@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21ca8ca4-72f9-4143-8ab1-19c48e7cc13c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21ca8ca4-72f9-4143-8ab1-19c48e7cc13c> .