@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87f64f87-b822-455d-8c57-799c1eaff7ad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87f64f87-b822-455d-8c57-799c1eaff7ad> .