@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81bdf04e-cf14-4e33-a8ec-3ae5ba53c2ca> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81bdf04e-cf14-4e33-a8ec-3ae5ba53c2ca> .