@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1578c89e-51ab-4aad-be04-96def89de045> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1578c89e-51ab-4aad-be04-96def89de045> .