@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fd165f-4e07-4231-a933-52d87eeb8bd8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fd165f-4e07-4231-a933-52d87eeb8bd8> .