The voice across Japan database-the Japanese language contribution to Polyphone. - Thomas Staples; Joseph Picone; Nozomi Arai (ICASSP (1), 1994)

The data collection of voice across Japan (VAJ) project. - Ikuo Kudo; Takao Nakama; Nozomi Arai; Nahoko Fujimura (ICSLP, 1994)

Kanji-to-Hiragana conversion based on a length-constrained n-gram analysis. - Joseph Picone; Tom Staples; Kazuhiro Kondo; Nozomi Arai (IEEE Trans. Speech Audio Process., 1999)