@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/503cb31b-d5ff-4b5b-829e-0a60f347c022> rdfs:isDefinedBy <https://stad.gent/data/blank_node/503cb31b-d5ff-4b5b-829e-0a60f347c022> .