assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  obo:CHEBI_15705  rdfs:subClassOf  obo:CHEBI_33704  _IRI      
1          0           graph  DOID:4418        rdfs:subClassOf  DOID:3165        _IRI      
1          0           graph  DOID:4418        rdfs:subClassOf  DOID:4415        _IRI      
1          0           graph  DOID:6959        rdfs:subClassOf  DOID:5528        _IRI      
1          0           graph  DOID:5628        rdfs:subClassOf  DOID:10020       _IRI      
1          0           graph  DOID:5628        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:6838        rdfs:subClassOf  DOID:2683        _IRI      
1          0           graph  DOID:6838        rdfs:subClassOf  DOID:4895        _IRI      
1          0           graph  DOID:5507        rdfs:subClassOf  DOID:4844        _IRI      
1          0           graph  DOID:7927        rdfs:subClassOf  DOID:3279        _IRI      
1          0           graph  DOID:7806        rdfs:subClassOf  DOID:3185        _IRI      
1          0           graph  DOID:0060058     rdfs:subClassOf  DOID:0060073     _IRI      
1          0           graph  DOID:0060058     rdfs:subClassOf  DOID:2531        _IRI      
1          0           graph  DOID:1019        rdfs:subClassOf  DOID:1564        _IRI      
1          0           graph  DOID:1019        rdfs:subClassOf  DOID:104         _IRI      
1          0           graph  DOID:1019        rdfs:subClassOf  DOID:3342        _IRI      
1          0           graph  DOID:3318        rdfs:subClassOf  DOID:3314        _IRI      
1          0           graph  DOID:5859        rdfs:subClassOf  DOID:3371        _IRI      
1          0           graph  DOID:6948        rdfs:subClassOf  DOID:4716        _IRI      
1          0           graph  DOID:6827        rdfs:subClassOf  DOID:4905        _IRI