@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57e4d403-8494-4739-a2b4-af11135a556b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57e4d403-8494-4739-a2b4-af11135a556b> .