@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a639dc49-b1b0-469f-ac70-aa2499e50ccc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a639dc49-b1b0-469f-ac70-aa2499e50ccc> .