@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b9ebab-a884-4b3e-8b26-6b828a36d91b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b9ebab-a884-4b3e-8b26-6b828a36d91b> .