@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/systems_structure>
  skos:definition "Neither the concept of system nor that of structure is original or unique to political science, yet each is a core concept in the field. The notion of the international system is crucial to the study of diplomatic history since the work of the historian Leopold von Ranke in the 1800s. [Source: <a href=\"https://sk.sagepub.com/cqpress/the-encyclopedia-of-political-science/n1526.xml\" target=\"_blank\" data-id=\"to-sk\">The Encyclopedia of Political Science; Systems Structure</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/international_relations> ;
  skos:prefLabel "systems structure"@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/systems_structure> .

<https://concepts.sagepub.com/social-science/concept/international_relations>
  skos:prefLabel "international relations"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/systems_structure> .