@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-WXPG1QKJ-J .

n9j:-PBBKHHHQ-H
  skos:prefLabel "cartography"@en ;
  a skos:Concept ;
  skos:narrower n9j:-WXPG1QKJ-J .

n9j:-WXPG1QKJ-J
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/earth's_coordinate_grid> ;
  skos:definition "Gridding the globe with abstract lines has been put forward since the 2nd century BC, when Hipparchus suggested parallels of latitude and meridians of longitude constructed over a spherical model of Earth. Three hundred years later, Claudius Ptolemy refined these ideas and produced map projections with a graticule of longitude and latitude lines. [Source: Encyclopedia of Geography; Earth's Coordinate Grid]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-PBBKHHHQ-H ;
  skos:prefLabel "earth's coordinate grid"@en .

n9j: a skos:ConceptScheme .