@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af7f9056-ccda-4919-b74c-31f663685741> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af7f9056-ccda-4919-b74c-31f663685741> .