@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1689ff9c-f9f9-4426-888c-9ca4accb16db> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1689ff9c-f9f9-4426-888c-9ca4accb16db> .