@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1815687a-5300-49c9-91de-73ec4b1e8abd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1815687a-5300-49c9-91de-73ec4b1e8abd> .