@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/664be708-3571-40de-a5ec-9cb57682da54> rdfs:isDefinedBy <https://stad.gent/data/blank_node/664be708-3571-40de-a5ec-9cb57682da54> .