@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/139ff8df-897c-4b97-8381-b52d06220789> rdfs:isDefinedBy <https://stad.gent/data/blank_node/139ff8df-897c-4b97-8381-b52d06220789> .