@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff57d43f-4432-423b-b8ec-f259d4acf5c6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff57d43f-4432-423b-b8ec-f259d4acf5c6> .