Pre-training via Leveraging Assisting Languages and Data Selection for Neural Machine Translation プレプリント Haiyue Song・Raj Dabre・Zhuoyuan Mao・Fei Cheng・Sadao Kurohashi・Eiichiro Sumita ·2020-01-23 ·『arXiv (Cornell University)』 doi:10.48550/arxiv.2001.08353