The Kaburobo Contest. - Nachi Ueno; Motohiro Shamoto; Koichi Kato; Yoichi Muraoka (Software Engineering Research and Practice, 2005)

Soramame: what you see is what you control access control user interface. - Nachi Ueno; Ryota Hashimoto; Michio Shimomura; Kenji Takahashi (CHIMIT, 2009)

A design of usable and secure access-control APIs for mashup applications. - Ryota Hashimoto; Nachi Ueno; Michio Shimomura (Digital Identity Management, 2009)

Filter-based access control model: exploring a more usable database management. - Nachi Ueno; Ryota Hashimoto; Hisaharu Ishii; Hiroyuki Makino; Yuzuru Kitayama (CHIMIT, 2010)