@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81b12a0-1ed4-49b0-91b2-b82a6fd44fdc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81b12a0-1ed4-49b0-91b2-b82a6fd44fdc> .