@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fb97cc-c5c6-47e4-b7f4-270457f4a5df> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fb97cc-c5c6-47e4-b7f4-270457f4a5df> .