WANG, Yaxin. A Comparative Study of XGBoost and Transformer for E-commerce Purchase Prediction under Class Imbalance. CPS Digital Library - Series of Conferences, [S. l.], p. 66–75, 2026. Disponível em: https://seriesofconference.com/index.php/SCJ/article/view/402. Acesso em: 27 sep. 2026.