@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509b2d4f-12e9-485d-ac39-7e29d212aca1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509b2d4f-12e9-485d-ac39-7e29d212aca1> .