Rough Ontology: Extension of Ontologies by Rough Sets. - Syohei Ishizu; Andreas Gehrmann; Yoshimitsu Nagai; Yusei Inukai (HCI (8), 2007)

Development of a Price Promotion Model for Online Store Selection. - Shintaro Hotta; Syohei Ishizu; Yoshimitsu Nagai (HCI (12), 2011)

Construction of a Model for Discriminating between Electroencephalographic Patterns at the Time of Incorrect Inputs Based on Sensitivity Spectrum Analysis. - Raita Ohori; Daiki Shinkai; Yoshimitsu Nagai; Syohei Ishizu (HCI (11), 2011)

Software Testing Method Considering the Importance of Factor Combinations in Pair-Wise Testing. - Ruoan Xu; Yoshimitsu Nagai; Syohei Ishizu (HCI (22), 2011)