@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81c0861-7fe4-46f4-b52b-ff2993b65306> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81c0861-7fe4-46f4-b52b-ff2993b65306> .