assertion  retraction  graph  subject    predicate        object        datatype  annotation
1          0           graph  DOID:482   rdfs:subClassOf  DOID:0080320  _IRI      
1          0           graph  DOID:482   rdfs:subClassOf  DOID:574      _IRI      
1          0           graph  DOID:5287  rdfs:subClassOf  DOID:4242     _IRI      
1          0           graph  DOID:5166  rdfs:subClassOf  DOID:1380     _IRI      
1          0           graph  DOID:7586  rdfs:subClassOf  DOID:7587     _IRI      
1          0           graph  DOID:6255  rdfs:subClassOf  DOID:5395     _IRI      
1          0           graph  DOID:7223  rdfs:subClassOf  DOID:1618     _IRI      
1          0           graph  DOID:9643  rdfs:subClassOf  DOID:2789     _IRI      
1          0           graph  DOID:471   rdfs:subClassOf  DOID:255      _IRI      
1          0           graph  DOID:471   rdfs:subClassOf  DOID:3165     _IRI      
1          0           graph  DOID:350   rdfs:subClassOf  DOID:9500     _IRI      
1          0           graph  DOID:3098  rdfs:subClassOf  DOID:1115     _IRI      
1          0           graph  DOID:4066  rdfs:subClassOf  DOID:3247     _IRI      
1          0           graph  DOID:4066  rdfs:subClassOf  DOID:14110    _IRI      
1          0           graph  DOID:5276  rdfs:subClassOf  DOID:1114     _IRI      
1          0           graph  DOID:5155  rdfs:subClassOf  DOID:2001     _IRI      
1          0           graph  DOID:7696  rdfs:subClassOf  DOID:1324     _IRI      
1          0           graph  DOID:7575  rdfs:subClassOf  DOID:1795     _IRI      
1          0           graph  DOID:6244  rdfs:subClassOf  DOID:6245     _IRI      
1          0           graph  DOID:7333  rdfs:subClassOf  DOID:0050623  _IRI