@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81906f78-82a6-41ba-9635-e1d536230968> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81906f78-82a6-41ba-9635-e1d536230968> .