@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff19c18c-8957-4692-8131-f8a6cd23b089> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff19c18c-8957-4692-8131-f8a6cd23b089> .