assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  obo:CHEBI_26912  rdfs:subClassOf  obo:CHEBI_25693  _IRI      
1          0           graph  DOID:3998        rdfs:subClassOf  DOID:3999        _IRI      
1          0           graph  DOID:2425        rdfs:subClassOf  DOID:3165        _IRI      
1          0           graph  DOID:4845        rdfs:subClassOf  DOID:4851        _IRI      
1          0           graph  DOID:0060122     rdfs:subClassOf  DOID:7           _IRI      
1          0           graph  DOID:0060122     rdfs:subClassOf  DOID:0050686     _IRI      
1          0           graph  DOID:0112009     rdfs:subClassOf  DOID:3829        _IRI      
1          0           graph  DOID:2656        rdfs:subClassOf  DOID:1618        _IRI      
1          0           graph  DOID:1325        rdfs:subClassOf  DOID:0050615     _IRI      
1          0           graph  DOID:1325        rdfs:subClassOf  DOID:1176        _IRI      
1          0           graph  DOID:4955        rdfs:subClassOf  DOID:3620        _IRI      
1          0           graph  DOID:3503        rdfs:subClassOf  DOID:3458        _IRI      
1          0           graph  DOID:5923        rdfs:subClassOf  DOID:4897        _IRI      
1          0           graph  DOID:0081286     rdfs:subClassOf  DOID:0060103     _IRI      
1          0           graph  obo:CHEBI_33424  rdfs:subClassOf  obo:CHEBI_33241  _IRI      
1          0           graph  obo:CHEBI_33424  rdfs:subClassOf  obo:CHEBI_26835  _IRI      
1          0           graph  obo:CHEBI_24833  rdfs:subClassOf  obo:CHEBI_24651  _IRI      
1          0           graph  DOID:0060111     rdfs:subClassOf  DOID:1962        _IRI      
1          0           graph  DOID:0060111     rdfs:subClassOf  DOID:0060086     _IRI      
1          0           graph  DOID:1798        rdfs:subClassOf  DOID:1799        _IRI