@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81f87ab-7d12-46ff-a78b-6e5448d27b7c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81f87ab-7d12-46ff-a78b-6e5448d27b7c> .