@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/semantic_reference_systems>
  skos:definition "Geographic information systems (GIS) operate on spatial, temporal, and thematic data. The interpretation of the first two kinds of data is given by well-known spatial and temporal reference systems such as coordinate systems and calendars. [Source: <a href=\"https://sk.sagepub.com/reference/geography/n1020.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Geography; Semantic Reference Systems</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/geographic_information_systems> ;
  skos:prefLabel "semantic reference systems"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/geographic_information_systems>
  skos:prefLabel "geographic information systems"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/semantic_reference_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/semantic_reference_systems> .