@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b68b5418-e0ff-42ba-adcf-1507838108cc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b68b5418-e0ff-42ba-adcf-1507838108cc> .