@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57eaf88-7797-4180-af00-b43ef3012661> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57eaf88-7797-4180-af00-b43ef3012661> .