@prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/concept/570024280> skos:prefLabel "optische telegrafie"@nl . <https://stad.gent/id/concept/570012269/2023-03-01T10:57:50.886Z> skos:narrower <https://stad.gent/id/concept/570024280> . <https://stad.gent/id/concept/570024280/2023-03-01T15:40:16.328Z> <http://purl.org/dc/terms/isVersionOf> <https://stad.gent/id/concept/570024280> .