@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab16e7-2573-49e6-a195-a4201ec85128> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab16e7-2573-49e6-a195-a4201ec85128> .