@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f7b6c0-940c-42af-8827-50b9d79a0f86> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f7b6c0-940c-42af-8827-50b9d79a0f86> .