assertion  retraction  graph  subject    predicate            object             datatype    annotation
1          0           graph  DOID:4481  oio:hasExactSynonym  hay fever          @en         
1          0           graph  DOID:4481  oio:hasDbXref        OMIM:607154        xsd:string  
1          0           graph  DOID:4481  rdfs:label           allergic rhinitis  xsd:string  
1          0           graph  DOID:4481  rdfs:subClassOf      DOID:4483          _IRI