@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81bf5b89-7c0f-4dcf-a89b-acb9b01bc7b1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81bf5b89-7c0f-4dcf-a89b-acb9b01bc7b1> .