@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab0f0a-ecf8-4cd3-9cd7-f1cd6517d7b7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab0f0a-ecf8-4cd3-9cd7-f1cd6517d7b7> .