@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ef35b7-7495-4015-abb1-a8d6b6e64abf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ef35b7-7495-4015-abb1-a8d6b6e64abf> .