@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef51c2fa-c581-4a41-8b28-098489acbb87> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef51c2fa-c581-4a41-8b28-098489acbb87> .