@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/668fcd7d-0af9-4518-aea1-b9c6057ffaae> rdfs:isDefinedBy <https://stad.gent/data/blank_node/668fcd7d-0af9-4518-aea1-b9c6057ffaae> .