A New Method of N-gram Statistics for Large Number of n and Automatic Extraction of Words and Phrases from Large Text Data of Japanese Makoto Nagao author Shinsuke Mori author 1994-08 text COLING 1994 Volume 1: The 15th International Conference on Computational Linguistics Kyoto, Japan conference publication nagao-mori-1994-new https://aclanthology.org/C94-1101/ 1994-08