Attention over Heads: A Multi-Hop Attention for Neural Machine Translation. - Shohei Iida; Ryuichiro Kimura; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (ACL (2), 2019)

Mixed Multi-Head Self-Attention for Neural Machine Translation. - Hongyi Cui; Shohei Iida; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (NGT@EMNLP-IJCNLP, 2019)

A Multi-Hop Attention for RNN based Neural Machine Translation. - Shohei Iida; Ryuichiro Kimura; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (PSLT@MTSummit, 2019)

Selecting Informative Context Sentence by Forced Back-Translation. - Ryuichiro Kimura; Shohei Iida; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (MTSummit (1), 2019)

University of Tsukuba's Machine Translation System for IWSLT20 Open Domain Translation Task. - Hongyi Cui; Yizhen Wei; Shohei Iida; Takehito Utsuro; Masaaki Nagata (IWSLT, 2020)