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

rdr: a skos:ConceptScheme .
rdr:-JMD4JQ3W-H
  skos:hiddenLabel "Microtron Racetrack"@fr, "Racetrack microtron"@en, "Microtrón Racetrack"@es, "Racetrack microtrons"@en ;
  skos:prefLabel "Racetrack microtron"@en, "microtron Racetrack"@fr, "microtrón Racetrack"@es ;
  a skos:Concept ;
  inist:semCategory "Machine / Equipement"@fr, "Machine / Equipment"@en ;
  skos:inScheme rdr: .

<http://data.loterre.fr/ark:/67375/RDR/EQUI>
  skos:prefLabel "Machine / Equipement"@fr, "Machine / Equipment"@en ;
  a isothes:ConceptGroup, skos:Collection ;
  skos:member rdr:-JMD4JQ3W-H .