@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81af7add-5a00-44e5-b100-29fdfaf1b80d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81af7add-5a00-44e5-b100-29fdfaf1b80d> .