@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81de1e92-de6d-4b88-aeb2-68d7917ee372> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81de1e92-de6d-4b88-aeb2-68d7917ee372> .