assertion  retraction  graph  subject          predicate        object           datatype  annotation
1          0           graph  DOID:2786        rdfs:subClassOf  DOID:936         _IRI      
1          0           graph  DOID:3996        rdfs:subClassOf  DOID:0050686     _IRI      
1          0           graph  DOID:3996        rdfs:subClassOf  DOID:18          _IRI      
1          0           graph  DOID:4843        rdfs:subClassOf  DOID:4844        _IRI      
1          0           graph  DOID:3512        rdfs:subClassOf  DOID:962         _IRI      
1          0           graph  obo:CHEBI_33675  rdfs:subClassOf  obo:CHEBI_33579  _IRI      
1          0           graph  DOID:0112007     rdfs:subClassOf  DOID:6255        _IRI      
1          0           graph  DOID:2775        rdfs:subClassOf  DOID:2776        _IRI      
1          0           graph  DOID:3864        rdfs:subClassOf  DOID:0050902     _IRI      
1          0           graph  DOID:3743        rdfs:subClassOf  DOID:3744        _IRI      
1          0           graph  DOID:3501        rdfs:subClassOf  DOID:3502        _IRI      
1          0           graph  DOID:5921        rdfs:subClassOf  DOID:4813        _IRI      
1          0           graph  DOID:0081284     rdfs:subClassOf  DOID:0060090     _IRI      
1          0           graph  DOID:0081042     rdfs:subClassOf  DOID:1039        _IRI      
1          0           graph  DOID:0050671     rdfs:subClassOf  DOID:1612        _IRI      
1          0           graph  DOID:1796        rdfs:subClassOf  DOID:1793        _IRI      
1          0           graph  DOID:1796        rdfs:subClassOf  DOID:1115        _IRI      
1          0           graph  DOID:2885        rdfs:subClassOf  DOID:0060087     _IRI      
1          0           graph  DOID:2764        rdfs:subClassOf  DOID:1363        _IRI      
1          0           graph  DOID:2643        rdfs:subClassOf  DOID:3316        _IRI