On-line Japanese character recognition system for visually disabled persons. - Kimiyasu Kiyota; Shinji Yamamoto; Nobuo Ezaki; Toshihiko Sakurai (ICPR, 1996)

Query-Based Multidocument Summarization for Information Retrieval. - Toshihiko Sakurai; Akira Utsumi (NTCIR, 2004)