@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e3b174-aa8c-4d1c-9e35-c7ad72cc2db6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e3b174-aa8c-4d1c-9e35-c7ad72cc2db6> .