@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/991db4ad-52ae-4a5a-8878-139f8df1f66d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/991db4ad-52ae-4a5a-8878-139f8df1f66d> .