@prefix mdl: <http://data.loterre.fr/ark:/67375/MDL> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

mdl:-KD3KC6RN-N
  skos:prefLabel "black hole"@en, "trou noir"@fr ;
  a skos:Concept ;
  skos:narrower mdl:-ZZN29RZ4-3 .

mdl: a skos:ConceptScheme .
mdl:-DZPMKGB6-J
  skos:prefLabel "cosmologie"@fr, "cosmology"@en ;
  a skos:Concept ;
  skos:related mdl:-ZZN29RZ4-3 .

mdl:-ZZN29RZ4-3
  skos:broader mdl:-KD3KC6RN-N ;
  skos:prefLabel "double black hole"@en, "trou noir double"@fr ;
  skos:related mdl:-DZPMKGB6-J ;
  skos:hiddenLabel "trous noirs doubles"@fr, "double black holes"@en, "Trou noirs doubles"@fr, "Double black hole"@en, "Trou noir double"@fr ;
  a skos:Concept ;
  skos:inScheme mdl: .