FAHRENDY, R. N. F.; FARA TRIADI; AGUS TRIYONO. A User Fatigue Prediction System Based on Heart Rate and SpO₂ Data from Smartwatch on Android Platform. Journal of Artificial Intelligence and Engineering Applications (JAIEA), [S. l.], v. 6, n. 1, p. 554–563, 2026. DOI: 10.59934/jaiea.v6i1.2795. Disponível em: https://mail.ioinformatic.org/index.php/JAIEA/article/view/2795. Acesso em: 17 oct. 2026.