@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d7e04c-356d-4e8c-974d-d71195b311da> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d7e04c-356d-4e8c-974d-d71195b311da> .