@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac250c1f-18c1-40ba-b260-ca6447169b81> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac250c1f-18c1-40ba-b260-ca6447169b81> .