assertion  retraction  graph  subject     predicate        object     datatype    annotation
1          0           graph  DOID:3082   oio:id           DOID:3082  xsd:string  
1          0           graph  DOID:10316  rdfs:subClassOf  DOID:3082  _IRI        
1          0           graph  DOID:2799   rdfs:subClassOf  DOID:3082  _IRI        
1          0           graph  DOID:3770   rdfs:subClassOf  DOID:3082  _IRI