0           graph  DOID:5525        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:6735        rdfs:subClassOf  DOID:956         _IRI      
1          0           graph  DOID:7945        rdfs:subClassOf  DOID:5349        _IRI      
1          0           graph  DOID:7824        rdfs:subClassOf  DOID:1140        _IRI      
1          0           graph  DOID:0060076     rdfs:subClassOf  DOID:1612        _IRI      
1          0           graph  obo:CHEBI_27933  rdfs:subClassOf  obo:CHEBI_35627  _IRI      
1          0           graph  obo:CHEBI_27933  rdfs:subClassOf  obo:CHEBI_25558  _IRI      
1          0           graph  DOID:0040100     rdfs:subClassOf  DOID:0060005     _IRI      
1          0           graph  DOID:3699        rdfs:subClassOf  DOID:3700        _IRI      
1          0           graph  DOID:1037        rdfs:subClassOf  DOID:1240        _IRI      
1          0           graph  DOID:3578        rdfs:subClassOf  DOID:0060112     _IRI      
1          0           graph  DOID:3578        rdfs:subClassOf  DOID:3301        _IRI      
1          0           graph  DOID:4788        rdfs:subClassOf  DOID:0060103     _IRI