@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:smoky_burnt
  skos:narrower historicbook:ash ;
  a skos:Concept ;
  skos:prefLabel "Smoky / Burnt"@en .

historicbook:incense
  ns0:next historicbook:ash ;
  a skos:Concept ;
  skos:prefLabel "Incense"@en .

historicbook:smoke
  ns0:prev historicbook:ash ;
  a skos:Concept ;
  skos:prefLabel "Smoke"@en .

historicbook:burning ns0:prev historicbook:ash .
historicbook:ash
  a skos:Concept ;
  skos:inScheme <http://data.odeuropa.eu/vocabulary/historic-book> ;
  skos:prefLabel "Ash"@en ;
  skos:broader historicbook:smoky_burnt ;
  ns0:next historicbook:smoke ;
  ns0:prev historicbook:incense .

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