Naga Bhavani Chakka, Shaiku Shahida Saheb. A Hybrid Autoencoder-XGBoost Framework for High-Performance UPI Fraud Detection. Proc. eng. technol. innov. [Internet]. 2026 May 8 [cited 2026 May 21];33:93-105. Available from: https://ojs.imeti.org/index.php/PETI/article/view/16002