@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b7bd15-9d20-4402-af05-753dfb853c63> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b7bd15-9d20-4402-af05-753dfb853c63> .