@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/building_drainage_systems>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/vertical_drainage_systems>, <https://concepts.sagepub.com/social-science/concept/underground_building_drainage_systems>, <https://concepts.sagepub.com/social-science/concept/horizontal_drainage_systems>, <https://concepts.sagepub.com/social-science/concept/anti-siphonage_systems> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/sanitation_services> ;
  skos:prefLabel "building drainage systems"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/underground_building_drainage_systems>
  skos:prefLabel "underground building drainage systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/building_drainage_systems> .

<https://concepts.sagepub.com/social-science/concept/anti-siphonage_systems>
  skos:prefLabel "anti-siphonage systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/building_drainage_systems> .

<https://concepts.sagepub.com/social-science/concept/sanitation_services>
  skos:prefLabel "sanitation services"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/building_drainage_systems> .

<https://concepts.sagepub.com/social-science/concept/vertical_drainage_systems>
  skos:prefLabel "vertical drainage systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/building_drainage_systems> .

<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/building_drainage_systems> .

<https://concepts.sagepub.com/social-science/concept/horizontal_drainage_systems>
  skos:prefLabel "horizontal drainage systems"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/building_drainage_systems> .