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

<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/hydrogen> .

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

<https://concepts.sagepub.com/social-science/concept/hydrogen>
  skos:definition "Gaseous hydrogen could have a major role in the future as a clean energy carrier. Unlike current fossil fuels, however, hydrogen gas cannot be harvested effectively from our environment without using energy from another source. [Source: <a href=\"https://sk.sagepub.com/reference/greenenergy/n74.xml\" target=\"_blank\" data-id=\"to-sk\">Green Energy: An A-to-Z Guide; Hydrogen</a>]"@en ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/protons> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/gases> ;
  skos:prefLabel "hydrogen"@en ;
  a skos:Concept .