@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87e21c4c-c7db-4373-a165-69597bbf5a26> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87e21c4c-c7db-4373-a165-69597bbf5a26> .