assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:5303        rdfs:subClassOf  DOID:3702        _IRI      
1          0           graph  DOID:7602        rdfs:subClassOf  DOID:3376        _IRI      
1          0           graph  DOID:960         rdfs:subClassOf  DOID:0050624     _IRI      
1          0           graph  DOID:960         rdfs:subClassOf  DOID:6050        _IRI      
1          0           graph  DOID:2146        rdfs:subClassOf  DOID:2394        _IRI      
1          0           graph  DOID:2146        rdfs:subClassOf  DOID:1115        _IRI      
1          0           graph  DOID:4687        rdfs:subClassOf  DOID:3963        _IRI      
1          0           graph  DOID:3356        rdfs:subClassOf  DOID:3347        _IRI      
1          0           graph  DOID:2025        rdfs:subClassOf  DOID:3594        _IRI      
1          0           graph  DOID:5897        rdfs:subClassOf  DOID:0060112     _IRI      
1          0           graph  DOID:3114        rdfs:subClassOf  DOID:3111        _IRI      
1          0           graph  DOID:4324        rdfs:subClassOf  DOID:174         _IRI      
1          0           graph  DOID:6865        rdfs:subClassOf  DOID:2870        _IRI      
1          0           graph  DOID:5534        rdfs:subClassOf  DOID:4919        _IRI      
1          0           graph  DOID:5534        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:4203        rdfs:subClassOf  DOID:4706        _IRI      
1          0           graph  DOID:0060085     rdfs:subClassOf  DOID:0060072     _IRI      
1          0           graph  obo:CHEBI_24433  rdfs:subClassOf  obo:CHEBI_24431  _IRI      
1          0           graph  obo:CHEBI_37622  rdfs:subClassOf  obo:CHEBI_36963  _IRI      
1          0           graph  obo:CHEBI_37622  rdfs:subClassOf  obo:CHEBI_35352  _IRI