@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a80f1a-52fc-42b5-b368-869ef786e789> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a80f1a-52fc-42b5-b368-869ef786e789> .