A Simple Approach to Unknown Word Processing in Japanese Morphological Analysis Ryohei Sasano author Sadao Kurohashi author Manabu Okumura author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication sasano-etal-2013-simple https://aclanthology.org/I13-1019/ 2013-10 162 170