@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509b0510-207c-4528-b409-5c51d3e4acd2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509b0510-207c-4528-b409-5c51d3e4acd2> .