@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1b50d2b7-949d-4c90-8d89-42d8bf6986c4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1b50d2b7-949d-4c90-8d89-42d8bf6986c4> .