@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51c997c2-ffb5-4750-af51-287df2f47dde> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51c997c2-ffb5-4750-af51-287df2f47dde> .