A Unified Tagging Approach to Text Normalization Conghui Zhu author Jie Tang author Hang Li author Hwee Tou Ng author Tiejun Zhao author 2007-06 text Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics Annie Zaenen editor Antal van den Bosch editor Association for Computational Linguistics Prague, Czech Republic conference publication zhu-etal-2007-unified https://aclanthology.org/P07-1087/ 2007-06 688 695