@prefix thesaurus: <http://data.silknow.org/vocabulary/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

thesaurus:441
  a skos:Concept ;
  skos:prefLabel "Puesta en carta"@es, "Messa in carta"@it, "Point paper plan"@en, "Mise en carte"@fr .

thesaurus:622
  a skos:Concept ;
  skos:prefLabel "Scheda perforata"@it, "Carton perforé"@fr, "Jacquard paper"@en, "Cartón"@es .

thesaurus:842
  a skos:Concept ;
  skos:prefLabel "Tarjeta perforada"@es, "Punched card"@en, "Carta perforata"@it, "Carte perforée"@fr .

<http://data.silknow.org/vocabulary/facet/materials>
  a skos:Collection ;
  skos:prefLabel "materials"@en ;
  skos:member <http://data.silknow.org/vocabulary/facet/paper> .

<http://data.silknow.org/vocabulary/facet/paper>
  a skos:Collection ;
  skos:prefLabel "paper"@en ;
  skos:member thesaurus:622, thesaurus:842, thesaurus:441 .