@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b18b6ad8-a841-4138-a693-86307d81c2ed> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b18b6ad8-a841-4138-a693-86307d81c2ed> .