@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/621d66b2-21a9-4403-99b2-d039691c41ef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/621d66b2-21a9-4403-99b2-d039691c41ef> .