@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51ff36ff-02f1-4381-a4a8-fa3de729268d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51ff36ff-02f1-4381-a4a8-fa3de729268d> .