assertion  retraction  graph  subject    predicate        object     datatype  annotation
1          0           graph  DOID:4210  rdfs:subClassOf  DOID:3565  _IRI      
1          0           graph  DOID:7961  rdfs:subClassOf  DOID:3744  _IRI      
1          0           graph  DOID:7840  rdfs:subClassOf  DOID:7698  _IRI      
1          0           graph  DOID:7840  rdfs:subClassOf  DOID:4433  _IRI      
1          0           graph  DOID:3594  rdfs:subClassOf  DOID:2021  _IRI      
1          0           graph  DOID:2142  rdfs:subClassOf  DOID:730   _IRI      
1          0           graph  DOID:2142  rdfs:subClassOf  DOID:127   _IRI      
1          0           graph  DOID:4683  rdfs:subClassOf  DOID:3451  _IRI      
1          0           graph  DOID:3352  rdfs:subClassOf  DOID:3347  _IRI      
1          0           graph  DOID:2021  rdfs:subClassOf  DOID:363   _IRI      
1          0           graph  DOID:2021  rdfs:subClassOf  DOID:780   _IRI      
1          0           graph  DOID:5893  rdfs:subClassOf  DOID:5758  _IRI      
1          0           graph  DOID:4441  rdfs:subClassOf  DOID:2394  _IRI      
1          0           graph  DOID:4441  rdfs:subClassOf  DOID:2994  _IRI      
1          0           graph  DOID:3110  rdfs:subClassOf  DOID:3111  _IRI      
1          0           graph  DOID:5772  rdfs:subClassOf  DOID:3620  _IRI      
1          0           graph  DOID:5772  rdfs:subClassOf  DOID:2531  _IRI      
1          0           graph  DOID:4320  rdfs:subClassOf  DOID:3594  _IRI      
1          0           graph  DOID:5530  rdfs:subClassOf  DOID:3284  _IRI      
1          0           graph  DOID:5530  rdfs:subClassOf  DOID:1749  _IRI