Chinese Grammatical Error Diagnosis Based on Policy Gradient LSTM Model Changliang Li author Ji Qi author 2018-07 text Proceedings of the 5th Workshop on Natural Language Processing Techniques for Educational Applications Yuen-Hsien Tseng editor Hsin-Hsi Chen editor Vincent Ng editor Mamoru Komachi editor Association for Computational Linguistics Melbourne, Australia conference publication li-qi-2018-chinese 10.18653/v1/W18-3710 https://aclanthology.org/W18-3710/ 2018-07 77 82