A hybrid deep learning framework using synthetic oversampling, autoencoder, convolutional neural networks, and an attention mechanism for credit card fraud detection. - Mohammad Zavvar; Mojtaba Jafari; Narges Mohammadali Pour; Ali Akbar Kiaei; Mohammad Hossein Zavvar; Arash Heidari; Nima Jafari Navimipour (J. Big Data, 2026)