Improving Neural Text Normalization with Data Augmentation at Character- and Morphological Levels Itsumi Saito author Jun Suzuki author Kyosuke Nishida author Kugatsu Sadamitsu author Satoshi Kobashikawa author Ryo Masumura author Yuji Matsumoto author Junji Tomita 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 saito-etal-2017-improving https://aclanthology.org/I17-2044/ 2017-11 257 262