@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/fiber_optics>
  skos:prefLabel "fiber optics"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optics> .

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

<https://concepts.sagepub.com/social-science/concept/optics>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/particle_optics>, <https://concepts.sagepub.com/social-science/concept/fiber_optics> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/physics_of_energy_phenomena>, <https://concepts.sagepub.com/social-science/concept/physics> ;
  skos:prefLabel "optics"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/physics_of_energy_phenomena>
  skos:prefLabel "physics of energy phenomena"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/optics> .

<https://concepts.sagepub.com/social-science/concept/particle_optics>
  skos:prefLabel "particle optics"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/optics> .

<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/optics> .