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

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

<https://concepts.sagepub.com/social-science/concept/engineering_services>
  skos:prefLabel "engineering services"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/internal_transport_services> .

<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/internal_transport_services> .

<https://concepts.sagepub.com/social-science/concept/internal_transport_services>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/vertical_transport_systems>, <https://concepts.sagepub.com/social-science/concept/travelators>, <https://concepts.sagepub.com/social-science/concept/internal_passenger_transport>, <https://concepts.sagepub.com/social-science/concept/internal_goods_transport>, <https://concepts.sagepub.com/social-science/concept/horizontal_transport_systems>, <https://concepts.sagepub.com/social-science/concept/escalators> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/engineering_services> ;
  skos:prefLabel "internal transport services"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/internal_goods_transport>
  skos:prefLabel "internal goods transport"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/internal_transport_services> .

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

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

<https://concepts.sagepub.com/social-science/concept/internal_passenger_transport>
  skos:prefLabel "internal passenger transport"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/internal_transport_services> .