@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57f51b1-17d6-4909-a020-0a42d846f238> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57f51b1-17d6-4909-a020-0a42d846f238> .