YI, Jing; ZENG, Xiao. Multi-Class Classification of Customer Complaints Using Convolutional LSTM and Neural Network Models. Informatica, [S. l.], v. 50, n. 9, 2026. DOI: 10.31449/inf.v50i9.8239. Disponível em: https://www.informatica.si/index.php/informatica/article/view/8239. Acesso em: 13 mar. 2026.