Structure of a Prototype System for Managing Letters. - Hideaki Ito; Kazuki Kasugai; Syouhei Kanamori; Shimpei Kanekasu; Shinsaku Tashiro; Tsuyoshi Taki; Junichi Hasegawa 001; Kyoko Raita (KES, 2014)

Analyzing Elements of Letters in a Letter Management System. - Hideaki Ito; Kazuki Miyazato; Kensiro Ishikawa; Tsuyoshi Taki; Junichi Hasegawa 001; Kyoko Raita (ACIT/CSII/BCD, 2017)

Relationships among information items of meeting minutes in a minutes management system MRS. - Hideaki Ito; Tsuyoshi Taki; Junichi Hasegawa 001; Kyoko Raita (KES, 2019)