Supervised Attention for Sequence-to-Sequence Constituency Parsing Hidetaka Kamigaito author Katsuhiko Hayashi author Tsutomu Hirao author Hiroya Takamura author Manabu Okumura author Masaaki Nagata author 2017-11 text Proceedings of the Eighth International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Greg Kondrak editor Taro Watanabe editor Asian Federation of Natural Language Processing Taipei, Taiwan conference publication kamigaito-etal-2017-supervised https://aclanthology.org/I17-2002/ 2017-11 7 12