@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef1c50a0-828c-40cf-a2c5-c18c241425ad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef1c50a0-828c-40cf-a2c5-c18c241425ad> .