@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff78e42e-b49e-440b-ad7e-92c170af207c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff78e42e-b49e-440b-ad7e-92c170af207c> .