@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e823a6-157d-4aa8-a7f3-e8be794bc67f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e823a6-157d-4aa8-a7f3-e8be794bc67f> .