@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81d448b-49a8-44a5-9083-5aafb943cd1b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81d448b-49a8-44a5-9083-5aafb943cd1b> .