@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509aa9de-dd0f-4e5a-942d-faaaa8387615> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509aa9de-dd0f-4e5a-942d-faaaa8387615> .