@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/818181e4-0387-4c6a-a42f-c87a10529c8d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/818181e4-0387-4c6a-a42f-c87a10529c8d> .