@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/921e1d8c-4998-430a-81df-d74fa98c7f81> rdfs:isDefinedBy <https://stad.gent/data/blank_node/921e1d8c-4998-430a-81df-d74fa98c7f81> .