assertion  retraction  graph  subject       predicate        object        datatype  annotation
1          0           graph  DOID:7971     rdfs:subClassOf  DOID:6477     _IRI      
1          0           graph  DOID:0060091  rdfs:subClassOf  DOID:1287     _IRI      
1          0           graph  DOID:0060091  rdfs:subClassOf  DOID:0060085  _IRI      
1          0           graph  DOID:2394     rdfs:subClassOf  DOID:120      _IRI      
1          0           graph  DOID:2394     rdfs:subClassOf  DOID:1100     _IRI      
1          0           graph  DOID:2152     rdfs:subClassOf  DOID:305      _IRI      
1          0           graph  DOID:2152     rdfs:subClassOf  DOID:2394     _IRI      
1          0           graph  DOID:4693     rdfs:subClassOf  DOID:1192     _IRI      
1          0           graph  DOID:4451     rdfs:subClassOf  DOID:305      _IRI      
1          0           graph  DOID:4451     rdfs:subClassOf  DOID:263      _IRI      
1          0           graph  DOID:3120     rdfs:subClassOf  DOID:0080640  _IRI      
1          0           graph  DOID:3120     rdfs:subClassOf  DOID:2615     _IRI      
1          0           graph  DOID:6992     rdfs:subClassOf  DOID:1752     _IRI      
1          0           graph  DOID:6871     rdfs:subClassOf  DOID:6872     _IRI      
1          0           graph  DOID:5540     rdfs:subClassOf  DOID:1749     _IRI      
1          0           graph  DOID:5540     rdfs:subClassOf  DOID:1963     _IRI      
1          0           graph  DOID:7960     rdfs:subClassOf  DOID:4921     _IRI      
1          0           graph  DOID:1294     rdfs:subClassOf  DOID:305      _IRI      
1          0           graph  DOID:1294     rdfs:subClassOf  DOID:1245     _IRI      
1          0           graph  DOID:3593     rdfs:subClassOf  DOID:1324     _IRI