assertion  retraction  graph  subject     predicate        object      datatype    annotation
1          0           graph  DOID:5997   rdfs:subClassOf  DOID:10354  _IRI        
1          0           graph  DOID:10354  oio:id           DOID:10354  xsd:string  
1          0           graph  DOID:3274   rdfs:subClassOf  DOID:10354  _IRI