@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21ffc5fd-faa6-4fe1-b7b4-4568108c360d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21ffc5fd-faa6-4fe1-b7b4-4568108c360d> .