@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87421c88-f4e0-42c4-8a94-f5e2670dfbfb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87421c88-f4e0-42c4-8a94-f5e2670dfbfb> .