@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e19f2b-77e9-4ebc-b362-225c72c7c409> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e19f2b-77e9-4ebc-b362-225c72c7c409> .