DAI, Y.; LIU, J.; REN, X.; XU, Z. Adversarial Training Based Multi-Source Unsupervised Domain Adaptation for Sentiment Analysis. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 34, n. 05, p. 7618-7625, 2020. DOI: 10.1609/aaai.v34i05.6262. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/6262. Acesso em: 14 apr. 2021.