@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81561310-3dc8-4ebd-af5a-d840b5860ccd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81561310-3dc8-4ebd-af5a-d840b5860ccd> .