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

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

<https://concepts.sagepub.com/social-science/concept/sound_recordings>
  skos:prefLabel "sound recordings"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/compact_discs> .

<https://concepts.sagepub.com/social-science/concept/digital_recordings>
  skos:prefLabel "digital recordings"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/compact_discs> .

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

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

<https://concepts.sagepub.com/social-science/concept/compact_discs>
  skos:broader <https://concepts.sagepub.com/social-science/concept/videodisc_recording>, <https://concepts.sagepub.com/social-science/concept/optical_storage_devices>, <https://concepts.sagepub.com/social-science/concept/sound_recordings>, <https://concepts.sagepub.com/social-science/concept/digital_recordings> ;
  skos:definition "Thin, plastic disks (diameter 12 cm, or 4.8 in.) originally developed in the 1970s and 1980s at Philips Research Laboratories and SONY Corporation for the playback of 74 minutes of digital audio files. The first commercial compact discs (CDs) were sold in 1982. [Source: <a href=\"https://sk.sagepub.com/reference/behavioralsciences/n455.xml\" target=\"_blank\" data-id=\"to-sk\">The SAGE Glossary of the Social and Behavioral Sciences; Compact Discs (CDs)</a>]"@en ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/CD-ROM>, <https://concepts.sagepub.com/social-science/concept/CD-i> ;
  skos:prefLabel "compact discs"@en ;
  a skos:Concept ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D016250.html> .

<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/compact_discs> .