Modeling and analyzing non-IID data in federated learning based ECG arrhythmia detection scenarios. - Davide Cantoro; Angela-Tafadzwa Shumba; Gianluigi Semeraro; Mattia Cotardo; Davide Rollo; Teodoro Montanaro; Ilaria Sergi; Massimo de Vittorio; Luigi Patrono (Ital-IA, 2025)