@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e0cf2b-a469-4bf7-95e6-2138f93cc1db> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e0cf2b-a469-4bf7-95e6-2138f93cc1db> .