@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21791d31-c6f2-4be6-ae9d-15b57390f914> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21791d31-c6f2-4be6-ae9d-15b57390f914> .