@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509689f4-1035-48c6-b93f-93349e99728c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509689f4-1035-48c6-b93f-93349e99728c> .