@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c0a882-431b-46ea-abd1-90605439d2cb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c0a882-431b-46ea-abd1-90605439d2cb> .