@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cc6d28-658f-40ea-9e8e-1404c7a03181> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cc6d28-658f-40ea-9e8e-1404c7a03181> .