@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668cd573-2ff9-4dc4-acd4-d9fb0ef21c9a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668cd573-2ff9-4dc4-acd4-d9fb0ef21c9a> .