@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57e531b5-d046-48d7-8679-cd225f843a32> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57e531b5-d046-48d7-8679-cd225f843a32> .