@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b2d87a-9f51-4a1b-b3f5-76fcdc19f505> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b2d87a-9f51-4a1b-b3f5-76fcdc19f505> .