assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:1036        rdfs:subClassOf  DOID:1240        _IRI      
1          0           graph  DOID:3577        rdfs:subClassOf  DOID:192         _IRI      
1          0           graph  DOID:4787        rdfs:subClassOf  DOID:3200        _IRI      
1          0           graph  DOID:5997        rdfs:subClassOf  DOID:10354       _IRI      
1          0           graph  DOID:5876        rdfs:subClassOf  DOID:2664        _IRI      
1          0           graph  DOID:4545        rdfs:subClassOf  DOID:3371        _IRI      
1          0           graph  DOID:5634        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:5634        rdfs:subClassOf  DOID:10283       _IRI      
1          0           graph  DOID:4303        rdfs:subClassOf  DOID:2513        _IRI      
1          0           graph  DOID:6844        rdfs:subClassOf  DOID:2671        _IRI      
1          0           graph  DOID:6844        rdfs:subClassOf  DOID:4919        _IRI      
1          0           graph  DOID:6723        rdfs:subClassOf  DOID:3280        _IRI      
1          0           graph  obo:CHEBI_33256  rdfs:subClassOf  obo:CHEBI_32988  _IRI      
1          0           graph  obo:CHEBI_23697  rdfs:subClassOf  obo:CHEBI_23132  _IRI      
1          0           graph  obo:CHEBI_25754  rdfs:subClassOf  obo:CHEBI_33575  _IRI      
1          0           graph  DOID:2598        rdfs:subClassOf  DOID:786         _IRI      
1          0           graph  DOID:2598        rdfs:subClassOf  DOID:0050621     _IRI      
1          0           graph  DOID:1025        rdfs:subClassOf  DOID:1024        _IRI      
1          0           graph  DOID:4897        rdfs:subClassOf  DOID:4606        _IRI      
1          0           graph  DOID:4897        rdfs:subClassOf  DOID:305         _IRI