@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fe28a1-f5a1-4002-af86-5f046c2dfeb3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fe28a1-f5a1-4002-af86-5f046c2dfeb3> .