@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a52bde-2c40-4ed4-aa3b-506f9225f82c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a52bde-2c40-4ed4-aa3b-506f9225f82c> .