@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff9bd9a7-b948-42fc-9ac2-afe95510415b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff9bd9a7-b948-42fc-9ac2-afe95510415b> .