assertion  retraction  graph  subject    predicate        object     datatype    annotation
1          0           graph  DOID:8140  rdfs:subClassOf  DOID:3953  _IRI        
1          0           graph  DOID:5719  rdfs:subClassOf  DOID:3953  _IRI        
1          0           graph  DOID:5718  rdfs:subClassOf  DOID:3953  _IRI        
1          0           graph  DOID:3953  oio:id           DOID:3953  xsd:string  
1          0           graph  DOID:3950  rdfs:subClassOf  DOID:3953  _IRI        
1          0           graph  DOID:660   rdfs:subClassOf  DOID:3953  _IRI