User-Generated Text Corpus for Evaluating Japanese Morphological Analysis and Lexical Normalization Shohei Higashiyama author Masao Utiyama author Taro Watanabe author Eiichiro Sumita author 2021-06 text Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Kristina Toutanova editor Anna Rumshisky editor Luke Zettlemoyer editor Dilek Hakkani-Tur editor Iz Beltagy editor Steven Bethard editor Ryan Cotterell editor Tanmoy Chakraborty editor Yichao Zhou editor Association for Computational Linguistics Online conference publication higashiyama-etal-2021-user 10.18653/v1/2021.naacl-main.438 https://aclanthology.org/2021.naacl-main.438/ 2021-06 5532 5541