@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b27b45-55f3-4a0f-a82d-67984df592ad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b27b45-55f3-4a0f-a82d-67984df592ad> .