@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/2b81e3bf-b631-4c53-8dc3-3491151e45bd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/2b81e3bf-b631-4c53-8dc3-3491151e45bd> .