assertion  retraction  graph  subject       predicate        object      datatype  annotation
1          0           graph  DOID:3218     rdfs:subClassOf  DOID:7505   _IRI      
1          0           graph  DOID:5759     rdfs:subClassOf  DOID:3165   _IRI      
1          0           graph  DOID:5638     rdfs:subClassOf  DOID:2705   _IRI      
1          0           graph  DOID:6848     rdfs:subClassOf  DOID:6788   _IRI      
1          0           graph  DOID:5517     rdfs:subClassOf  DOID:305    _IRI      
1          0           graph  DOID:5517     rdfs:subClassOf  DOID:10534  _IRI      
1          0           graph  DOID:6727     rdfs:subClassOf  DOID:305    _IRI      
1          0           graph  DOID:6727     rdfs:subClassOf  DOID:219    _IRI      
1          0           graph  DOID:6606     rdfs:subClassOf  DOID:4471   _IRI      
1          0           graph  DOID:11811    rdfs:subClassOf  DOID:11054  _IRI      
1          0           graph  DOID:0050256  rdfs:subClassOf  DOID:331    _IRI      
1          0           graph  DOID:0050256  rdfs:subClassOf  DOID:5295   _IRI      
1          0           graph  DOID:0050256  rdfs:subClassOf  DOID:5614   _IRI      
1          0           graph  DOID:0050256  rdfs:subClassOf  DOID:883    _IRI      
1          0           graph  DOID:811      rdfs:subClassOf  DOID:65     _IRI      
1          0           graph  DOID:3449     rdfs:subClassOf  DOID:11615  _IRI      
1          0           graph  DOID:3449     rdfs:subClassOf  DOID:305    _IRI      
1          0           graph  DOID:4659     rdfs:subClassOf  DOID:3664   _IRI      
1          0           graph  DOID:4659     rdfs:subClassOf  DOID:349    _IRI      
1          0           graph  DOID:6958     rdfs:subClassOf  DOID:6003   _IRI