@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/3a1d18e9-2c81-4fd8-97ff-1b891a45a2ea> rdfs:isDefinedBy <https://stad.gent/data/blank_node/3a1d18e9-2c81-4fd8-97ff-1b891a45a2ea> .