@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57f7f918-8300-4497-8a08-5e540304c341> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57f7f918-8300-4497-8a08-5e540304c341> .