@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/optical_storage_devices>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/videodisc_recording>, <https://concepts.sagepub.com/social-science/concept/compact_discs> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D016249.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/computer_storage_devices>, <https://concepts.sagepub.com/social-science/concept/audiovisual_aids> ;
  skos:prefLabel "optical storage devices"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/computer_storage_devices>
  skos:prefLabel "computer storage devices"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/optical_storage_devices> .

<https://concepts.sagepub.com/social-science/concept/videodisc_recording>
  skos:prefLabel "videodisc recording"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_storage_devices> .

<https://concepts.sagepub.com/social-science/concept/audiovisual_aids>
  skos:prefLabel "audiovisual aids"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/optical_storage_devices> .

<https://concepts.sagepub.com/social-science/concept/compact_discs>
  skos:prefLabel "compact discs"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optical_storage_devices> .

<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/optical_storage_devices> .