Replacement and Preventive Maintenance Models with Random Working Times. - Mingchih Chen; Syouji Nakamura; Toshio Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Cumulative Damage Models with Replacement Last. - Xufeng Zhao; Keiko Nakayama; Syouji Nakamura (FGIT-ASEA/DRBC/EL, 2011)

Two Generational Garbage Collection Models with Major Collection Time. - Xufeng Zhao 001; Syouji Nakamura; Toshio Nakagawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Stochastic Applications for e-Learning System. - Syouji Nakamura; Keiko Nakayama; Toshio Nakagawa (IIMSS, 2012)

Optimal Tenuring and Major Collection times for a Generational Garbage Collector. - Xufeng Zhao 001; Syouji Nakamura; Toshio Nakagawa (Asia Pac. J. Oper. Res., 2012)

Optimal study number of stochastic e-learning system. - Syouji Nakamura; Keiko Nakayama; Toshio Nakagawa (Int. J. Knowl. Web Intell., 2013)