@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/820c4c9b-a991-4885-80e4-21ef60de7929> rdfs:isDefinedBy <https://stad.gent/data/blank_node/820c4c9b-a991-4885-80e4-21ef60de7929> .