@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a5d226-2be9-4812-aadc-045dd8a52bef> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a5d226-2be9-4812-aadc-045dd8a52bef> .