@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/refuse_disposal>
  skos:prefLabel "refuse disposal"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/refuse_collection> .

<https://concepts.sagepub.com/social-science/concept/refuse_collection>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/litter_collection> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/refuse_disposal> ;
  skos:prefLabel "refuse collection"@en ;
  a skos:Concept .

<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/refuse_collection> .

<https://concepts.sagepub.com/social-science/concept/litter_collection>
  skos:prefLabel "litter collection"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/refuse_collection> .