@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81af7fa-da58-4ed5-8493-3fa1015eb5df> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81af7fa-da58-4ed5-8493-3fa1015eb5df> .