@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/aa1f58ad-8623-42d7-8a26-35371750d2de> rdfs:isDefinedBy <https://stad.gent/data/blank_node/aa1f58ad-8623-42d7-8a26-35371750d2de> .