@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef6c9f41-e423-4f77-99ea-012d17d430ea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef6c9f41-e423-4f77-99ea-012d17d430ea> .