@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/18b309e6-f12b-4ca9-a00c-8e502b48c786> rdfs:isDefinedBy <https://stad.gent/data/blank_node/18b309e6-f12b-4ca9-a00c-8e502b48c786> .