@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81813e7e-569a-4ded-8aa0-aa24049bd41f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81813e7e-569a-4ded-8aa0-aa24049bd41f> .