@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2018-03-13" ; dct:modified "2018-04-16" ; ns1:hasProfile , , ; ns2:status ; rdfs:seeAlso ; skos:definition "A mathematical operation on coordinates that does not include a change of datum. The best-known example of a coordinate conversion is a map projection. The parameters describing coordinate conversions are defined rather than empirically derived."@en ; skos:prefLabel "coordinate conversion"@en .