@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ddf2a1-0d25-4cd8-8f74-a03a63de3ead> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ddf2a1-0d25-4cd8-8f74-a03a63de3ead> .