@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef1ac50a-c8c5-4ca7-b302-a9eee60153e2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef1ac50a-c8c5-4ca7-b302-a9eee60153e2> .