@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509fbdb4-cb9c-4902-bbf2-63a7c3e5b258> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509fbdb4-cb9c-4902-bbf2-63a7c3e5b258> .