@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ca4c77-15cf-4be5-b6ff-0bb567964eb8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ca4c77-15cf-4be5-b6ff-0bb567964eb8> .