@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab3419-68b4-4bb0-934e-7f7093e56e06> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab3419-68b4-4bb0-934e-7f7093e56e06> .