@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d81dce7f-866d-4613-9acd-2c09c18afb29> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d81dce7f-866d-4613-9acd-2c09c18afb29> .