@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef15c28f-49fc-4373-ae1a-c7354af2fb40> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef15c28f-49fc-4373-ae1a-c7354af2fb40> .