Witness Generation for JSON Schema Patterns. - Christoph Köhnen (BTW, 2023)

A Plaque Test for Redundancies in Relational Data. - Christoph Köhnen; Stefan Klessinger; Jens Zumbrägel; Stefanie Scherzinger (VLDB Workshops, 2023)

Visualizing Redundancies caused by Multivalued Dependencies in Relational Data. - Christoph Köhnen (GvDB, 2024)

Plaquette: Visualizing Redundancies in Relational Data. - Christoph Köhnen; Jens Zumbrägel; Stefanie Scherzinger (BTW, 2025)

Making a Case for Visual Feedback in Teaching Database Schema Normalization. - Christoph Köhnen; Ute Heuer; Jens Zumbrägel; Stefanie Scherzinger (DataEd@SIGMOD, 2025)