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

<https://concepts.sagepub.com/social-science/concept/natural_sciences>
  skos:prefLabel "natural sciences"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/physical_sciences> .

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

<https://concepts.sagepub.com/social-science/concept/states_of_matter>
  skos:prefLabel "states of matter"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/physical_sciences> .

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

<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/physical_sciences> .

<https://concepts.sagepub.com/social-science/concept/physical_sciences>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/states_of_matter>, <https://concepts.sagepub.com/social-science/concept/spectroscopy>, <https://concepts.sagepub.com/social-science/concept/physics>, <https://concepts.sagepub.com/social-science/concept/chemistry> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/natural_sciences> ;
  skos:prefLabel "physical sciences"@en ;
  a skos:Concept .