Shen, Xu, Xinmei Tian, Jun Xing, Yong Rui, and Dacheng Tao. 2018. “Sequence-to-Sequence Learning via Shared Latent Representation”. Proceedings of the AAAI Conference on Artificial Intelligence 32 (1). https://doi.org/10.1609/aaai.v32i1.11837.