Japanese Unknown Word Identification by Character-based Chunking Masayuki Asahara author Yuji Matsumoto author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication asahara-matsumoto-2004-japanese https://aclanthology.org/C04-1066/ 2004-aug 23–aug 27 459 465