@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81631cdc-a0fd-4ed0-b8cf-29030b3a32d7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81631cdc-a0fd-4ed0-b8cf-29030b3a32d7> .