@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57a67e52-f6f3-410c-a044-6a6f4ca6033f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57a67e52-f6f3-410c-a044-6a6f4ca6033f> .