@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87a4781a-172a-45ee-8c8f-06652673a39c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87a4781a-172a-45ee-8c8f-06652673a39c> .