assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  obo:CHEBI_26822  rdfs:subClassOf  obo:CHEBI_26835  _IRI      
1          0           graph  DOID:2698        rdfs:subClassOf  DOID:3116        _IRI      
1          0           graph  DOID:3666        rdfs:subClassOf  DOID:3664        _IRI      
1          0           graph  DOID:4876        rdfs:subClassOf  DOID:11920       _IRI      
1          0           graph  DOID:4876        rdfs:subClassOf  DOID:305         _IRI      
1          0           graph  DOID:3545        rdfs:subClassOf  DOID:3540        _IRI      
1          0           graph  DOID:3303        rdfs:subClassOf  DOID:184         _IRI      
1          0           graph  DOID:5844        rdfs:subClassOf  DOID:3393        _IRI      
1          0           graph  DOID:4513        rdfs:subClassOf  DOID:3121        _IRI      
1          0           graph  DOID:4513        rdfs:subClassOf  DOID:0001816     _IRI      
1          0           graph  DOID:0081086     rdfs:subClassOf  DOID:9119        _IRI      
1          0           graph  DOID:6933        rdfs:subClassOf  DOID:5432        _IRI      
1          0           graph  DOID:5602        rdfs:subClassOf  DOID:5604        _IRI      
1          0           graph  DOID:5602        rdfs:subClassOf  DOID:5603        _IRI      
1          0           graph  DOID:6812        rdfs:subClassOf  DOID:4851        _IRI      
1          0           graph  DOID:0060032     rdfs:subClassOf  DOID:417         _IRI      
1          0           graph  DOID:0060032     rdfs:subClassOf  DOID:17          _IRI      
1          0           graph  DOID:2687        rdfs:subClassOf  DOID:4159        _IRI      
1          0           graph  DOID:2687        rdfs:subClassOf  DOID:1115        _IRI      
1          0           graph  DOID:1114        rdfs:subClassOf  DOID:5041        _IRI