@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81aab310-5b64-4968-a9e3-5777a27d859d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81aab310-5b64-4968-a9e3-5777a27d859d> .