@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50d1f8ff-504b-4ff9-8fb9-f598606f959b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50d1f8ff-504b-4ff9-8fb9-f598606f959b> .