@prefix kw5: <http://data.loterre.fr/ark:/67375/KW5> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

kw5: a skos:ConceptScheme .
kw5:-ROCH
  skos:prefLabel "Rock"@en, "Roche"@fr ;
  a isothes:ConceptGroup, skos:Collection ;
  skos:member kw5:-DL4LGMNN-J .

kw5:-DL4LGMNN-J
  skos:hiddenLabel "Craie"@fr, "Chalk"@en ;
  a skos:Concept ;
  skos:inScheme kw5: ;
  skos:prefLabel "craie"@fr, "chalk"@en .