@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57d50bb-fc6f-4659-888c-a54d1d384b8f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57d50bb-fc6f-4659-888c-a54d1d384b8f> .