@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ce28eb-77b8-468d-aab1-e7e69c2034e5> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ce28eb-77b8-468d-aab1-e7e69c2034e5> .