@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81e5575-1a09-4b08-bfdd-b25c23660787> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81e5575-1a09-4b08-bfdd-b25c23660787> .