@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ffd18681-e0a6-4ad4-b5e8-17fd6988c401> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ffd18681-e0a6-4ad4-b5e8-17fd6988c401> .