@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/90991f4a-6979-497a-a8d5-5afe31b6fdfd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/90991f4a-6979-497a-a8d5-5afe31b6fdfd> .