PTCSpell: Pre-trained Corrector Based on Character Shape and Pinyin for Chinese Spelling Correction Xiao Wei author Jianbao Huang author Hang Yu author Qian Liu author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication wei-etal-2023-ptcspell 10.18653/v1/2023.findings-acl.394 https://aclanthology.org/2023.findings-acl.394/ 2023-07 6330 6343