assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:2101        rdfs:subClassOf  DOID:1749        _IRI      
1          0           graph  DOID:5973        rdfs:subClassOf  DOID:5974        _IRI      
1          0           graph  DOID:4521        rdfs:subClassOf  DOID:4362        _IRI      
1          0           graph  DOID:0081094     rdfs:subClassOf  DOID:9119        _IRI      
1          0           graph  obo:CHEBI_33595  rdfs:subClassOf  obo:CHEBI_25367  _IRI      
1          0           graph  obo:CHEBI_33232  rdfs:subClassOf  obo:CHEBI_50906  _IRI      
1          0           graph  obo:CHEBI_22221  rdfs:subClassOf  obo:CHEBI_33247  _IRI      
1          0           graph  obo:CHEBI_35410  rdfs:subClassOf  obo:CHEBI_23666  _IRI      
1          0           graph  DOID:1485        rdfs:subClassOf  DOID:225         _IRI      
1          0           graph  DOID:1485        rdfs:subClassOf  DOID:0050737     _IRI      
1          0           graph  DOID:1364        rdfs:subClassOf  DOID:1350        _IRI      
1          0           graph  DOID:1243        rdfs:subClassOf  DOID:1245        _IRI      
1          0           graph  DOID:1243        rdfs:subClassOf  DOID:4159        _IRI      
1          0           graph  DOID:4994        rdfs:subClassOf  DOID:0060095     _IRI      
1          0           graph  DOID:3542        rdfs:subClassOf  DOID:3540        _IRI      
1          0           graph  DOID:3421        rdfs:subClassOf  DOID:2815        _IRI      
1          0           graph  DOID:4510        rdfs:subClassOf  DOID:0001816     _IRI      
1          0           graph  DOID:4510        rdfs:subClassOf  DOID:520         _IRI      
1          0           graph  DOID:0081083     rdfs:subClassOf  DOID:9119        _IRI      
1          0           graph  DOID:3773        rdfs:subClassOf  owl:Thing        _IRI