基于大规模语料库的《古籍汉字分级字表》研究(The Formulation of The graded Chinese character list of ancient books Based on Large-scale Corpus) Changwei Xu author Minxuan Feng author Bin Li author Yiguo Yuan author 2021-08 text zho Proceedings of the 20th Chinese National Conference on Computational Linguistics Sheng Li editor Maosong Sun editor Yang Liu editor Hua Wu editor Kang Liu editor Wanxiang Che editor Shizhu He editor Gaoqi Rao editor Chinese Information Processing Society of China Huhhot, China conference publication xu-etal-2021-ji https://aclanthology.org/2021.ccl-1.70/ 2021-08 781 791