@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff49e91b-683b-4521-9abe-45dc2918d266> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff49e91b-683b-4521-9abe-45dc2918d266> .