@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81db5f3-60ff-4014-9c44-768132453a3c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81db5f3-60ff-4014-9c44-768132453a3c> .