@prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/concept/540014896/2023-07-08T00:04:04.990Z> <http://purl.org/dc/terms/isVersionOf> <https://stad.gent/id/concept/540014896> . <https://stad.gent/id/concept/540015291/2024-01-30T00:00:44.589Z> skos:narrower <https://stad.gent/id/concept/540014896> . <https://stad.gent/id/concept/540014896> skos:prefLabel "Boron"@nl .