@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/aircraft>
  skos:prefLabel "aircraft"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/helicopters> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/helicopters> .

<https://concepts.sagepub.com/social-science/concept/helicopters>
  skos:definition "Helicopters are the most common type of rotary-wing aircraft, which generate lift through the revolution of wings (rotor blades) around a mast. In the case of helicopters, these rotors are driven by one or more engines throughout the flight, and the rotors also provide multidirectional thrust. [Source: <a href=\"https://sk.sagepub.com/reference/encyclopedia-of-transportation/n245.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Transportation: Social Science and Policy; Helicopters</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/aircraft> ;
  skos:prefLabel "helicopters"@en ;
  a skos:Concept .