assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:3457        rdfs:subClassOf  DOID:0050938     _IRI      
1          0           graph  DOID:5877        rdfs:subClassOf  DOID:0050825     _IRI      
1          0           graph  DOID:5877        rdfs:subClassOf  DOID:117         _IRI      
1          0           graph  DOID:4546        rdfs:subClassOf  DOID:4545        _IRI      
1          0           graph  DOID:5635        rdfs:subClassOf  DOID:5517        _IRI      
1          0           graph  DOID:5635        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:4304        rdfs:subClassOf  DOID:2513        _IRI      
1          0           graph  DOID:6845        rdfs:subClassOf  DOID:6888        _IRI      
1          0           graph  DOID:5514        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:5514        rdfs:subClassOf  DOID:4680        _IRI      
1          0           graph  DOID:47          rdfs:subClassOf  DOID:48          _IRI      
1          0           graph  obo:CHEBI_26712  rdfs:subClassOf  obo:CHEBI_33296  _IRI      
1          0           graph  DOID:1389        rdfs:subClassOf  DOID:574         _IRI      
1          0           graph  DOID:2599        rdfs:subClassOf  DOID:2595        _IRI      
1          0           graph  DOID:2599        rdfs:subClassOf  DOID:305         _IRI      
1          0           graph  DOID:3446        rdfs:subClassOf  DOID:3447        _IRI      
1          0           graph  DOID:2115        rdfs:subClassOf  DOID:612         _IRI      
1          0           graph  DOID:4656        rdfs:subClassOf  DOID:768         _IRI      
1          0           graph  DOID:5866        rdfs:subClassOf  DOID:3371        _IRI      
1          0           graph  DOID:3204        rdfs:subClassOf  DOID:0080690     _IRI