Improving Chinese Grammatical Error Correction with Corpus Augmentation and Hierarchical Phrase-based Statistical Machine Translation Yinchen Zhao author Mamoru Komachi author Hiroshi Ishikawa author 2015-07 text Proceedings of the 2nd Workshop on Natural Language Processing Techniques for Educational Applications Hsin-Hsi Chen editor Yuen-Hsien Tseng editor Yuji Matsumoto editor Lung Hsiang Wong editor Association for Computational Linguistics Beijing, China conference publication zhao-etal-2015-improving 10.18653/v1/W15-4417 https://aclanthology.org/W15-4417/ 2015-07 111 116