@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57bdea9b-bbde-40b0-825f-fbb50c96307a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57bdea9b-bbde-40b0-825f-fbb50c96307a> .