@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef18f3e2-6ba5-4ffd-85ea-981129c3f38d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef18f3e2-6ba5-4ffd-85ea-981129c3f38d> .