@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57911c58-439b-4941-b679-6c3e6a409613> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57911c58-439b-4941-b679-6c3e6a409613> .