MA, Shu. English Text Sentiment Analysis Based on Convolutional Neural Network and U-network. IJLAI Transactions on Science and Engineering, [S. l.], v. 2, n. 2, p. 81–90, 2024. Disponível em: https://sub.ifspress.hk/IJLAI/article/view/109. Acesso em: 15 sep. 2025.