@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/ports>
  skos:definition "Ports are coastal points where ships can dock at natural or artificial harbors to load and unload passengers, crew, and cargo. Artificial harbors, typically built specifically for use as ports, are made through dredging or the construction of sea walls, jetties, or breakwaters. [Source: <a href=\"https://sk.sagepub.com/reference/disasterrelief/n203.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Disaster Relief; Ports</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/transport_infrastructure> ;
  skos:prefLabel "ports"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/transport_infrastructure>
  skos:prefLabel "transport infrastructure"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/ports> .

<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/ports> .