@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e72761-a622-4cdb-990e-d3f788993353> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e72761-a622-4cdb-990e-d3f788993353> .