Kana-kanji conversion system with input support based on prediction

Authors:
Yumi Ichimura;Yoshimi Saito;Kazuhiro Kimura;Hideki Hirakawa
Affiliations:
Corporate Research & Development Center, TOSHIBA Corp., Kanagawa, Japan;Corporate Research & Development Center, TOSHIBA Corp., Kanagawa, Japan;Corporate Research & Development Center, TOSHIBA Corp., Kanagawa, Japan;Corporate Research & Development Center, TOSHIBA Corp., Kanagawa, Japan
Venue:
COLING '00 Proceedings of the 18th conference on Computational linguistics - Volume 1
Year:
2000

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Abstract

We propose a kana-kanji conversion system with input support based on prediction. This system is composed of two parts: prediction of succeeding kanji character strings from typed kana ones, and ordinary kana-kanji conversion. It automatically shows candidates of kanji character strings which the user intends to input. Our prediction method features: (i)Arbitrary positions of typed kana character strings are regarded as the top of words. (ii)A system dictionary and a user dictionary are used, and each entry in the system dictionary has certainly factor calculated from the frequency of words in corpora. (iii)Candidates are estimated by certainty factor and usefulness factor, and likely ones with greater factors than thresholds are shown. The proposed system could reduce the user's key input operations to 78% from the original ones in our experiments.