Avoidance of performance bottlenecks caused by HTTP redirect in identity management protocols. - Yoshisato Takeda; Seiichi Kondo; Yasuhide Kitayama; Masashi Torato; Tsuyoshi Motegi (Digital Identity Management, 2006)

Extending RBAC for Large Enterprises and Its Quantitative Risk Evaluation. - Seiichi Kondo; Mizuho Iwaihara; Masatoshi Yoshikawa; Masashi Torato (II3E, 2008)