@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57e639a-27b7-46fa-a8b8-40df24a14493> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57e639a-27b7-46fa-a8b8-40df24a14493> .