assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:4938        rdfs:subClassOf  DOID:299         _IRI      
1          0           graph  DOID:4938        rdfs:subClassOf  DOID:4939        _IRI      
1          0           graph  DOID:3607        rdfs:subClassOf  DOID:3608        _IRI      
1          0           graph  DOID:4817        rdfs:subClassOf  DOID:0080321     _IRI      
1          0           graph  obo:CHEBI_36916  rdfs:subClassOf  obo:CHEBI_24870  _IRI      
1          0           graph  DOID:0050898     rdfs:subClassOf  DOID:2602        _IRI      
1          0           graph  DOID:0050898     rdfs:subClassOf  DOID:0060094     _IRI      
1          0           graph  DOID:3959        rdfs:subClassOf  DOID:3948        _IRI      
1          0           graph  DOID:3959        rdfs:subClassOf  DOID:299         _IRI      
1          0           graph  DOID:3717        rdfs:subClassOf  DOID:299         _IRI      
1          0           graph  DOID:3717        rdfs:subClassOf  DOID:5517        _IRI      
1          0           graph  DOID:4927        rdfs:subClassOf  DOID:4928        _IRI      
1          0           graph  DOID:0060688     rdfs:subClassOf  DOID:6713        _IRI      
1          0           graph  DOID:0060688     rdfs:subClassOf  DOID:0060090     _IRI      
1          0           graph  DOID:0060688     rdfs:subClassOf  DOID:255         _IRI      
1          0           graph  DOID:3948        rdfs:subClassOf  DOID:305         _IRI      
1          0           graph  DOID:3948        rdfs:subClassOf  DOID:660         _IRI      
1          0           graph  NCBITaxon:543    rdfs:subClassOf  NCBITaxon:91347  _IRI      
1          0           graph  DOID:3706        rdfs:subClassOf  DOID:1963        _IRI      
1          0           graph  DOID:3706        rdfs:subClassOf  DOID:299         _IRI