@inproceedings{ICML-2019-SongTQLL,
	author        = "Kaitao Song and Xu Tan and Tao Qin and Jianfeng Lu and Tie-Yan Liu",
	booktitle     = "{Proceedings of the 36th International Conference on Machine Learning}",
	ee            = "http://proceedings.mlr.press/v97/song19d.html",
	pages         = "5926--5936",
	publisher     = "{PMLR}",
	title         = "{MASS: Masked Sequence to Sequence Pre-training for Language Generation}",
	year          = 2019,
}