assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:5411        rdfs:subClassOf  DOID:5409        _IRI      
1          0           graph  DOID:6621        rdfs:subClassOf  DOID:5393        _IRI      
1          0           graph  DOID:6500        rdfs:subClassOf  DOID:305         _IRI      
1          0           graph  DOID:6500        rdfs:subClassOf  DOID:4205        _IRI      
1          0           graph  DOID:8920        rdfs:subClassOf  DOID:121         _IRI      
1          0           graph  DOID:0060083     rdfs:subClassOf  DOID:2914        _IRI      
1          0           graph  DOID:0060083     rdfs:subClassOf  DOID:0050686     _IRI      
1          0           graph  obo:CHEBI_24431  rdfs:subClassOf  obo:doid#chebi   _IRI      
1          0           graph  DOID:2133        rdfs:subClassOf  DOID:1115        _IRI      
1          0           graph  DOID:2133        rdfs:subClassOf  DOID:3620        _IRI      
1          0           graph  DOID:4553        rdfs:subClassOf  DOID:3284        _IRI      
1          0           graph  DOID:4432        rdfs:subClassOf  DOID:1799        _IRI      
1          0           graph  DOID:5763        rdfs:subClassOf  DOID:3683        _IRI      
1          0           graph  DOID:5521        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:7941        rdfs:subClassOf  DOID:4914        _IRI      
1          0           graph  DOID:6610        rdfs:subClassOf  DOID:0060094     _IRI      
1          0           graph  DOID:7820        rdfs:subClassOf  DOID:4437        _IRI      
1          0           graph  DOID:0060072     rdfs:subClassOf  DOID:14566       _IRI      
1          0           graph  obo:CHEBI_26961  rdfs:subClassOf  obo:CHEBI_38106  _IRI      
1          0           graph  obo:CHEBI_88187  rdfs:subClassOf  obo:CHEBI_17334  _IRI