assertion  retraction  graph  subject       predicate        object    datatype    annotation
1          0           graph  DOID:0050638  rdfs:subClassOf  DOID:655  _IRI        
1          0           graph  DOID:2978     rdfs:subClassOf  DOID:655  _IRI        
1          0           graph  DOID:655      oio:id           DOID:655  xsd:string  
1          0           graph  DOID:896      rdfs:subClassOf  DOID:655  _IRI        
1          0           graph  DOID:2345     rdfs:subClassOf  DOID:655  _IRI        
1          0           graph  DOID:13268    rdfs:subClassOf  DOID:655  _IRI        
1          0           graph  DOID:3211     rdfs:subClassOf  DOID:655  _IRI