Liu, Lemao, Andrew Finch, Masao Utiyama, and Eiichiro Sumita. “Agreement on Target-Bidirectional LSTMs for Sequence-to-Sequence Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 30, no. 1 (March 5, 2016). Accessed May 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/10327.