A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context Masaaki Nagata author 1999-06 text Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics College Park, Maryland, USA conference publication nagata-1999-part 10.3115/1034678.1034725 https://aclanthology.org/P99-1036/ 1999-06 277 284