@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef97d621-248a-4767-9af8-22a0002547ec> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef97d621-248a-4767-9af8-22a0002547ec> .