@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c33af1-a178-4019-82d4-a7e1e1a3738c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c33af1-a178-4019-82d4-a7e1e1a3738c> .