assertion  retraction  graph  subject    predicate        object    datatype  annotation
1          0           graph  DOID:2152  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:4451  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:1294  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:3284  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:5660  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:7144  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:7221  rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:293   rdfs:subClassOf  DOID:305  _IRI      
1          0           graph  DOID:5240  rdfs:subClassOf  DOID:305  _IRI