@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/509b0a31-15a8-475c-ab0a-66a1fdd19760> rdfs:isDefinedBy <https://stad.gent/data/blank_node/509b0a31-15a8-475c-ab0a-66a1fdd19760> .