@prefix historicbook: <http://data.odeuropa.eu/vocabulary/historic-book/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://dbpedia.org/property/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

historicbook:fragrant
  skos:narrower historicbook:citrus ;
  a skos:Concept ;
  skos:prefLabel "Fragrant / Vegetable / Fruity / Flowers"@en .

historicbook:burning
  ns0:next historicbook:citrus ;
  a skos:Concept ;
  skos:prefLabel "Burning"@en .

historicbook:fresh_fruit
  ns0:prev historicbook:citrus ;
  a skos:Concept ;
  skos:prefLabel "Fresh Fruit"@en .

historicbook:citrus
  a skos:Concept ;
  skos:inScheme <http://data.odeuropa.eu/vocabulary/historic-book> ;
  skos:prefLabel "Citrus"@en ;
  skos:broader historicbook:fragrant ;
  ns0:next historicbook:fresh_fruit ;
  ns0:prev historicbook:burning .

<http://data.odeuropa.eu/vocabulary/historic-book>
  a skos:ConceptScheme ;
  rdfs:label "Odour wheel of historic book"@en .