assertion  retraction  graph  subject       predicate        object        datatype  annotation
1          0           graph  DOID:2155     rdfs:subClassOf  DOID:2156     _IRI      
1          0           graph  DOID:4696     rdfs:subClassOf  DOID:4697     _IRI      
1          0           graph  DOID:4454     rdfs:subClassOf  DOID:4450     _IRI      
1          0           graph  DOID:3002     rdfs:subClassOf  DOID:2394     _IRI      
1          0           graph  DOID:3002     rdfs:subClassOf  DOID:169      _IRI      
1          0           graph  DOID:5301     rdfs:subClassOf  DOID:3706     _IRI      
1          0           graph  DOID:6511     rdfs:subClassOf  DOID:5350     _IRI      
1          0           graph  DOID:7600     rdfs:subClassOf  DOID:6477     _IRI      
1          0           graph  DOID:65       rdfs:subClassOf  DOID:17       _IRI      
1          0           graph  DOID:0050161  rdfs:subClassOf  DOID:1579     _IRI      
1          0           graph  DOID:1176     rdfs:subClassOf  DOID:0050161  _IRI      
1          0           graph  DOID:3596     rdfs:subClassOf  DOID:3594     _IRI      
1          0           graph  DOID:4685     rdfs:subClassOf  DOID:294      _IRI      
1          0           graph  DOID:4685     rdfs:subClassOf  DOID:4531     _IRI      
1          0           graph  DOID:3354     rdfs:subClassOf  DOID:0080639  _IRI      
1          0           graph  DOID:5895     rdfs:subClassOf  DOID:5482     _IRI      
1          0           graph  DOID:3112     rdfs:subClassOf  DOID:299      _IRI      
1          0           graph  DOID:4322     rdfs:subClassOf  DOID:174      _IRI      
1          0           graph  DOID:5532     rdfs:subClassOf  owl:Thing     _IRI      
1          0           graph  DOID:6742     rdfs:subClassOf  DOID:6741     _IRI