@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af87fb97-9fcc-4575-bc68-902113e1cd7e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af87fb97-9fcc-4575-bc68-902113e1cd7e> .