@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f81b5375-360e-405e-aef2-4e5f51714b13> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f81b5375-360e-405e-aef2-4e5f51714b13> .