@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b3865e-c83c-4808-83ea-c0b47c56428f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b3865e-c83c-4808-83ea-c0b47c56428f> .