assertion  retraction  graph  subject         predicate        object           datatype  annotation
1          0           graph  DOID:8970       rdfs:subClassOf  DOID:934         _IRI      
1          0           graph  DOID:3283       rdfs:subClassOf  DOID:3275        _IRI      
1          0           graph  DOID:3162       rdfs:subClassOf  DOID:1909        _IRI      
1          0           graph  DOID:4251       rdfs:subClassOf  DOID:5614        _IRI      
1          0           graph  DOID:3393       rdfs:subClassOf  DOID:0050828     _IRI      
1          0           graph  DOID:3151       rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:3151       rdfs:subClassOf  DOID:3451        _IRI      
1          0           graph  DOID:3030       rdfs:subClassOf  DOID:299         _IRI      
1          0           graph  DOID:5692       rdfs:subClassOf  DOID:3382        _IRI      
1          0           graph  obo:CHEBI_8069  rdfs:subClassOf  obo:CHEBI_22693  _IRI      
1          0           graph  DOID:3382       rdfs:subClassOf  DOID:201         _IRI      
1          0           graph  DOID:4471       rdfs:subClassOf  DOID:4450        _IRI      
1          0           graph  DOID:5681       rdfs:subClassOf  DOID:2394        _IRI      
1          0           graph  DOID:5681       rdfs:subClassOf  DOID:3308        _IRI      
1          0           graph  DOID:5560       rdfs:subClassOf  DOID:5559        _IRI      
1          0           graph  DOID:3492       rdfs:subClassOf  DOID:0060032     _IRI      
1          0           graph  DOID:3492       rdfs:subClassOf  DOID:854         _IRI      
1          0           graph  DOID:3371       rdfs:subClassOf  DOID:0080639     _IRI      
1          0           graph  DOID:3250       rdfs:subClassOf  DOID:3247        _IRI      
1          0           graph  DOID:5670       rdfs:subClassOf  DOID:0060074     _IRI