@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ae3e6f-e4ad-43a7-8674-1aecb935dca3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ae3e6f-e4ad-43a7-8674-1aecb935dca3> .