1. Manning C D, Schütze H. Foundations of Statistical Natural Language Processing. Massachusetts: The MIT Press, 1999
2. Kübler S, McDonald R, Nivre J. Dependency parsing. Synt Lectures Human Language Tech, 2009, 1: 1–127
3. Chengqing Z. Statistical Natural Language Processing. Beijing: Tsinghua University Press, 2013
4. Jurafsky D H. Martin J. Speech and Language Processing. 3rd ed. New Jersey: Prentice Hall PTR, 2019
5. Yamada K, Knight K. A syntax-based statistical translation model. In: Proceedings of Association for Computational Linguistic, 39th Annual Meeting and 10th Conference of the European Chapter. Toulouse, 2001. 523–530