YUSRAN, Muhammad; AFENDI, Farit Mochamad; FITRIANTO, Anwar. Evaluating GPT-4o-based Data Augmentation for Imbalanced Multiclass Sentiment Classification of GoPay Reviews Using IndoBERT-LoRA. International Journal of Advances in Data and Information Systems, Indonesia, v. 7, n. 2, p. 716–737, 2026. DOI: 10.59395/ijadis.v7i2.1620. Disponível em: https://mail.ijadis.org/index.php/ijadis/article/view/1620. Acesso em: 12 oct. 2026.