@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c71d79-c646-4833-af0a-cf5b25bb7f65> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c71d79-c646-4833-af0a-cf5b25bb7f65> .