@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e58d6e-8569-4da8-8ec5-19d36da822ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e58d6e-8569-4da8-8ec5-19d36da822ac> .