@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c5d0ea-e544-4c17-8aa9-b7420446c94b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c5d0ea-e544-4c17-8aa9-b7420446c94b> .