@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51815ca4-0e67-4584-9225-bffdc5c0aea0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51815ca4-0e67-4584-9225-bffdc5c0aea0> .