@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a4b91589-ff1a-4ac0-935f-e5e0655283ab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a4b91589-ff1a-4ac0-935f-e5e0655283ab> .