@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/15ff9d4f-5b6e-447b-a167-04221f4da56d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/15ff9d4f-5b6e-447b-a167-04221f4da56d> .