@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/mobile_telecommunication_systems>
  skos:prefLabel "mobile telecommunication systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/Morse_code>
  skos:prefLabel "Morse code"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<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/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/speech_transmission_systems>
  skos:prefLabel "speech transmission systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/telecommunication_systems>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/television_systems>, <https://concepts.sagepub.com/social-science/concept/telephone_systems>, <https://concepts.sagepub.com/social-science/concept/telegraph_systems>, <https://concepts.sagepub.com/social-science/concept/speech_transmission_systems>, <https://concepts.sagepub.com/social-science/concept/Morse_code>, <https://concepts.sagepub.com/social-science/concept/mobile_telecommunication_systems> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/communications_systems> ;
  skos:prefLabel "telecommunication systems"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/television_systems>
  skos:prefLabel "television systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/telephone_systems>
  skos:prefLabel "telephone systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/telegraph_systems>
  skos:prefLabel "telegraph systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .

<https://concepts.sagepub.com/social-science/concept/communications_systems>
  skos:prefLabel "communications systems"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/telecommunication_systems> .