@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21a1d64e-4af6-459d-af7a-e607a5cc7a79> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21a1d64e-4af6-459d-af7a-e607a5cc7a79> .