@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639bf8d1-f1b4-4857-acea-623ff343acf2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639bf8d1-f1b4-4857-acea-623ff343acf2> .