@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff91c675-7f12-4da8-9623-25d935229670> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff91c675-7f12-4da8-9623-25d935229670> .