@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ef7ae3-4683-456d-98d4-fb75e4f0f531> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ef7ae3-4683-456d-98d4-fb75e4f0f531> .