@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81bfc8dd-0011-4159-85b0-2c5d54813e34> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81bfc8dd-0011-4159-85b0-2c5d54813e34> .