@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b4ddd1-f402-4abb-baa6-8b9a404e2469> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b4ddd1-f402-4abb-baa6-8b9a404e2469> .