Full Papers

**Journal Papers**

- H. Tanaka, T. Dohi, S. Takagi, N. Kaio and S. Osaki, "A note on temporal variation of the amount of option trading (in Japanese)",
*Communications of the Operations Research Society of Japan*, vol. 36, no. 2, pp. 90--95, 1991. - T. Dohi, N. Kaio and S. Osaki, "Optimal control of production management systems with diffusion demand (in Japanese)",
*Transactions of the Institute of Systems, Control and Information Engineering (ISCIE)*, vol. 4, no. 7, pp. 286--293, 1991. - T. Dohi and S. Osaki, "Optimal trading of stock options under alternative strategy",
*Computers & Mathematics with Applications*, vol. 24, no. 1/2, pp. 127--134, 1992. - H. Tanaka, T. Dohi, H. Fujiwara, N. Kaio and S. Osaki, "Construction of a decision support system for a combination of options",
*Computers & Mathematics with Applications*, vol. 24, no. 1/2, pp. 135--140, 1992. - T. Dohi, N. Kaio and S. Osaki, "A note on optimal inventory policies taking account of time value",
*Revue Francaise d'Automatique, Informatique et Recherche Operationnelle (Recherche operationnelle/Operations Research)*, vol. 26, no. 1, pp. 1--14, 1992. - N. Kaio, T. Dohi and S. Osaki, "Optimal maintenance policies with lead times and repair",
*International Journal of Systems Science*, vol. 23, no. 8, pp. 1299--1308, 1992. - T. Dohi, N. Kaio and S. Osaki, "Continuous time inventory control for Wiener process demand",
*Computers & Mathematics with Applications*, vol. 26, no. 9, pp. 11--22, 1993. - T. Dohi and S. Osaki, "A note on portfolio optimization with path-dependent utility",
*Annals of Operations Research*, vol. 45, no. 1/4, pp. 77--90, 1993. - T. Dohi, T. Shibuya and S. Osaki, "A comparative study on the stochastic EOQ models with discounting",
*IMA Journal of Mathematics Applied in Business and Industry*, vol. 5, no. 2, pp. 171--179, 1993. - N. Kaio, T. Dohi and S. Osaki, "Inspection policy with failure due to inspection",
*Microelectronics and Reliability*, vol. 34, no. 4, pp. 599--602, 1994. - T. Dohi, A. Watanabe and S. Osaki, "A note on risk averse newsboy problem",
*Revue Francaise d'Automatique, Informatique et Recherche Operationnelle (Recherche operationnelle/Operations Research)*, vol. 28, no. 2, pp. 181--202, 1994. - T. Dohi, N. Kaio and S. Osaki, "Optimal order limit policy under cost effectiveness criterion",
*Computers & Industrial Engineering*, vol. 27, no. 1/4, pp. 197--200, 1994. - T. Dohi and S. Osaki, "Optimal inventory policies under product obsolescent circumstance",
*Computers & Mathematics with Applications*, vol. 29, no. 3, pp. 23--30, 1994. - T. Dohi, E. Kitaoka and S. Osaki, "Alternative optimality criteria of portfolio selection based upon threshold stopping rule",
*Applied Stochastic Models and Data Analysis*, vol. 10, no. 4, pp. 257--268, 1994. - T. Dohi, N. Kaio and S. Osaki, "Solution procedure for a repair limit problem using TTT-transform",
*IMA Journal of Mathematics Applied in Business and Industry*, vol. 6, no. 1, pp. 101--111, 1995. - T. Dohi, N. Kaio and S. Osaki, "Optimal production planning under diffusion demand pattern",
*Mathematical and Computer Modelling*, vol. 21, no. 11, pp. 35--46, 1995. - T. Dohi, H. Tanaka, N. Kaio and S. Osaki, "Alternative growth versus security in continuous dynamic trading",
*European Journal of Operational Research*, vol. 84, no. 2, pp. 430--443, 1995. - T. Dohi, N. Kaio and S. Osaki, "Continuous review cyclic inventory models with emergency order",
*Journal of the Operations Research Society of Japan*, vol. 38, no. 2, pp. 212--229, 1995. - T. Dohi, N. Kaio and S. Osaki, "Optimizing monitoring time in a continuous-review cyclic inventory system",
*IMA Journal of Mathematics Applied in Business and Industry*, vol. 6, no. 2, pp. 223--237, 1995. - T. Dohi, N. Kaio and S. Osaki, "Nonparametric approach to power-saving strategies for a portable personal computer (in Japanese)",
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (A)*, vol. J78-A, no. 9, pp. 1157--1165, 1995 [transletaed to*Electronics and Communications in Japan, Part 3*, vol. 80, no. 1, pp. 80--90, 1997]. - T. Dohi, N. Kaio and S. Osaki, "Optimal control of a finite dam with sample path constraint",
*Mathematical and Computer Modelling*, vol. 22, nos. 10/12, pp. 45--51, 1995. - M. Odagiri, T. Dohi, N. Kaio and S. Osaki, "On the effect of system failures for optimal checkpointing policies (in Japanese)",
*Transactions of the Institute of Systems, Control and Information Engineering (ISCIE)*, vol. 9, no. 2, pp. 41--50, 1996. - M. Odagiri, T. Dohi, N. Kaio and S. Osaki, "An economical analysis for a hybrid data backup system",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E79-A, no. 1, pp. 118--125, 1996. - T. Dohi, N. Kaio and S. Osaki, "Optimal ordering policies with time dependent delay structure",
*Journal of Quality in Maintenance Engineering*, vol. 2, no. 1, pp. 50--62, 1996. - H. Koshimae, T. Dohi, N. Kaio and S. Osaki, "Graphical/statistical approach to repair limit replacement problem",
*Journal of the Operations Research Society of Japan*, vol. 39, no. 2, pp. 230--246, 1996. - T. Dohi, N. Kaio and S. Osaki, "A statistical approach for maintenance problems with minimal repair (in Japanese)",
*The Journal of Reliability Engineering Association of Japan (REAJ)*, vol. 18, no. 4, pp. 11--14, 1996. - T. Dohi, N. Kaio and S. Osaki, "Optimal planned maintenance with salvage cost for a two-unit standby redundant system",
*Microelectronics and Reliability*, vol. 36, no. 10, pp. 1581--1588, 1996. - N. Matsushima, T. Dohi and S. Osaki, "Petri net analyses of repair limit problems for redundant computer systems (in Japanese)",
*Transactions of Information Processing Society of Japan*, vol. 37, no. 12, pp. 2457--2465, 1996. - T. Dohi, N. Matsushima, N. Kaio and S. Osaki, "Nonparametric repair limit replacement policies with imperfect repair",
*European Journal of Operational Research*, vol. 96, no. 2, pp. 260--273, 1996. - T. Dohi, N. Kaio and S. Osaki, "Generalized methods on optimal 1/N backup procedure of data floppy disk (in Japanese)",
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (A)*, vol. J80-A, no. 1, pp. 213--220, 1997. - T. Dohi, T. Aoki, N. Kaio and S. Osaki, "Computational aspects of optimal checkpoint strategy in fault-tolerant database management",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E80-A, no. 10, pp. 2006--2015, 1997. - S. Nakano, A. Murata, T. Dohi and S. Osaki, "Evaluation of factors affecting the pointing operation by physically disabled persons (in Japanese)", The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (D-II), vol. J80-D-II, no. 10, pp. 2860--2863, 1997.
- Y. Shinohara, T. Dohi and S. Osaki, "Predictive evaluation for software testing progress via GMDH networks",
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (A)*, vol. J80-A, no. 11, pp. 1982--1988, 1997 [transletaed to*Electronics and Communications in Japan, Part 3*, vol. 82, no. 5, pp. 22--28, 1999]. - Y. Shinohara, T. Dohi and S. Osaki, "Comparisons of optimal release policies for software systems",
*Computers & Industrial Engineering*, vol. 33, nos. 3/4, pp. 813--816, 1997. - T. Dohi, T. Shibuya and S. Osaki, "Models for 1-out-of-Q systems with stochastic lead times and expedited ordering options for spares inventory",
*European Journal of Operational Research*, vol. 103, no. 16, pp. 255--272, 1997. - T. Dohi, N. Kaio and S. Osaki, "Optimal software release policies with debugging time lag",
*International Journal of Reliability, Quality and Safety Engineering*, vol. 4, no. 3, pp. 241--255, 1997. - T. Dohi, H. Koshimae, N. Kaio and S. Osaki, "Geometrical interpretations of repair cost limit replacement policies",
*International Journal of Reliability, Quality and Safety Engineering*, vol. 4, no. 3, pp. 309--333, 1997. - T. Dohi, Y. Yamada, N. Kaio and S. Osaki, "The optimal lot sizing for unreliable economic manufacturing models",
*International Journal of Reliability, Quality and Safety Engineering*, vol. 4, no. 4, pp. 413--426, 1997. - T. Dohi, Y. Nishio, Y. Shinohara and S. Osaki, "Geometrical solution methods for a software release problem using artificial neural networks (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 83, no. 8, pp. 10--18, 2000]. - H. Okamura, T. Dohi and S. Osaki, "On the effect of power saving by auto-sleep functions on a computer system I -- modeling by a renewal process -- (in Japanese)",
*Transactions of Information Processing Society of Japan*, vol. 39, no. 6, pp. 1858--1869, 1998. - T. Dohi, S. Nagai and S. Osaki, "A computational method of the renewal function applying the RBF neural network (in Japanese)",
*Transactions of Japan Society for Industrial and Applied Mathematics*, vol. 8, no. 2, pp. 13--29, 1998. - T. Fujihiro, T. Dohi and S. Osaki, "Empirical research on estimation of the number of electricity faults in a distribution system (in Japanese)",
- T. Shibuya, T. Dohi and S. Osaki, "Spare part inventory models with stochastic lead times",
*International Journal of Production Economics*, vol. 55, pp. 257--271, 1998. - Y. Shinohara, Y. Nishio, T. Dohi and S. Osaki, "An optimal software release problem under cost rate criterion: artificial neural network approach",
*Journal of Quality in Maintenance Engineering*, vol. 4, no. 4, pp. 236--247, 1998. - T. Dohi, N. Kaio and S. Osaki, "Minimal repair policies for an economic manufacturing process",
*Journal of Quality in Maintenance Engineering*, vol. 4, no. 4, pp. 248--262, 1998. - M. Hatakeyama, T. Dohi and S. Osaki, "Analysis of the time series data with heteroskedastic variance via neural networks (in Japanese)",
*Transaction of the Society of Instrument and Control Engineering (SICE)*, vol. 34, no. 11, pp. 1667--1674, 1998. - T. Dohi, N. Kaio and S. Osaki, "On the optimal ordering policies in maintenance theory -- survey and applications",
*Applied Stochastic Models and Data Analysis*, vol. 14, no. 4, pp. 309--321, 1998. - T. Dohi, T. Aoki, N. Kaio and S. Osaki, "Nonparametric preventive maintenance optimization models under earning rate criteria",
*IIE Transactions on Quality and Reliability Engineering*, vol. 30, no. 12, pp. 1099--1108, 1998. - Y. Shinohara, T. Dohi and S. Osaki, "A generation algorithm of software release schedule based on a GMDH network (in Japanese)",
*The Journal of Reliability Engineering Association of Japan (REAJ)*, vol. 21, no. 1, pp. 2--10, 1999. - T. Dohi, N. Kaio and S. Osaki, "Optimal 1/N backup policies of a floppy disk under alternative criteria (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 84, no. 2, pp. 56--64, 2001]. - T. Dohi, S. Osajima, N. Kaio and S. Osaki, "On the effects of checkpoint institution methods for macroscopic database models (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 83, no. 9, pp. 23--33, 2000]. - H. Okamura, T. Dohi and S. Osaki, "On the effects of power saving in auto-sleep functions on a computer system II -- queueing models -- (in Japanese)",
*Transactions of Information Processing Society of Japan*, vol. 40, no. 3, pp. 1027--1040, 1999. - T. Dohi, H. Okamura and S. Osaki, "Optimal order limit policies for an (r, Q) inventory system",
*IMA Journal of Mathematics Applied in Business and Industry*, vol. 10, no. 2, pp. 127--145, 1999. - H. Tanaka, Y. Kadono, T. Dohi and S. Osaki, "Pricing of generalized stock index options and their correlation analysis (in Japanese)",
*Transactions of the Institute of Systems, Control and Information Engineering (ISCIE)*, vol. 12, no. 2, pp. 379--389, 1999. - M. Hatanaka, T. Fujie, T. Dohi and S. Osaki, "Application of fussy quantitative and mathematical method to evaluate the land price as fixed assets (in Japanese)",
*Communications of the Operations Research Society of Japan*, vol. 44, no, 6, pp. 308--316, 1999. - K. Nomura, T. Dohi and S. Osaki, "Stochastic behavioral analysis of failure recovery operaton in distributed database systems -- modeling by a generalized stochastic Petri net -- (in Japanese)",
- H. Okamura, T. Dohi and S. Osaki, "The auto-sleep scheduling based on power effectiveness for a computer system (in Japanese)",
- T. Dohi, Y. Nishio and S. Osaki, "Optimal software release scheduling based on artificial neural networks",
*Annals of Software Engineering*, vol. 8, pp. 167--185, 1999. - H. Okamura, T. Dohi and S. Osaki, "Optimal policies for a controlled queueing system with removable server under random vacation circumstance",
*Computers & Mathematics with Applications*, vol. 39, no. 1/2, pp. 215--227, 2000. - H. Okamura, T. Dohi and S. Osaki, "A power-effective design of auto-sleep mode for computer hard disks (in Japanese)",
*Transaction of the Society of Instrument and Control Engineering (SICE)*, vol. 36, no. 1, pp. 108--115, 2000. - T. Dohi, Y. Yatsunami, Y. Nishio and S. Osaki, "The effective smoothing techniques to estimate the optimal software release schedule based on artificial neural network",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E83-A, no. 5, pp. 796--803, 2000. - T. Dohi, K. Nomura, N. Kaio and S. Osaki, "A simulation study to analyze unreliable file systems with checkpointing and rollback recovery",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E83-A, no. 5, pp. 804--811, 2000. - H. Okamura, T. Dohi and S. Osaki, "A reliability asessment method for software products in operational phase -- proposal of an accelerated life testing model --",
*Electronics and Communications in Japan, Part 3*, vol. 84, no. 8, pp. 25--33, 2001]. - T. Dohi, T. Matsuoka and S. Osaki, "An infinite server queueing model for assessment of the software reliability (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 85, no. 3, pp. 43--51, 2002]. - T. Dohi, N. Kaio and S. Osaki, "A graphical method to repair-cost limit replacement policies with imperfect repair",
*Mathematical and Computer Modelling*, vol. 31, nos. 10/12, pp. 99--106, 2000. - T. Dohi, Y. Teraoka and S. Osaki, "Software release games",
*Journal of Optimization Theory and Applications*, vol. 105, no. 2, pp. 325--346, 2000. - T. Dohi, N. Kaio and S. Osaki, "The optimal age-dependent checkpoint strategy for a stochastic system subject to general failure mode",
*Journal of Mathematical Analysis and Applications*, vol. 249, pp. 80--94, 2000. - T. Dohi, K. Takeita and S. Osaki, "Graphical methods for determining/estimating optimal repair-limit replacement policies",
*International Journal of Reliability, Quality and Safety Engineering*, vol. 7, no. 1, pp. 43--60, 2000. - H. Nagai, T. Dohi and S. Osaki, "The nonparametric estimation of the renewal function applying the radial basis function neural network (in Japanese)",
*Transactions of Japan Society for Industrial and Applied Mathematics*, vol. 10, no. 3, pp. 17--30, 2000. - T. Dohi, H. Morishita and S. Osaki, "A statistical estimation method of optimal software release timing applying autoregressive models",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E84-A, no. 1, pp. 331--338, 2001. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki, "Optimizing the repair-time limit replacement schedule with discounting and imperfect repair",
*Journal of Quality in Maintenance Engineering*, vol. 7, no. 1, pp. 71--84, 2001. - T. Dohi, F. S. Othman, N. Kaio and S. Osaki, "The Lorenz transform approach to the optimal repair-cost limit replacement policy with imperfect repair",
*Revue Francaise d'Automatique, Informatique et Recherche Operationnelle (Recherche operationnelle/Operations Research)*, vol. 35, no. 1, pp. 21--36, 2001. - T. Dohi, N. Konoshita and S. Osaki, "A convenient estimation method of renewal functions based on histogram (in Japanese)",
- T. Dohi, N. Kaio and S. Osaki, "Determination of optimal repair-cost limit on the Lorenz curve",
*Journal of the Operations Research Society of Japan*, vol. 44, no. 3, pp. 207--219, 2001. - H. Okamura, S. Miyahara, T. Dohi and S. Osaki, "Performance evaluation of workload-based software rejuvenation scheme",
*IEICE Transactions on Information and Systems (D)*, vol. E84-D, no. 10, pp. 1368--1375, 2001. - T. Dohi, N. Kaio and S. Osaki, "Optimal periodic maintenance strategy under an intermittently used environment",
*IIE Transactions on Quality and Reliability Engineering*, vol. 33, no. 12, pp. 1037--1046, 2001. - T. Dohi, H. Okamura and S. Osaki, "Optimal control of preventive maintenance schedule and safety stocks in an unreliable manufacturing environment",
*International Journal of Production Economics*, vol. 74, pp. 147--155, 2001. - T. Dohi, K. Goseva-Popstojanova and K. S. Trivedi, "Estimating software rejuvenation schedule in high assurance systems",
*The Computer Journal*, vol. 44, no. 6, pp. 473--485, 2001. - Y. Nishio, T. Dohi and S. Osaki, "A reliability assessment of software product based on proportional hazard models (in Japanese)",
- T. Dohi, N. Kaio and S. Osaki, "Determination of cost-effective preventive maintenance schedule for a telecommunication software system (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 86, no. 7, pp. 197--206, 2003]. - N. Konoshita, T. Dohi and S. Osaki, "Non-parametric estimation of a renewal function using an artificial neural network -- application of direct Rieman-Stieltzes integration method (in Japanese)",
*Transactions of the Institute of Systems, Control and Information Engineering (ISCIE)*, vol. 15, no. 4, pp. 184--193, 2002. - H. Okamura, Y. Watanabe, T. Dohi and S. Osaki, "An estimation of software reliability models based on EM algorithm (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 86, no. 6, pp. 442--450, 2003]. - H. Okamura, S. Kuroki, T. Dohi and S. Osaki, "A reliability growth model for modular software (in Japanese)",
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (D-I)*, vol. J85-D-I, no. 9, pp. 905--914, 2002 [translated to*Electronics and Communications in Japan, Part 2*, vol. 87, no. 5, pp. 43--53, 2004]. - M. Ito, H. Okamura and T. Dohi, "Software safety assessment based on a subordinated Markov chain model (in Japanese)",
*Electronics and Communications in Japan, Part 3*, vol. 87, no. 5, pp. 24--32 (2004)]. - H. Suzuki, T. Dohi and H. Okamura, "Cost-effective analysis of periodic software rejuvenation policies for a telecommunication billing application",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E85-A, no. 12, pp. 2923--2932, 2002. - H. Okamura, S. Miyahara and T. Dohi, "Refined non-homogeneous Markovian models for a single server software system with rejuvenation",
- Iwamoto, T. Dohi, H. Okamura and N. Kaio, "Estimation of discrete-time software rejuvenation schedule based on the cost effectiveness (in Japanese)",
- Y. Nishio and T. Dohi, "Determination of the optimal software release time based on proportional hazards software reliability growth models",
*Journal of Quality in Maintenance Engineering*, vol. 9. no. 1, pp. 48--65, 2003. - K. Honda, T. Dohi and H. Okamura, "A note on evaluation of software fault density based on the module size distribution (in Japanese)",
- H. Okamura, T. Ishikura and T. Dohi, "An optimal control of auto-sleep systems based on the Q-learning (in Japanese)",
*Transaction of the Society of Instrument and Control Engineering (SICE)*, vol. 39, no. 6, pp. 590--599, 2003. - H. Okamura, K. Kitasuka and T. Dohi, "Performance evaluation of genetic algorithms based on Markovian analysis -- evaluation by relaxation time and application to real-coded genetic algorithm (in Japanese)",
*Transactions of the Institute of Systems, Control and Information Engineering (ISCIE)*, vol. 16, no. 7. pp. 303--312, 2003. - H. Okamura, S. Miyahara and T. Dohi, "Dependability analysis of a transaction-based multi server system with rejuvenation",
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E86-A, no. 8, pp. 2081--2090, 2003. - J. W. Kim, W. Y. Yun and T. Dohi, "Estimating the mixture of proportional hazards model with incomplete data",
*Journal of Quality in Maintenance Engineering*, vol. 9, no. 3, pp. 265--278, 2003. - T. Dohi, K. Iwamoto, H. Okamura and N. Kaio, "Discrete availability models to rejuvenate a telecommunication billing application",
*IEICE Transactions on Communications (B)*, vol. E86-B, no. 10, pp. 2931--2939, 2003. - H. Okamura, H. Fujio and T. Dohi, "Fine-grained shock models to rejuvenate software systems",
*IEICE Transactions on Information and Systems (D)*(short note), vol. E86-D, no. 10, pp. 2165--2171, 2003. - T. Dohi, N. Kaio and S. Osaki, "A new graphical method to estimate the optimal repair-time limit with incomplete repair and discounting",
*Computers & Mathematics with Applications*, vol. 46, no. 7, pp. 999--1007, 2003. - H. Okamura, T. Dohi and S. Osaki, "A structural approximation method to generate the optimal auto-sleep schedule for a computer system,",
*Computers & Mathematics with Applications*, vol. 46, no. 7, pp. 1103--1110, 2003. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki, "The optimal repair-time limit replacement policy with imperfect repair: Lorenz transform approach,"
*Mathematical and Computer Modelling*, vol. 38, nos. 11/13, pp. 1169--1176, 2003. - T. Dohi, K. Yasui and S. Osaki, "Software reliability assessment models based on cumulative Bernoulli trial processes,"
*Mathematical and Computer Modelling*, vol. 38, nos. 11/13, pp. 1177--1184, 2003. - H. Okamura, T. Dohi and S. Osaki, "The phase type approximation for the optimal auto-sleep scheduling,"
*Mathematical and Computer Modelling*, vol. 38, nos. 11/13, pp. 1391--1398, 2003. - N. Kobayashi, H. Okamura and T. Dohi, "Characteristic analysis of computer viruses by stochastic models (in Japanrese)",
*Transactions of Information Processing Society of Japan*, vol. 45, no. 5, pp. 1432--1441, 2004. - T. Dohi, K. Iwamoto, N. Kaio and S. Osaki, "A generalized discrete-time order-replacement model,"
*IMA Journal of Management Mathematics*, vol. 15, no. 2, pp. 125--138, 2004. - T. Dohi, H. Suzuki and K. S. Trivedi, "Comparing software rejuvenation policies under different dependability measures,"
*IEICE Transactions on Information and Systems (D)*, vol. E87-D, no. 8, pp. 2078--2085, 2004. - H. Okamura, M. Ando and T. Dohi, "Generalized-gamma software reliability model (in Japanese)",
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (D-I)*, vol. J87-D-I, no. 8, pp. 805--814, 2004. - B. C. Giri and T. Dohi, "Optimal lot sizing for an unreliable production system based on net present value approach,"
*International Journal of Production Economics*, vol. 92, pp. 157--167, 2004. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki, "A simulation study on the cost distribution under age replacement policy with discounting,"
*Industrial Engineering and Management System*, vol. 3, no. 2, pp. 143--148, 2004. - T. Danjou, T. Dohi, N. Kaio and S. Osaki, "Analysis of periodic sotware rejuvenation policies based on net present value approach,"
*International Journal of Reliability, Quality and Safety Engineering*, vol.11, no. 4, pp. 313--327, 2004. - B. C. Giri, W. Y. Yun and T. Dohi, "Optimal design of unreliable production/inventory systems with variable production rate,"
*European Journal of Operational Research*, vol. 162, pp. 372--386, 2005. - B. C. Giri, W. Y. Yun and T. Dohi,�Optimal lot sizing in an unreliable two-stage serial production/inventory system,�
*International Transactions in Operational Research*, vol. 12, pp. 63--82, 2005. - H. Okamura, M. Ando and T. Dohi, "Development of a software reliability assessment tool on spreadsheet software (SRATS) (in Japanese),"
*The Transactions of the Institute of Electronics, Information and Communication Engineering (IEICE) (D-I)*, vol. J88-D-I, no. 2, pp. 205--214, 2005. - B. C. Giri and T. Dohi,�Exact formulation of stochastic EMQ model for an unreliable production system,�
*Journal of the Operational Research Society*, vol. 56, pp. 563--575, 2005. - B. C. Giri and T. Dohi,�Computational aspects of an extended EMQ model with variable production rate,�
*Computers & Operations Research*, vol. 32, pp. 3143--3161, 2005. - K. Rinsaka and T. Dohi,�Optimal testing/maintenance design in a software development project (in Japanese),�
*Electronics and Communications in Japan, Part 3*, vol. 89, no. 8, pp. 1--9, 2006]. - K. Rinsaka and T. Dohi,�Determination of optimal warranty period in a software development project,�
*International Journal of Quality and Reliability Management*, vol. 22, no. 7, pp. 715--730, 2005. - B. C. Giri, T. Dohi and N. Kaio,�Discrete-time spare ordering policy with lead time and discounting,�
*Journal of Quality in Maintenance Engineering*, vol. 11, no. 3, pp. 191--205, 2005. - K. Rinsaka and T. Dohi,�Determining the discrete warranty period in a software development project,�
*Asian Pacific Management Review Journal*, vol. 10, no. 4, pp. 225--232, 2005. - K. Rinsaka and T. Dohi,�Behavioral analysis of fault-torellant software systems with rejuvenation,�
*IEICE Transactions on Information and Systems (D)*, vol. E88-D, no. 12, pp. 2681--2690, 2005. - H. Okamura, S. Miyahara and T. Dohi,�Rejuvenating communication network system with burst arrival,�
*IEICE Transactions on Communications (B)*, vol. E88-B, no. 12, pp. 4498--4506, 2005. - H. Okamura, S. Miyauchi and T. Dohi,�A Web page ranking algorithm based on a Markov decision process (in Japanese),�
- K. Iwamoto, T. Dohi, H. Okamura and N. Kaio,�Discrete-time cost analysis for a telecommunication billing application with rejuvenation,�
*Computers & Mathematics with Applications*, vol. 51, no. 2, pp. 335--344, 2006. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki,�Statistical estimation algorithms for some repair--limit replacement scheduling problems under earning rate criteria,�
*Computers & Mathematics with Applications*, vol. 51, no. 2, pp. 345--356, 2006. - H. Okamura, A. Murayama and T. Dohi,�A unified parameter estimation algorithm for discrete software reliability models,�
*Opsearch*, vol. 42, no. 4, pp. 355--377, 2006. - H. Okamura, H. Furumura and T. Dohi,�Parameter estimation for trend-curve-based software reliability models (in Japanese),"
*Transactions of Information Processing Society of Japan*, vol. 47, no. 3, pp. 897--905, 2006. - T. Dohi, H. Suzuki and S. Osaki,�Transient cost analysis of non-Markovian software systems with rejuvenation,�
*International Journal of Performability Engineering*, vol. 2, no. 3, pp. 233--243, 2006. - B. C. Giri and T. Dohi,�Cost-effective production policy for a stochastic unreliable manufacturing system,�
*IMA Journal of Management Mathematics*, vol. 17, pp. 209--223, 2006.. - T. Ozaki, T. Dohi, H. Okamura and N. Kaio,�Distribution-free checkpoint placement algorithms based on min-max principle,�
*IEEE Transactions on Dependable and Secure Computing*, vol. 3, no. 2, pp. 130--140, 2006. - T. Ishii and T. Dohi, �Testing-effort dependent software reliability models based on two-dimensional NHPPs (in Japanese),�
- H. Okamura, K. Tateishi and T. Dohi, �Statistical models for propagation of computer virus based on non-homogeneous Poisson processes (in Japanese),�
- H. Okamura, K. Iwamoto and T. Dohi,�A dynamic programming algorithm for software rejuvenation scheduling under distributed computation circumstance,�
*Journal of Computer Science*, vol. 2, no. 6, pp. 505--512, 2006. - H. Eto and T. Dohi,�Determining the optimal software rejuvenation schedule via semi-Markov decision process,�
*Journal of Computer Science*, vol. 2, no. 6, pp. 528--534, 2006. - H. Okamura, K. Iwamoto and T. Dohi,�A DP-based optimal checkpointing algorithm for real-time appications,�
*International Journal of Reliability, Quality and Safety Engineering*, vol. 13. no. 4, pp. 323--340, 2006. - B. C. Giri and T. Dohi,�Optimal inspection schedule in an imperfect EMQ model with free repair warranty policy,�
*Journal of the Operations Research Society of Japan*, vol. 49, no. 3, pp. 222--237, 2006. - B. C. Giri and T. Dohi,�Optimal lot sizing for an unreliable manufacturing system under cost-effectiveness criterion,�
*Asian Pacific Management Review Journal*, vol. 11, no. 3, pp. 187--193, 2006. - T. Dohi, T. Danjou and N. Kaio,�Determining the optimal delivery schedule of spare units via NPV approach,�
*Asian Pacific Management Review Journal*, vol. 11, no. 4, pp. 205--212, 2006. - K. Iwamoto, T. Dohi and N. Kaio,�Estimating discrete-time periodic software rejuvenation schedules under cost effectiveness criterion,�
*International Journal of Reliability, Quality and Safety Engineering*, vol. 13, no. 6, pp. 565--580, 2006. - B. C. Giri, T. Dohi and N. Kaio,�Discrete-time spare ordering policy with randomized lead times and discounting,�
*International Transactions in Operational Research*, vol. 13, no. 6, pp. 561--576, 2007. - T. Dohi, N. Kaio and S. Osaki,�Estimating cost-effective checking request policies,�
*Quality Technology and Quantitative Management*, vol. 4, no. 2, pp. 1--13, 2007. - B. C. Giri and T. Dohi,�Inspection scheduling for imperfect production processes under free repair warranty contract,�
*European Journal of Operational Research*, vol. 183, pp. 238--252, 2007. - T. Dohi, N. Kaio and S. Osaki,�Optimal (T, S)-policies in a discrete-time opportunity-based age replacement: an empirical study,�
*International Journal of Industrial Engineering*, vol.14, no. 4, 340--347, 2007. - K. Shibata, K. Rinsaka and T. Dohi,�Dynamic software reliability modeling with discrete-test metrics; how good is it?,�
*International Journal of Industrial Engineering*, vol.14, no. 4, 332--339, 2007. - K. Iwamoto, T. Dohi and N. Kaio,�Estimating periodic software rejuvenation schedule in discrete operational circumstance,�
*IEICE Transactions on Information & Systems (D)*, vol. E91-D, no. 1, pp. 23--31, 2008. - T. Uemura and T. Dohi,�Cost-effectiveness analysis of intrusion tolerant system subject to DoS attack (in Japanese),�
- T. Ishii, T. Fujiwara and T. Dohi,�Bivariate extension of discrete software reliability modeling with number of test casess,�
*International Journal of Reliability, Quality and Safety Engineering*, vol. 15, no. 1, pp. 1-17, 2008. - H. Okamura and T. Dohi,�Software reliability modeling based on mixed Poisson distributions,�
*International Journal of Reliability, Quality and Safety Engineering*, vol. 15, no. 1, pp. 9-32, 2008. - B. C. Giri and T. Dohi,�Determining EMQ for an unreliable manufacturing system in discrete time setting,�
*International Journal of Operational Research*, vol. 3, no. 5, pp. 557--574, 2008. - K. Iwamoto , T. Dohi and N. Kaio,�Discrete repair-cost limit replacement policies with/without imperfect repair,�
*Asia-Pacific Journal of Operational Research*, vol. 25, no. 2, pp. 735--751, 2008. - K. Ohishi, H. Okamura and T. Dohi,�Gompertz software reliability model: estimation algorithm and empirical validation,�
*Journal of Systems and Software*, vol. 82, 535--543, 2009. - T. Ozaki, T. Dohi and N. Kaio,�Numerical computation algorithms for sequential checkpoint placement,�
*Performance Evaluation*, vol. 66, pp. 311--326, 2009. - K. Rinsaka and T. Dohi,�Estimating the optimal software rejuvenation schedule with small sample data,�
*Quality Technology and Quantitative Management Journal*, vol. 6, no. 1, pp. 55--65, 2009. - Y. Sakai, K. Rinsaka and T. Dohi,�A cyber-attack detection model based on multivariate analyses,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E92-A, no. 7, pp. 1585--1592, 2009. - H. Okamura and T. Dohi,�Software reliability modeling based on capture-recapture sampling,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E92-A, no. 7, pp. 1615--1622, 2009. - K. Tateishi, H. Okamura and T. Dohi, �Transient analysis of internet-worm propagation based on simple birth and death process,�
*International Journal of Reliability and Quality Performance*, vol. 1, no. 1, pp. 1--9, 2009. - H. Okamura, T. Dohi and K. S. Trivedi, �Markovian arrival process parameter estimation with group data,�
*IEEE/ACM Transactions on Networking*, vol. 17, no. 4, pp. 1326--1339, 2009. - B. C. Giri and T. Dohi,�Cost-effective ordering policies for inventory systems with emergency order,�
*Computers & Industrial Engineering*, vol. 57, pp. 1336--1341, 2009. - B. C. Giri and T. Dohi,�Quantifying the risk in age and block replacement policies,�
*Journal of the Operational Research Society*, vol. 20, pp. 1151--1158, 2009. - T. Uemura, T. Dohi and N. Kaio,�Availability analysis of an intrusion tolerant distributed server system with preventive maintenance,�
*IEEE Transactions on Reliability*, vol. 59, no. 1, pp. 18--29, 2010. - T. Fujii and T. Dohi,�Identifying statistical failure mechanism of web server systems: measurement and reliability analysis,�
*International Journal of Business Intelligence and Data Mining*, vol. 5, no. 2, pp. 156--171, 2010. - T. Uemura and T. Dohi,�Optimal security patch management policies maximizing system availability,�
*Journal of Communications*, vol. 5, no. 1, pp. 71--80, 2010. - T. Uemura, T. Dohi and N. Kaio,�Dependability analysis of a scalable intrusion tolerant architecture with two detection modes,�
*Journal of Internet Technology*, vol. 11, no. 2, pp. 289--298, 2010. - H. Okamura and T. Dohi,�Comprehensive evaluation of aperiodic checkpointing and rejuvenation schemes in operational software system,�
*Journal of Systems and Software*, vol. 83, pp. 1591--1604, 2010. - X. Xiao and T. Dohi,�Estimating the error rate in an Apache web server system,�
*International Journal of Software Engineering and Its Applications*, vol. 4, no.3, pp. 19--28, 2010. - Y. Yamaguchi, H. Okamura and T. Dohi,�Variational Bayesian approach for estimating parameters of a mixture of Erlang distributions,�
*Communications in Statistics -Theory and Methods*, vol. 39, no. 3, pp. 2333--2350, 2010. - C.-H. Wang, T. Dohi and W. C. Tsai,�Coordinated procurement/inspection and production model under inspection errors,�
*Computers & Industrial Engineering*, vol. 59, no. 3, pp. 473--478, 2010. - H. Okamura and T. Dohi,�An EM-based scheme for record value statistics models in software reliability estimation,�
*International Journal of Advanced Science and Technology*, vol. 20, pp. 43--52, 2010. - T. Dohi, N. Shibata and N. Kaio,�Analysis of two economic testing policies in discrete time,�
*Quality Technology and Quantitative Management Journal*, vol. 7, no. 4, pp. 365--376, 2010. - Y. Yamaguchi, H. Okamura and T. Dohi,�Approximate computation for posterior distribution with parameter correlation using variational Bayes (in Japanese)",
*Transactions of Japan Society for Industrial and Applied Mathematics*, vol. 21, no. 1, pp. 73--88, 2011. - H. Okamura and T. Dohi,�Software safety assessment based on a subordinated Markov chain,�
*International Journal of Systems Assurance Engineering and Management*, vol. 1, no. 3, pp.307--315, 2011. - S. Mizoguchi and T. Dohi,�A fine-grained algorithm for non-parametric software reliability estimation,�
*International Journal of Software Engineering and Its Applications*, vol. 5, no. 3, pp. 23--36, 2011. - H. Okamura, T. Dohi and K. S. Trivedi,�A refined EM algorithm for PH distributions,�
*Performance Evaluation*, vol. 68, pp. 938--954, 2011. - X. Xiao, H. Okamura and T. Dohi,�NHPP-based software reliability models using equilibrium distribution,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E95-A, no. 5, pp. 894--902, 2012. - X. Xiao and T. Dohi,�A comparative study of data transformations for wavelet shrinkage estimation with application to software reliability assessment,�
*Advances in Software Engineering*, vol. 2012, pp. 1--9, 2012. - T. Ishii, T. Dohi and H. Okamura,�Software reliability prediction based on least squares estimation,�
*Quality Technology and Quantitative Management Journal*, vol. 9, no. 3, pp. 243--264, 2012. - T. Dohi, H. Okamura and K. S. Trivedi,�Comparison of software cost models with rejuvenation under two steady-state criteria,�
*International Journal of Reliability and Quality Performance*, vol. 3, no. 1, pp. 1--13, 2012. - T. Dohi and T. Uemura,�An adaptive mode control algorithm of a scalable intrusion tolerant architecture,�
*Journal of Computer and System Sciences*, vol. 78, no. 6, pp. 1751--1774, 2012. - S. Ikemoto and T. Dohi,�Exponential regression-based software reliability model and its computational aspect,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E95-A, no. 9, pp. 1461--1468, 2012. - X. Xiao and T. Dohi,�Software failure time data analysis via wavelet-based approach,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E95-A, no. 9, pp. 1490--1497, 2012. - B. Zhou, H. Okamura and T. Dohi,�Application of Markov chain Monte Carlo random testing to test case prioritization in regression testing,�
*IEICE Transactions on Information & Systems (D)*, vol. E95-D, no. 9, pp. 2219--2226, 2012. - Z. Yi and T. Dohi,�Survivability analysis for a wireless ad hoc network based on semi-Markov model,�
*IEICE Transactions on Information & Systems (D)*, vol. E95-D, no. 12, pp. 2844--2851, 2012. - T. Ishii and T. Dohi,�Two-dimensional software defect models with test execution history,�
*Journal of ISRN Software Engineering*, vol. 2012, pp. 1--12, 2012. - B. Zhou, H. Okamura and T. Dohi,�Enhancing performance of random testing through Markov chain Monte Carlo methods,�
*IEEE Transactions on Computers*, vol. 62, no. 1, pp. 186--192, 2013. - X. Xiao and T. Dohi,�A study on applying extreme value distribution to NHPP-based SRM,�
*Information*, vol. 162, no. 1(B), pp. 575--580, 2013. - X. Xiao and T. Dohi,�On the role of Weibull-type distributions in NHPP-based software reliability modeling,�
*International Journal of Performability Engineering*, vol. 9, no. 2, pp. 123--132, 2013. - X. Xiao and T. Dohi,�Wavelet shrinkage estimation for NHPP-based software reliability models,�
*IEEE Transactions on Reliability*, vol. 62, no. 1, pp. 211--225, 2013. - H. Okamura and T. Dohi,�Dynamic software rejuvenation policies in a transaction-based system under Markovian arrival processes,�
*Performance Evaluation*, vol. 70, no. 3, pp. 197--211, 2013. - H. Okamura, T. Dohi and S. Osaki,�Software reliability growth models with normal failure time distributions,�
*Reliability Engineering and System Safety*, vol. 116, pp. 135--141, 2013. - H. Okamura, M. Tokuzane and T. Dohi,�Quantitative security evaluation for software system from vulnerability database,�
*Journal of Software Engineering and Applications*, vol. 6, no. 4A, pp. 15--23, 2013. - S. Hiroyama, T. Dohi and H. Okamura,�Aperiodic checkpoint placement algorithms -- survey and comparison --,�
*Journal of Software Engineering and Applications*, vol. 6, no. 4A, pp. 41--53, 2013. - S. Ukimoto and T. Dohi,�A software cost model with reliability constraint under two operational scenarios,�
*International Journal of Software Engineering and Its Applications*, vol. 7, no. 3, pp. 427--438, 2013. - H. Okamura, T. Dohi and K. S. Trivedi,�Improvement of expectation-maximization algorithm for phase-type distributions with grouped and truncated data,�
*Applied Stochastic Models in Business and Industry*, vol. 29, pp. 141-156, 2013. - X. Xiao and T. Dohi,�A measurement-based approach for estimating error rate of a web server system,�
*International Journal of Reliability and Safety*, vol. 17, no. 1, pp. 1-16, 2013. - H. Okamura, T. Hirata and T. Dohi,�Semi-parametric approach for software reliability evaluation using mixed gamma distributions,�
*International Journal of Software Engineering and Its Applications*, vol. 7, no. 4, pp. 401--414, 2013. - H. Okamura, H. Kishikawa and T. Dohi,�Application of deterministic annealing EM algorithm to MAP/PH parameter estimation,�
*Telecommunication Systems Journal*, vol. 54, no. 1, pp. 79--90, 2013. - X. Xiao and T. Dohi,�Estimating software intensity function based on translation-invariant Poisson smoothing approach,�
*IEEE Transactions on Reliability*, vol.62, no. 4, pp. 930--945, 2013. - H. Okamura and T. Dohi,�Optimal trigger time of software rejuvenation under probabilistic opportunities,�
*IEICE Transactions on Information & Systems (D)*, vol. E96-D, no. 9, pp. 1933--1940, 2013. - C. Luo, H. Okamura and T. Dohi,�Performance evaluation of snapshot isolation in distributed database system under failure-prone environment,�
*Journal of Supercomputing*, 2014. - H. Okamura, R. Watanabe and T. Dohi,�Variational Bayes for phase-type distribution,�
*Communications in Statistics -Simulation and Computation*, vol. 43, no. 8, pp. 2031--2044, 2014. - X. Xiao and T. Dohi,� Interval estimation method for decision making in wavelet-based software reliability assessment,�
*IEICE Transactions on Information & Systems (D)*, vol. E97-D, no. 5, pp. 1058--1068, 2014. - H. Okamura, K. Yamamoto and T. Dohi,�Transient analysis of software rejuvenation policies in virtualized system: phase-type expansion approach,�
*Quality Technology and Quantitative Management Journal*, vol. 11, no. 3, pp. 335--352, 2014. - T. Dohi,�Availability and performability analysis for a service degradation process with condition-based preventive maintenance I -- formulation and optimization,�
*International Journal of Strategic Engineering Asset Management*, vol. 2, no. 1, pp. 80--97, 2014. - T. Dohi,�Availability and performability analysis for a service degradation process with condition-based preventive maintenance II -- estimation and simulation,�
*International Journal of Strategic Engineering Asset Management*, vol. 2, no. 1, pp. 98--115, 2014. - S. Tokumoto, T. Dohi and W. Y. Yun,�Bootstrap confidence interval of optimal age replacement policy,�
*International Journal of Reliability, Quality and Safety Engineering*, vol. 21, no. 4, pp. 98--115, 2014. - X. Xiao and T. Dohi,�Exponential-like software reliability models based on binomial process,�
*International Journal of Reliability and Quality Performance*, vol. 6, no. 2, pp. 79--87, 2014. - Y. Saito, T. Dohi and W. Y. Yun,�Uncertainty analysis for a periodic replacement problem with minimal repair: parametric bootstrapping,�
*International Journal of Industrial Engineering*, vol. 21, no. 6, pp. 337--347, 2014. - J. Zheng, H. Okamura and T. Dohi,�Availability importance measures for virtualized system with live migration,�
*Applied Mathematics*, vol. 6, pp. 359--372, 2015. - K. Shibata, K. Rinsaka and T. Dohi,�M-SRAT: Metrics-based software reliability assessment tool,�
*International Journal of Performability Engineering*, vol. 11, no. 4, pp. 369-380, 2015. - Y. Saito and T. Dohi,�Stochastic marksmanship contest games with random termination -- survey and applications,�
*Journal of the Operations Research Society of Japan*, vol. 58, no. 3, pp. 223--246, 2015. - Y. Saito and T. Dohi,�Software reliability assessment via non-parametric maximum likelihood estimation,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E98-A, no. 10, pp. 2042--2050, 2015. - H. Okamura, J. Guan, C. Luo and T. Dohi,�Quantifying resiliency of virtualized system with software rejuvenation,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*, vol. E98-A, no. 10, pp. 2051--2059, 2015. - T. Imanaka and T. Dohi,�Software reliability modeling based on Burr XII distributions,�
*IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (A)*vol. E98-A, no. 10, pp. 2091--2095, 2015. - H. Okamura, Z. Yi and T. Dohi,�Network survivability modeling and analysis for power-aware MANETs by Markov regenerative processes,�
*Telecommunication Systems Journal*, vol. 60, pp. 471--484, 2015. - J. Zheng, H. Okamura and T. Dohi,�Survivability analysis of VM-based intrusion tolerant systems,�
*IEICE Transactions on Information & Systems (D)*, vol. E98-D, no. 12, pp. 2082--2090, 2015. - Z. Yi and T. Dohi,�Toward highly dependable power-aware mobile ad hoc network -- survivability evaluation framework --,�
*IEEE Access*, vol. 3, pp. 2665--2676, 2015. - H. Okamura, S. Miyata and T. Dohi,�A Markov decision process approach to dynamic power management in a cluster system,�
*IEEE Access*, vol. 3, pp. 3039--3047, 2015. - T. Dohi and H. Okamura,�Towards development of the next-generation software reliability assessment technology (in Japanese),�
*SEC Journal*, vol. 10, no. 10, pp. 28--35, 2015. - C. Luo, H. Okamura and T. Dohi,�Optimal planning for open source software updates,�
*Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability*, vol. 230, no.1, pp. 44--53, 2016. - Y. Saito and T. Dohi,�Kernel-based nonparametric estimation methods for a periodic replacement problem with minimal repair,�
*Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability*, vol. 230, no.1, pp. 54--66, 2016. - H. Okamura and T. Dohi,�PH fitting algorithm and its application to reliability engineering,�
*Journal of the Operations Research Society of Japan*, vol. 59, no. 1, pp. 72--109, 2016. - K. Rinsaka and T. Dohi,�Toward high assurance software systems with adaptive fault management,�
*Software Quality Journal*, vol. 24, pp. 65--85, 2016. - Y. Saito and T. Dohi,�Optimal software release decision based on nonparametric inference approach,�
*Journal of the Japan Industrial Management Association*, vol. 66, pp. 396--405, 2016. - H. Okamura and T. Dohi,�Analysis of optimal restart policies for software systems,�
*Journal of the Japan Industrial Management Association*, vol. 66, pp. 416--425, 2016. - Y. Saito and T. Dohi,�Predicting software reliability via completely monotone nonparametric estimator with grouped data,�
*Journal of Systems and Software*, vol. 117, pp. 2296--306, 2016. - B. Momotaz and T. Dohi,�Estimating prediction interval of cumulative number of software faults using back propagation algorithm,�
*International Journal of Computer and Information Science*, vol. 17, no. 2, pp. 25--34, 2016. - H. Okamura and T. Dohi,�Phase-type software reliability model: parameter estimation algorithms with grouped data,�
*Annals of Operations Research*, vol. 244, no. 1, pp. 177--208, 2016. - H. Okamura and T. Dohi,�Dynamic power management with optimal time-out policies,�
*IEEE Systems Journal*(in press). - T. Dohi and H. Okamura,�Dynamic software availability model with rejuvenation,�
*Journal of the Operations Research Society of Japan*, vol. 59, no. 4, pp. ???--???, 2016. - Y. Saito and T. Dohi,�Another look at nonparametric estimation for trend renewal processes,�
*Journal of the Operations Research Society of Japan*, vol. 59, no. 4, pp. ???--???, 2016. - T. Dohi and H. Okamura,�Development of a support tool for qualitative reliability/safety analysis (in Japanese),�
*SEC Journal*(in press).

**Refereed Conference/Symposium/Workshop Papers**

- N. Kaio, T. Dohi and S. Osaki,�A note on replacement policies for a cumulative damage model with several shock modes,�
*Proceedings of the 1st China-Japan International Symposium on Industrial Management (ISIM'91)*(W. Huafang, W. Xiaolu and W. Gang, eds.), pp. 56--60, International Academic Publishers, Beijing, China, 1991. - T. Dohi, N. Kaio and S. Osaki,�A note on optimal production planning with lognormal diffusion demand,�
*Proceedings of the 1st China-Japan International Symposium on Industrial Management (ISIM'91)*(W. Huafang, W. Xiaolu and W. Gang, eds.), pp. 566--571, International Academic Publishers, Beijingn China, 1991. - H. Tanaka, T. Dohi, N. Kaio and S. Osaki,�An investment strategy of European stock option trading,�
*Operations Research Proceedings 1990 (Proceedings of International Conference on Operations Research)*(W. Buhler, G. Feichtinger, R. F. Radermacher and P. Stahly, eds.), pp. 555--562, Springer-Verlag, Heidelberg, Germany, 1992. - T. Dohi, H. Tanaka, N. Kaio and S. Osaki,�A simple portfolio optimization under threshold stopping rule,�
*Optimization: Techniques and Applications (ICOTA'92)*(K. H. Phua, C. M. Wang, W. Y. Yeong, T. Y. Leong, H. T. Loh, K. C. Tan and F. S. Chou, eds.), vol. 2, pp. 1090--1099, World Scientific, Singapore, 1992. - T. Dohi, N. Kaio and S. Osaki,�Optimal control of a finite dam with a sample path constraint,�
*Proceedings of the Australia-Japan Workshop on Stochastic Models in Engineering, Technology & Management*(S. Osaki and D. N. P. Murthy, eds.), pp. 117--123, World Scientific, Singapore, 1993. - E. Kitaoka, T. Dohi and S. Osaki,�Alternative optimality criteria of portfolio selection based upon threshold stopping rule,�
*Proceedings of the Australia-Japan Workshop on Stochastic Models in Engineering, Technology & Management*(S. Osaki and D. N. P. Murthy, eds.), pp. 286--292, World Scientific, Singapore, 1993. - N. Kaio, T. Dohi and S. Osaki,�A note on block replacement policies with system down state,�
*Proceedings of the 2nd China-Japan International Symposium on Industrial Management (ISIM'93)*(C. Gu and H. Osaki, eds.), pp. 14--18, International Academic Publishers, Beijing, 1993. - T. Dohi, N. Kaio and S. Osaki,�Optimal order limit policy under cost effectiveness criterion,�
*Proceedings of 16th International Conference on Computers & Industrial Engineering (ICC & IE-94)*, pp. 710--713, 1994. - T. Dohi, N. Kaio and S. Osaki,�Optimal ordering policies for a two-unit standby redundant system under cost effectiveness criterion,�
*Proceedings of 1994 Pacific Conference on Manufacturing (PCM'94)*, pp. 1047--1054, 1994. - T. Dohi, N. Kaio and S. Osaki,�A graphical method to repair-cost limit replacement policies with imperfect repair,�
*Proceedings of the 2nd Australia-Japan Workshop on Stochastic Models in Engineering, Technology & Management*(R. J. Wilson, D. N. P. Murthy and S. Osaki, eds.), pp. 112--122, Technology Management Centre, The University of Queensland, Brisbane, Australia, 1996. - Y. Shinohara, M. Imanishi, T. Dohi and S. Osaki,�Software reliability prediction using neural network technique,�
*Proceedings of the 2nd Australia-Japan Workshop on Stochastic Models in Engineering, Technology & Management*(R. J. Wilson, D. N. P. Murthy and S. Osaki, eds.), pp. 564--571, Technology Management Centre, The University of Queensland, Brisbane, Australia, 1996. - N. Kaio, T. Dohi and S. Osaki,�Modified block replacement policies taking account of allowed minimal repairs,�
*Proceedings of the 3rd China-Japan International Symposium on Industrial Management (ISIM'96)*(F. Yuncheng and H. Osaki, eds.), pp. 124--127, International Academic Publishers, Beijing, China, 1996. - Y. Shinohara, T. Dohi and S. Osaki,�Comparisons of optimal release policies for software systems,�
*Proceedings of 20th International Conference on Computers & Industrial Engineering (ICC & IE-96)*, pp. 493--496, 1996. - T. Dohi, N. Kaio and S. Osaki,�The optimal control of production time limit,�
*Proceedings of the Pacific Conference on Manufacturing'96 (PCM'96)*, vol. 1, pp. 409--416, 1996. - T. Dohi and S. Osaki,�The optimal policy for an economic manufacturing model with stochastic machine breakdown and repair,�
*Proceedings of the 6th IFIP TC5/WG5.7 International Conference on Advances in Production Management Systems (APMS'96)*, pp. 225--230, 1996. - H. Okamura, T. Dohi and S. Osaki,�Optimal timing strategies for controlled $M/G/1$ queueing system via diffusion approximation approach,�
*Proceedings of the 28th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 96)*, pp. 143--148, 1996. - T. Dohi, T. Aoki, N. Kaio and S. Osaki,�Performance evaluation of nonparametric age replacement methods -- survey and comparison --�,
*Stochastic Modelling in Innovative Manufacturing: UK--Japanese Research Workshop on Stochastic Modelling in Innovative Manufacturing*(A. H. Christer, S. Osaki and L. C. Thomas, eds.), Lecture Notes in Economics and Mathematical Systems, vol. 445, pp. 165--187, Springer-Verlag, Berlin, 1997. - T. Dohi, M. Hatakeyama and S. Osaki,�On the network size for neuro-based stock option forecasting system�,
*Stochastic Modelling in Innovative Manufacturing: UK--Japanese Research Workshop on Stochastic Modelling in Innovative Manufacturing*(A. H. Christer, S. Osaki and L. C. Thomas, eds.), Lecture Notes in Economics and Mathematical Systems, vol. 445, pp. 337--347, Springer-Verlag, Berlin, 1997. - T. Dohi, N. Kaio and S. Osaki,�On the optimal ordering policies in maintenance theory -- survey and applications --,�
*Proceedings of VIII International Symposium on Applied Stochastic Models and Data Analysis: Invited & Specialised Sessions Papers (ASMDA'97)*, pp. 29--38, 1997. - T. Dohi, N. Kaio and S. Osaki,�Spare parts inventory control policies under cost effectiveness criterion,�
*Proceedings of The 14th International Conference on Production Research (ICPR'97)*, pp. 1036--1039, 1997. - T. Dohi, T. Aoki, N. Kaio and S. Osaki,�Nonparametric preventive maintenance policy under earning rate criterion,�
*Fault Detection, Supervision and Safety for Technical Processes 1997 (IFAC Symposium of SAFEPROCESS'97)*(R. J. Patton and J. Chen, eds.), pp. 1171--1176, Pergamon Press, Oxford, UK, 1998. - T. Dohi, M. Shigeta and S. Osaki,�A stock investment expert system based on a fuzzy neural network,�
*Proceedings of the 29th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 97)*, pp. 255-260, 1997. - T. Dohi, Y. Nishio and S. Osaki,�Determination of optimal burn-in schedule applying a neural network,�
*Proceedings of 14th International Conference on Computer-Aided Production Engineering (CAPE'98)*, pp. 167--172, 1998. - N. Kaio, T. Dohi and S. Osaki,�A note on determination of lead time in ordering policy,�
*Proceedings of the 4th China-Japan International Symposium on Industrial Management (ISIM'98)*(F. Yuncheng and H. Osaki, eds.), pp. 320--324, International Academic Publishers, Beijing, China, 1998. - T. Dohi, H. Nagai, N. Kaio and S. Osaki,�An improvement of the nonparametric repair-limit replacement method by a cubic spline approximation,�
*Proceedings of the 30th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 98)*, pp. 93--98, 1998. - T. Dohi, W. Y. Yun, N. Kaio and S. Osaki,�Optimal design of economic manufacturing process with machine failure rate depending on production speed,�
*Proceedings of the International Symposium on Manufacturing Strategy'98 (ISMS'98)*(H. Katayama, ed.), pp. 404--409, Operations & Production Management Laboratory, Waseda University, Tokyo, Japan, 1998. - T. Dohi, N. Kaio and S. Osaki,�Controlled buffer systems with different recovery functions and their comparison,�
*Proceedings of The 2nd International Symposium on Semi-Markov Models: Theory and Applications*, pp. 427--432, 1998. - T. Dohi, H. Okamura and S. Osaki,�Optimal control of preventive maintenance schedule and safety stocks in an unreliable manufacturing environment,�
*Proceedings of International Conference on Industrial Engineering and Production Management (IEPM'99)*, pp. 211--220, 1999. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki,�The optimal repair-time limit replacement policy with imperfect repair: Lorenz transform approach,�
*Proceedings of the 1st Western Pacific and 3rd Australia-Japan Workshop on Stochastic Models in Engineering, Technology and Management*(R. J. Wilson, S. Osaki and M. J. Faddy, eds.), pp. 91--100, Technology Management Centre, The University of Queensland, Brisbane, Australia, 1999. - T. Dohi, K. Yasui and S. Osaki,�Software reliability assessment models based on cumulative Bernoulli trial processes,�
*Proceedings of the 1st Western Pacific and 3rd Australia-Japan Workshop on Stochastic Models in Engineering, Technology and Management*(R. J. Wilson, S. Osaki and M. J. Faddy, eds.), pp. 101--110, Technology Management Centre, The University of Queensland, Brisbane, Australia, 1999. - H. Okamura, T. Dohi and S. Osaki,�The phase type approximation for the optimal auto-sleep scheduling,�
*Proceedings of the 1st Western Pacific and 3rd Australia-Japan Workshop on Stochastic Models in Engineering, Technology and Management*(R. J. Wilson, S. Osaki and M. J. Faddy, eds.), pp. 426--435, Technology Management Centre, The University of Queensland, Brisbane, Australia, 1999. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki,�A simulation study on the cost distribution under age replacement policy with discounting,�
*Proceedings of The 2nd Asia-Pacific Conference on Industrial Engineering and Management Systems*, pp. 137--140, 1999. - H. Okamura, K. Hamamoto, T. Dohi and S. Osaki,�The diffusion approximation method for the G/G/1 type of economic manufacturing quantity process with preventive maintenance,�
*Proceedings of The 2nd Asia-Pacific Conference on Industrial Engineering and Management Systems*, pp. 141--144, 1999. - T. Dohi, S. Nagai and S. Osaki,�A computation algorithm to generate the optimal block replacement schedule -- radial basis function neural network approach --,�
*Proceedings of the 31st ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 99)*, pp. 43--48, 1999. - H. Okamura, T. Dohi, N. Kaio and S. Osaki,�The optimal control-limit policies for buffer systems with different recovery functions,�
*Proceedings of the 31st ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 99)*, pp. 55--60, 1999. - T. Dohi, N. Kaio and S. Osaki,�Optimal checkpointing and rollback strategies with media failures: statistical estimation algorithms,�
*Proceedings of 1999 Pacific Rim International Symposium on Dependable Computing (PRDC 1999)*, pp. 161--168, IEEE Computer Society Press, Los Alamitos, USA, 1999. - T. Dohi, N. Kaio and S. Osaki,�A new graphical method to estimate the optimal repair-time limit with incomplete repair and discounting,�
*Proceedings of International Conference on Applied Stochastic System Modeling (ASSM'2000)*, pp. 22--30, Mathematical Systems Laboratory, Department of Industrial and Systems Engineering, Hiroshima University, Hiroshima, Japan, 2000. - H. Okamura, T. Dohi and S. Osaki,�A structural approximation method to generate the optimal auto-sleep schedule for a computer system,�
*Proceedings of International Conference on Applied Stochastic System Modeling (ASSM'2000)*, pp. 180--187, Mathematical Systems Laboratory, Department of Industrial and Systems Engineering, Hiroshima University, Hiroshima, Japan, 2000. - N. Wakana, T. Dohi, N. Kaio and S. Osaki,�On the first failure time of a two-unit paralell redundant system with deterioration on a lattice,�
*Abstract' Book of 2nd International Conference on Mathematical Methods in Reliability (MMR' 2000)*, vol. 2, pp. 1030--1033, 2000. - H. Okamura, T. Dohi and S. Osaki,�The optimal preventive maintenance schedule for an economic manufacturing quantity process: phase type approximation method,�
*Abstract' Book of 2nd International Conference on Mathematical Methods in Reliability (MMR' 2000)*, vol. 2, pp. 832--835, 2000. - H. Okamura, T. Dohi and S. Osaki,�The optimal preventive maintenance policies for an economic manufacturing quantity process in Markovian environment,�
*CR-Rom Proceedings of The International Conference on Production Research Special (ICPR-2000)*, ??? pages, 2000. - N. Wakana, T. Dohi and S. Osaki,�Bivariate cumulative Bernoulli trial process and its application to reliability assessment,�
*Proceedings of 6th ISSAT International Conference on Reliability and Quality in Design*, pp. 122--126, 2000. - H. Okamura, A. Fujimoto, T. Dohi, S. Osaki and K. S. Trivedi,�The optimal preventive maintenance policy for a software system with multi server station,�
*Proceedings of 6th ISSAT International Conference on Reliability and Quality in Design*, pp. 275--279, 2000. - T. Dohi, T. Danjou, N. Kaio and S. Osaki,�The statistical estimation for delivery schedule of spare units,�
*Proceedings of 6th ISSAT International Conference on Reliability and Quality in Design*, pp. 296--300, 2000. - T. Dohi, H. Okamura and S. Osaki,�The optimal design of delivery schedule in a continuous-time (r, Q) cyclic inventory system,�
*Proceedings of 2000 Pacific Conference on Manufacturing (PCM'2000)*, pp. 221--226, 2000. - H. Okamura, T. Dohi and S. Osaki,�Performance analysis of a transaction based software system with shutdown,�
*Proceedings of 2nd International Workshop on Software and Performance (WOSP'2000)*, pp. 168--179, ACM, New York, USA, 2000. - T. Dohi, S. Osaki and K. S. Trivedi,�Heuristic self-organization algorithms for software reliability assessment and their applications,�
*Proceedings of 11th International Symposium on Software Reliability Engineering (ISSRE'00)*, pp. 40--51, IEEE Computer Society Press, Los Alamitos, USA, 2000. - N. Kaio, T. Dohi and S. Osaki,�A note on planned maintenance policies with minimal repairs,�
*Proceedings of The 5th China-Japan International Symposium on Industrial Management (ISIM'2000)*(F. Yuncheng and H. Osaki, eds.), pp. 321--325, China Aviation Industry Press, Beijing, China, 2000. - H. Okamura, T. Dohi and S. Osaki,�Characterizing the idle-period distribution of a GI/G/1 queue with vacation,�
*Proceedings of 32nd ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS'32)*, pp. 177-182, 2000. - T. Dohi, K. Goseva-Popstojanova and K. S. Trivedi,�Analysis of software cost models with rejuvenation,�
*Proceedings of 5th IEEE International Symposium on High Assurance Systems Engineering (HASE 2000)*, pp. 25--34, IEEE Computer Society Press, Los Alamitos, USA, 2000. - T. Dohi, H. Okamura, N. Kaio and S. Osaki,�The age-dependent optimal warranty policy and its application to software maintenance contract,�
*PSAM5 -- Proceedings of 5th International Conference on Probabilistic Safety Assessment and Management*(S. Kondo and K. Furuta, eds.), vol. 4, pp. 2547--2552, University Academy Press Inc., Tokyo, Japan, 2000. - T. Dohi, K. Goseva-Popstojanova and K. S. Trivedi,�Statistical non-parametric algorithms to estimate the optimal software rejuvenation schedule,�
*Proceedings of 2000 Pacific Rim International Symposium on Dependable Computing (PRDC 2000)*, pp. 77--84, IEEE Computer Society Press, Los Alamitos, USA, 2000. - T. Dohi, N. Kaio and S. Osaki,�The cost-effective optimal order--replacement policies,�
*Proceedings of 10th International Symposium on Applied Stochastic Models and Data Analysis (ASMDA 2001)*, pp. 381--386, 2001. - H. Okamura, T. Dohi and S. Osaki,�Optimal shutdown schedule for a single-user operating system under a Markovian arrival circumstance,�
*Proceedings of 10th International Symposium on Applied Stochastic Models and Data Analysis (ASMDA 2001)*, pp. 801--806, 2001. - T. Dohi, N. Wakana, S. Osaki and K. S. Trivedi,�Analysis on the hypergeometric software reliability model,�
*Proceedings of 12nd International Symposium on Software Reliability Engineering (ISSRE'01)*, pp. 166--175, IEEE Computer Society Press, Los Alamitos, USA, 2001. - T. Dohi, T. Danjou and H. Okamura,�Optimal software rejuvenation policy with discounting,�
*Proceedings of 2001 Pacific Rim International Symposium on Dependable Computing (PRDC 2001)*, pp. 87--94, IEEE Computer Society Press, Los Alamitos, USA, 2001. - H. Okamura and T. Dohi,�A sequential estimation algorithm for the optimal shutdown policy in a queueing system,�
*Proceedings of 2002 Japan-USA Symposium on Flexible Automation*, pp. 1099--1106, 2002. - T. Dohi, A. Ashioka, N. Kaio and S. Osaki,�Statistical estimation algorithms for some repair--replacement scheduling problems under earning rate criteria,�
*Proceedings of Second Euro-Japanese Workshop on Stochastic Risk Modelling for Fianance, Insurance, Production and Reliability*, pp. 71--80, Systems Reliability Laboratory, Department of Information Engineering, Hiroshima University, Japan, 2002. - H. Fujio, H. Okamura and T. Dohi,�Fine-grained shock models to rejuvenate a software system,�
*Proceedings of Second Euro-Japanese Workshop on Stochastic Risk Modelling for Fianance, Insurance, Production and Reliability*, pp. 111--120, Systems Reliability Laboratory, Department of Information Engineering, Hiroshima University, Japan, 2002. - T. Dohi, K. Iwamoto H. Okamura and N. Kaio,�Discrete-time cost analysis for a telecommunication billing application with rejuvenation,�
*Proceedings of Second Euro-Japanese Workshop on Stochastic Risk Modelling for Fianance, Insurance, Production and Reliability*, pp. 181--190, Systems Reliability Laboratory, Department of Information Engineering, Hiroshima University, Japan, 2002. - H. Okamura, T. Dohi and S. Osaki,�A unified approximation of the optimal shutdown schedule based on the regulated Brownian motion process,�
- H. Okamura, Y. Watanabe and T. Dohi,�Estimating mixed software reliability models based on the EM algorithms,�
*Proceedings of 2002 International Symposium on Empirical Software Engineering (ISESE 2002)*, pp. 69--78, IEEE Computer Society Press, Los Alamitos, USA, 2002. - T. Dohi, N. Kaio and K. S. Trivedi,�Availability models with age dependent-checkpointing,�
*Proceedings of 21st Symposium on Reliable Distributed Systems (SRDS 02)*, pp. 130-139, IEEE Computer Society Press, Los Alamitos, USA, 2002. - T. Dohi, K. Iwamoto, H. Okamura and N. Kaio,�Discrete availability models to rejuvenate a telecommunication billing application,�
*Proceedings of 7th IEEE International Symposium on High Assurance Systems Engineering (HASE 2002)*, pp. 159-166, IEEE Computer Society Press, Los Alamitos, USA, 2002. - H. Okamura, K. Kumada and T. Dohi,�Diffusion approximation for incomplete convolutions arising in multi-stage production/inventory systems,�
*CD-ROM Proceedings of the 7th Annual International Conference on Industrial Engineering*, pp. 346--349, 2002. - T. Dohi, H. Okamura and N. Kaio,�Optimal age-dependent checkpoint strategy with retry of rollback recovery,�
*Proceedings of the 2nd IEEE Computer Society International Workshop on Autonomous Decentralized Systems (IWADS2002)*, pp. 113-118, IEEE Computer Society Press, Los Alamitos, USA, 2002. - H. Okamura, S. Miyahara and T. Dohi,�Dependability analysis of a client/server software systems with rejuvenation,�
*Proceedings of 13th International Symposium on Software Reliability Engineering (ISSRE'02)*, pp. 171-180, IEEE Computer Society Press, Los Alamitos, USA, 2002. - H. Suzuki, T. Dohi, K. Goseva-Popstojanova and K. S. Trivedi,�Analysis of multstep failure models with periodic software rejuvenation,�
*Proceedings of International Conference on Stochastic Modelling and the IV International Workshop on Retrial Queues*, pp. 85--108, 2002. - B. C. Giri and T. Dohi,�Discrete-time stochastic EMQ models with machine breakdown and repair,�
*Proceedings of 9th International Conference on Reliability and Quality in Design (ISSAT 2004)*, pp. 310--314, 2003. - K. Iwamoto, T. Dohi and N. Kaio,�Estimating discrete-time periodic software rejuvenation schedules under cost effectiveness criterion,�
*Proceedings of 9th International Conference on Reliability and Quality in Design (ISSAT 2004)*, pp. 300--304, 2003. - B. C. Giri and T. Dohi,�Optimal design of production rate in a stochastic manufacturing system with a failure-prone machine,�
*Proceedings of the 35th ISCIE International Symposium on Stochastic Systems Theory and Its Applications (SSS' 03)*, pp. 279--284, 2003. - B. C. Giri and T. Dohi,�Optimal lot sizing for an unreliable production system in discrete time setting,�
*CD-ROM Proceedings of The 8th Annual International Conference on Industrial Engineering: Theory, Applications and Practice*, pp. 968--973, 2003. - H. Suzuki, T. Dohi, N. Kaio and K. S. Trivedi,�Maximizing interval reliability in operational software system with rejuvenation,�
*Proceedings of 14th International Symposium on Software Reliability Engineering (ISSRE'03)*, pp. 246--256, IEEE Computer Society Press, Los Alamitos, USA, 2003. - H. Okamura, T. Watanabe and T. Dohi,�An iterative scheme for maximum likelihood estimation in software reliability modeling,�
*Proceedings of 14th International Symposium on Software Reliability Engineering (ISSRE'03)*, pp. 479--490, IEEE Computer Society Press, Los Alamitos, USA, 2003. - B. C. Giri and T. Dohi,�Optimal lot sizing for an unreliable manufacturing system under cost-effectiveness criterion,�
*Proceedings of the 9th Asia Pacific Management Conference -- Managing in the E-Era - (APMC)*, vol. 2, pp. 667--678, 2003. - H. Okamura, T. Dohi and S. Osaki,�EM algorithms for logistic software reliability models,�
*Proceedings of 22nd IASTED International Conference on Software Engineering*, pp. 263--268, ACTA Press, Calgary, Cadada, 2004. - H. Okamura, Y. Nishimura and T. Dohi,�A dynamic checkpointing scheme based on reinforcement learning,�
*Proceedings of The 10th International Symposium on Pacific Rim Dependable Computing (PRDC 2004)*, pp. 151--158, IEEE Computer Society Press, Los Alamitos, 2004. - H. Okamura, A. Murayama and T. Dohi,�EM algorithm for discrete software reliability models: a unified parameter estimation method,�
*Proceedings of 8th IEEE International Symposium on High Assurance Systems Engineering (HASE )*, pp. 219--228, IEEE Computer Society Press, Los Alamitos, 2004. - B. C. Giri and T. Dohi,�Cost-effective production policy for a stochastic unreliable manufacturing system,�
*Proceedings of Fifth IMA International Conference on Modelling in Industrial Maintenance and Reliability -- Impacting on Practice -- (MIMAR 2004)*, pp. 97--102, IMA, Manchester, UK, 2004. - T. Dohi, N. Kaio and S. Osaki,�Estimating the cost-effective checking request policies,�
*CD-ROM Abstract Book of Fourth International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2003)*, 4 pages, 2004. - K. Rinsaka and T. Dohi,�Optimal testing/maintenance design in a software development project,�
*CD-ROM Abstract Book of Fourth International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2003)*, 4 pages, 2004. - H. Okamura and T. Dohi,�EM algorithms for extreme-value software reliability models,�
*CD-ROM Abstract Book of Fourth International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2003)*, 4 pages, 2004. - T. Ozaki, T. Dohi, H. Okamura and N. Kaio,�Min-max checkpoint placement under incomplete information,�
*Proceedings of The International Conference on Dependable Systems and Networks (DSN-2004)*, pp. 721--730, IEEE Computer Society Press, Los Alamitos, 2004. - H. Okamura, T. Sugihara and T. Dohi,�A dynamic power management model based on a semi-Markov decision process,�
*Proceedings of 47th IEEE International Midwest Symposium on Circuit and Systems (MWSCAS 2004)*, pp. II-309--II-312, IEEE Circuits and Systems Society Society, 2004. - K. Rinsaka and T. Dohi,�Who solved the optimal software release problem based on Markovian software reliability model?,�
*Proceedings of 47th IEEE International Midwest Symposium on Circuit and Systems (MWSCAS 2004)*, pp. III-475--III-478, IEEE Circuits and Systems Society Society, 2004. - T. Ando and T. Dohi,�How can we estimate software reliability with a continuous-state software reliability model?,�
*Advanced Reliability Modeling -- Proceedings of 2004 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2004)*, pp. 17--24, World Scientific, Singapore, 2004. - B. C. Giri, T. Dohi and N. Kaio,�Discrete-time spare ordering policy with lead time and discounting,�
*Advanced Reliability Modeling -- Proceedings of 2004 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2004)*, pp. 133--140, World Scientific, Singapore, 2004. - K. Iwamoto, T. Dohi and N. Kaio,�Analysis of discrete-time software cost model based on NPV approach,�
*Advanced Reliability Modeling -- Proceedings of 2004 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2004)*, pp. 197--204, World Scientific, Singapore, 2004. - H. Okamura, T. Fukuda and T. Dohi,�An improved instrusion-detection model by profiling correlated access data,�
- H. Okamura, N. Kobayashi and T. Dohi,�Dependence of computer virus prevalence on network structure--stochastic modeling approach--,�
- T. Ozaki, T. Dohi and N. Kaio,�Optimal inspection policies with an euality constraint based on the variational calculus approach,�
- K. Rinsaka and T. Dohi,�Determination of optimal warranty period in a software development project,�
- T. Dohi and N. Kaio,�Discrete repair-time limit replacement program,�
*Proceedings of 5th International Conference on Operations and Quantitative Management (ICOQM-V)*, vol. 2, pp. 176--184, 2004. - K. Rinsaka and T. Dohi,�Determining the discrete warranty period in a software development project,�
*Proceedings of The 10the Asia Pacific Management Conference (APMC 2004)*, pp. 1253--1268, 2004. - T. Dohi, T. Danjou and N. Kaio,�Determining the optimal delivery schedule of spare units via NPV approach,�
*Proceedings of The 10the Asia Pacific Management Conference (APMC 2004)*, pp. 775--788, 2004. - B. C. Giri and T. Dohi,�Inspection scheduling for imperfect production processes,�
*The 36th ISCIE International Symposium on Stochastic Systems Theory and Its Applications*, pp. 246--251, 2004. - K. Iwamoto, T. Dohi and N. Kaio,�A discrete software cost model with periodic rejuvenation for a telecommunication billing application,�
*Proceedings of The 8th IASTED International Conference on Software Engineering and Applications*, pp. 282--287, ACTA Press, Calgary, Cadada, 2004. - T. Dohi, S. Osaki and K. S. Trivedi,�An infinite server queueing approach for describing software reliability growth -- unified modeling and estimation framework --,�
*Asia-Pacific Software Engineering Conference (APSEC 2004)*, pp. 110--119, IEEE Computer Society Press, Los Alamitos, 2004. - H. Okamura, K. Tsuruta and T. Dohi,�An architecture-based software reliability model with finite number of faults,�
*Proceedings of 9th IASTED International Conference on Software Engineering*, pp, 20--25, ACTA Press, Calgary, Cadada, 2005. - H. Okamura, S. Miyahara and T. Dohi,�Effect of preventive rejuvenation in communication network system with burst arrival,�
*Proceedings of The 7th International Symposium on Autonomous Decentralized Systems (ISADS 2005)*, pp. 151--158, IEEE Computer Society Press, Los Alamitos, 2005. - K. Rinsaka and T. Dohi,�Behavioral analysis of a fault-torellant software system with rejuvenation,�
*Proceedings of The 7th International Symposium on Autonomous Decentralized Systems (ISADS 2005)*, pp. 159--166, IEEE Computer Society Press, Los Alamitos, 2005. - H. Eto and T. Dohi,�Optimality of control-limit type of software rejuvenation policy,�
*Proceedings of IEEE 11th International Conference on Parallel and Distributed Systems (ICPDS-2005)*, vol. II, pp. 483--487, IEEE Computer Society Press, Los Alamitos, 2005. - H. Okamura, K. Iwamoto and T. Dohi,�A dynamic programming algorithm for software rejuvenation scheduling under distributed computation circumstance,�
*Proceedings of IEEE 11th International Conference on Parallel and Distributed Systems (ICPDS-2005)*, vol. II, pp. 493--497, IEEE Computer Society Press, Los Alamitos, 2005. - K. Ohishi, H. Okamura and T. Dohi,�Gompertz software reliability model and its application,�
*Proceedings of 29th Annual International Computer Software and Application Conference (COMPSAC 2005)*, pp. 405--410, IEEE Computer Society Press, Los Alamitos, 2005. - H. Okamura, K. Iwamoto and T. Dohi,�A DP-based optimal checkpointing algorithm for a real time system,�
*Proceedings of 11th International Conference on Reliability and Quality in Design (ISSAT 2005)*, pp. 22--26, 2005. - T. Dohi, N. Kaio and S. Osaki,�Discrete-time opportunistic replacement policies and their application,�
*Proceedings of International Workshop on Recent Advances in Stochastic Operations Research (RASOR 2005)*, pp. 18--25, 2005. - H. Okamura, Hiroki Goto and T. Dohi,�EM algorithms for fitting Markovian arrival processes to time-interval sampling data,�
*Proceedings of International Workshop on Recent Advances in Stochastic Operations Research (RASOR 2005)*, pp. 203--210, 2005. - K. Rinsaka and T. Dohi,�Estimating age replacement policies with a small sample data,�
*Proceedings of International Workshop on Recent Advances in Stochastic Operations Research (RASOR 2005)*, pp. 219--226, 2005. - N. Kobayashi and T. Dohi,�Bayesian perspective of optimal checkpoint placement,�
*Proceedings of 9th IEEE International Symposium on High Assurance Systems Engineering (HASE 2005)*, pp. 143--159, IEEE Computer Society Press, Los Alamitos, 2005. - H. Okamura, N. Kobayashi and T. Dohi,�Markovian modeling and analysis of Internet worm propagation,�
*Proceedings of 16th International Symposium on Software Reliability Engineering (ISSRE'05)*, pp. 149--158, IEEE Computer Society Press, Los Alamitos, 2005. - K. Iwamoto, T. Dohi and N. Kaio,�Monitoring the health condition of ubiquitous systems: rejuvenation v.s. recovery,�
*Embedded and Ubiquitous Computing: International Conference EUC 2005 Workshops: UISW, NCUS, SecUbiq, USN, and TAUES*(T. Enokido, L. Yan, B. Xiao, D. Kim, Y. Dai and L. T. Yang, eds.), Lecture Notes in Computer Science, vol. 3823, pp. 1283--1292, Springer-Verlag, 2005. - H. Okamura and T. Dohi,�Performance evaluation of power-aware communication network devices,�
*Embedded and Ubiquitous Computing: International Conference EUC 2005*(L. T. Yang, M. Amamiya, Z. Liu, M. Guo and F. J. Rammig, eds.), Lecture Notes in Computer Science, vol. 3824, pp. 245--254, Springer-Verlag, 2005. - T. Dohi, H. Suzuki and S. Osaki,�Transient cost analysis of non-Markovian software systems with rejuvenation,�
*Proceedings of International Conference on Reliability and Safety Engineering (ICNCRESE 2005)*, pp. 351--362, 2005. - H. Okamura, M. Ito and T. Dohi,�A subordinated Markov chain model for assessing software safety,�
*Proceedings of International Conference on Reliability and Safety Engineering (ICNCRESE 2005)*, pp. 363--373, 2005. - H. Eto and T. Dohi,�Analysis of a service degradation model with preventive rejuvenation,�
*Service Availability: 3rd International Service Availability Symposium (ISAS 2006)*, Lecture Notes in Computer Science (in press). - T. Dohi, N. Kaio and S. Osaki,�Optimal (T, S)-policies in a discrete-time opportunity-based age replacement: an empirical study,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 219--226, World Scientific, Singapore, 2006. - K. Iwamoto, T. Dohi and N. Kaio,�Discrete repair-cost limit replacement policies,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 243--250, World Scientific, Singapore, 2006. - K. Iwamoto, T. Maruo, H. Okamura and T. Dohi,�Aperiodic optimal checkpoint sequence under steady-state system availability criterion,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 251--258, World Scientific, Singapore, 2006. - T. Ishii, T. Fujiwara and T. Dohi,�Bivariate extension of software reliability modeling with number of test cases,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 395--402, World Scientific, Singapore, 2006. - H. Okamura and T. Dohi,�Software reliability modeling based on mixed Poisson distributions,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 427--434, World Scientific, Singapore, 2006. - K. Rinsaka and T. Dohi,�Estimating the optimal software rejuvenation schedule with small sample data,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 443--450, World Scientific, Singapore, 2006. - K. Shibata, K. Rinsaka and T. Dohi,�Incorporating dynamic software metrics data in software reliability assessment,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 451--458, World Scientific, Singapore, 2006. - H. Goto, H. Okamura and T. Dohi,�A note on parameter estimation for phase-type distribution in canonical form,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 577--584, World Scientific, Singapore, 2006. - K. Tateishi, H. Okamura and T. Dohi,�Transient analysis of Internet-worm propagation based on simple birth-and-death processes,�
*Proceedings of 2006 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2006)*, pp. 676--683, World Scientific, Singapore, 2006. - K. Rinsaka, K. Shibata and T. Dohi,�Proportional intensity-based software reliability modeling with time-dependent metrics,�
*Proceedings of The 30th Annual International Computer Software and Applications Conference (COMPSAC 2006)*, pp. 405--410, IEEE Computer Society Press, Los Alamitos, 2006. - T. Dohi, T. Ozaki and N. Kaio,�Optimal sequential checkpoint placement with equality constraints,�
*Proceedings of The 2nd IEEE International Symposium on Dependable Autonomic and Secure Computing (DASC' 06)*, pp. 77--84, IEEE Computer Society Press, Los Alamitos, 2006. - T. Ando, H. Okamura and T. Dohi,�Estimating Markov modulated software reliability models via EM algorithm,�
*Proceedings of The 2nd IEEE International Symposium on Dependable Autonomic and Secure Computing (DASC' 06)*, pp. 111--118, IEEE Computer Society Press, Los Alamitos, 2006. - K. Shibata, K. Rinsaka and T. Dohi,�Metrics-based software reliability models using non-homogeneous Poisson processes,�
*Proceedings of The 17th International Symposium on Software Reliability Engineering (ISSRE'06)*, pp. 52--61, IEEE Computer Society Press, Los Alamitos, 2006. - H. Okamura, H. Furumura and T. Dohi,�On the effect of fault removal in software testing --- Bayesian reliability estimation approach ---,�
*Proceedings of The 17th International Symposium on Software Reliability Engineering (ISSRE'06)*, pp. 247--255, IEEE Computer Society Press, Los Alamitos, 2006. - H. Okamura and T. Dohi,�Building phase-type software reliability models,�
*Proceedings of The 17th International Symposium on Software Reliability Engineering (ISSRE'06)*, pp. 289--298, IEEE Computer Society Press, Los Alamitos, 2006. - H. Okamura, T. Sakoh and T. Dohi,�Variational Bayesian approach for exponential software reliability model,�
*Proceedings of 10th IASTED International Conference on Software Engineering and Applications*, pp. 82--87, ACTA Press, Calgary, Cadada, 2006. - H. Ishii and T. Dohi,�Two-dimensional software reliability modeling,�
*Proceedings of 12th Pacific Rim International Symposium on Dependable Computing (PRDC'06)*, pp. 3--10, IEEE Computer Society Press, Los Alamitos, 2006. - T. Dohi, N. Kaio and S. Osaki,�Stochastic profit models under repair-limit replacement program,�
*Proceedings of 2007 International Workshop on Recent Advances in Stochastic Operations Research (RASOR'07)*, pp. 27--34, 2007. - H. Okamura, T. Sakoh and T. Dohi,�A note on Markov chain Monte Carlo for software reliability models with group data,�
*Proceedings of 2007 International Workshop on Recent Advances in Stochastic Operations Research (RASOR'07)*, pp. 221--228, 2007. - K. Rinsaka and T. Dohi,�Effective algorithms for the optimal software rejuvenation schedule under censoring,�
*Proceedings of 2007 International Workshop on Recent Advances in Stochastic Operations Research (RASOR'07)*, pp. 243--250, 2007. - K. Rinsaka and T. Dohi,�A faster estimation algorithm for periodic preventive rejuvenation schedule maximizing system availability,�
*Service Availability: 4th International Service Availability Symposium (ISAS 2007)*(M. Malek, M. Reitenspiess and A. van Moorsel, eds.), Lecture Notes in Computer Science, vol. 4526, pp. 94--104, Springer-Verlag, 2007. - H. Okamura, M. Grottke, T. Dohi and K. S. Trivedi,�Variational Bayesian approach for interval estimation of NHPP-based software reliability models,�
*Proceedings of 2007 International Conference on Dependable Systems and Networks (DSN-2007)*, pp. 698--707, IEEE Computer Society Press, Los Alamitos, (in press). - N. Shibata, K. Iwamoto, T. Dohi and N. Kaio,�Estimating discrete-time stochastic profit models with preventive/corrective maintenance,�
*CD-ROM Proceedings of 5th International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2007)*, 11 pages, 2007. - H. Okamura and T. Dohi,�Confidence intervals of software release time based on Bayesian estimation,�
*CD-ROM Proceedings of 5th International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2007)*, 9 pages, 2007. - K. Rinsaka, K. Shibata and T. Dohi,�Empirical stopping rule for testing a software - theory and application -,�
*CD-ROM Proceedings of 5th International Conference on Mathematical Methods in Reliability -- Methodology and Practice -- (MMR 2007)*, 8 pages, 2007. - L. Zhang, H. Okamura and T. Dohi,�Performance evaluation for automatic protection switching in CDMA-TDD wireless communication system,�
*Human-Computer Interaction: 12th International Conference on Human-Computer Interaction (HCI'07) Part IV*(J. A. Jacko, ed.), Lecture Notes in Computer Science, vol. 4553, pp. 1200--1209, Springer-Verlag, 2007. - T. Ishii, T. Dohi and H. Okamura,�Bivariate software fault-detection models,�
*Proceedings of 31st Annual International Computer Software and Applications Conference (COMPSAC 2007)*, pp. 535--538, IEEE Computer Society Press, Los Alamitos, 2007. - H. Okamura, Y. Kamahara and T. Dohi,�Estimating Markov-modulated compound Poisson process,�
*Proceedings of 2nd International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS 2007)*, pp. ?--?, ACM Press, 2007. - K. Rinsaka and T. Dohi,�Non-parametric predictive inference of preventive rejuvenation schedule in operational software systems,�
*Proceedings of The 18th International Symposium on Software Reliability Engineering (ISSRE'07)*, pp. 247--256, IEEE Computer Society Press, Los Alamitos, 2007. - H. Okamura, K. Tateishi and T. Dohi,�Statistical inference of computer virus propagation using non-homogeneous Poisson processes,�
*Proceedings of The 18th International Symposium on Software Reliability Engineering (ISSRE'07)*, pp. 149--158, IEEE Computer Society Press, Los Alamitos, 2007. - K. Shibata, K. Rinsaka, T. Dohi and H. Okamura, �Quantifying software maintainability based on a fault-detection/correction model,�
*Proceedings of 13th Pacific Rim International Symposium on Dependable Computing (PRDC'07)*, pp. 35--42, IEEE Computer Society Press, Los Alamitos, 2007. - K. Shibata, K. Rinsaka and T. Dohi,�PISRAT: Proportional intensity-based software reliability assessment tool,�
*Proceedings of 13th Pacific Rim International Symposium on Dependable Computing (PRDC'07)*, pp. 43--52, IEEE Computer Society Press, Los Alamitos, 2007. - T. Uemura and T. Dohi,�Quantitative evaluation of intrusion tolerant systems subject to DoS attacks via semi-Markov cost models,�
*Emerging Directions in Embedded and Ubiquitous Computing: International Conference EUC 2007 Workshops*(M. K. Denko, C.-S. Shih, K.-C. Li, S.-L. Tsao, Q.-A. Zeng, S.-H. Park, Y.-B. Ko, S.-H. Hung and J.-H. Park, eds.), Lecture Notes in Computer Science, vol. 4809, pp. 31--42, Springer-Verlag, 2007. - T. Uemura and T. Dohi,�Optimizing security measures in an intrusion tolerant database system,�
*Service Availability: 5th International Service Availability Symposium (ISAS 2008)*(T. Nanya, F. Maruyama, A. Pataricza and M. Malek, eds.), Lecture Notes in Computer Science, vol. 5017, pp. 26--42, Springer-Verlag, 2008. - H. Okamura and T. Dohi,�Analysis of a software system with rejuvenation, restoration and checkpointing,�
*Service Availability: 5th International Service Availability Symposium (ISAS 2008)*(T. Nanya, F. Maruyama, A. Pataricza and M. Malek, eds.), Lecture Notes in Computer Science, vol. 5017, pp. 110--128, Springer-Verlag, 2008. - H. Eto, T. Dohi and J. Ma,�Simulation-based optimization approach for software cost model with rejuvenation,�
*The 5th International Conference on Autonomic and Trusted Computing (ATC 2008)*(C. Rong, M. G. Jaatun, F. E. Sandnes, L. T. Yang and J. Ma, eds.), Lecture Notes in Computer Science, vol. 5060, pp. 206--218, Springer-Verlag, 2008. - Y. Sakai, K. Rinsaka and T. Dohi,�Latent class analysis model for cyber-attack detection,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 79--86, McGraw-Hill, Taiwan, 2008. - T. Dohi, N. Shibata and N. Kaio, �Estimating an economic testing policy in discrete-time burn-in circumstance,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 273--280, McGraw-Hill, Taiwan, 2008. - H. Okamura and T. Dohi,�A repair-limit replacement policy with retry,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 289--296, McGraw-Hill, Taiwan, 2008. - T. Dohi and S. Osaki, �Estimating renewal functions: a neural network-based approach,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 414--421, McGraw-Hill, Taiwan, 2008. - L. Z. Jin and T. Dohi, �How good is gamma process modeling for software reliability assessment,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 567--574, McGraw-Hill, Taiwan, 2008. - K. Rinsaka and T. Dohi,�Adaptive software rejuvenation schedule based on non-parametric predictive inference: an expected cost model,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 591--598, McGraw-Hill, Taiwan, 2008. - Y. Yamaguchi, H. Okamura and T. Dohi,�Estimating a mixture of Erlang distributions based on variational Bayes,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 619--626, McGraw-Hill, Taiwan, 2008. - T. Uemura, T. Dohi and N. Kaio, �Availability modeling of an intrusion tolerant system with preventive maintenance,�
*Proceedings of 2008 Asian International Workshop on Advanced Reliability Modeling (AIWARM 2008)*, pp. 655--662, McGraw-Hill, Taiwan, 2008. - H. Okamura and T. Dohi,�Availability optimization in operational software system with aperiodic time-based rejuvenation scheme,�
*Proceedings of 19th International Symposium on Software Reliability Engineering Workshop (WoSAR'08)*, 6 pages, IEEE CPS, 2008. - K. Rinsaka and T. Dohi,�Non-parametric predictive inference of adaptive software rejuvenation schedule,�
*>Proceedings of 19th International Symposium on Software Reliability Engineering Workshop (WoSAR'08)*, 6 pages, IEEE CPS, 2008. - T. Ishii and T. Dohi, �A new paradigm for software reliability modeling -- from NHPP to NHGP -- ,�
*Proceedings of 14th Pacific Rim International Symposium on Dependable Computing (PRDC'08)*, pp. 224--231, IEEE CPS, 2008. - H. Okamura and T. Dohi,�Hyper-Erlang software reliability model,�
*Proceedings of 14th Pacific Rim International Symposium on Dependable Computing (PRDC'08)*, pp. 232--239, IEEE CPS, 2008. - T. Uemura and T. Dohi,�A security match management model,�
*Proceedings of The IASTED International Conference on Software Engineering*, pp. 114--119, ACTA Press, 2009. - X. Xiao and T. Dohi,�On equilibrium distribution properties in software reliability modeling,�
*Proceedings of 4th International Conference on Availability, Reliability and Security (ARES 2009)*, pp. 158--165, IEEE CPS, 2009. - R. Fujimoto, H. Okamura and T. Dohi,�Security evaluation of an intrusion tolerant system with MRSPNs,�
*Proceedings of 4th International Conference on Availability, Reliability and Security (ARES 2009)*, pp. 427--432, IEEE CPS, 2009. - T. Fujii and T. Dohi,�Statistical failure analysis of a web server system,�
*Proceedings of 4th International Conference on Availability, Reliability and Security (ARES 2009)*, pp. 554--559, IEEE CPS, 2009. - L.-Z. Jin and Tadashi Dohi,�Non-homogeneous inverse Gaussian software reliability models,�
*Proceedings of 7th International Conference on Quality Software (QSIC 2009)*, pp. 444--451, IEEE CPS, 2009. - H. Okamura and T. Dohi,�Faster maximum likelihood estimation algorithms for Markovian arrival processes�
*Proceedings of 6th International Conference on Quantitative Evaluation of Systems (QEST 2009)*, pp. 73--82, IEEE CPS, 2009. - H. Okamura, M. Tokuzane and T. Dohi,�Optimal security patch release timing under non-homogeneous vulnerability-discovery processes,�
*Proceedings of 20th International Symposium on Software Reliability Engineering (ISSRE'09)*, pp. 120--128, IEEE CPS, 2009. - X. Xiao and T. Dohi,�Wavelet-based approach for estimating software reliability,�
*Proceedings of 20th International Symposium on Software Reliability Engineering (ISSRE'09)*, pp. 11--20, IEEE CPS, 2009. - T. Uemura, T. Dohi and N. Kaio,�Availability analysis of a scalable intrusion tolerant architecture with two detection modes,�
*Cloud Computing (CloudCom 2009)*(M. G. Jaatun, G. Zhao and C. Rong, eds.), Lecture Notes in Computer Science, vol. 5931, pp. 178--189, Springer-Verlag, 2009. - H. Okamura and T. Dohi,�A Bayesian inference tool for NHPP-based software reliability assessment,�
*Future Generation Information Technology 2009 (FGIT 2009)*(Y.-H. Lee, T.-H. Kim, W.-C. Fang and D. Slezak, eds.), Lecture Notes in Computer Science, vol. 5899, pp. 226--237, Springer-Verlag, 2009. - H. Okamura and T. Dohi,�An EM algorithm for record value statistics models in software reliability estimation,�
*Advances in Software Engineering & Its Applications (ASEA 2009)*(D. Slezak, T.-H. Kim, A. Kiumi, T. Jiang, J. Verner ans S. Abrahao, eds.), Communications in Computer and Information Science, vol. 59, pp. 288--295, Springer-Verlag, 2009. - X. Xiao and T. Dohi,�An experimental evaluation of error rate in a web server system,�
*Advances in Software Engineering & Its Applications (ASEA 2009)*(D. Slezak, T.-H. Kim, A. Kiumi, T. Jiang, J. Verner ans S. Abrahao, eds.), Communications in Computer and Information Science, vol. 59, pp. 272--279, Springer-Verlag, 2009. - S. Mizoguchi and T. Dohi,�A refined non-parametric algorithm for sequential software reliability estimation,�
*Advances in Software Engineering & Its Applications (ASEA 2009)*(D. Slezak, T.-H. Kim, A. Kiumi, T. Jiang, J. Verner ans S. Abrahao, eds.), Communications in Computer and Information Science, vol. 59, pp. 330--337, Springer-Verlag, 2009. - T. Uemura, T. Dohi and N. Kaio,�Availability analysis of an IMS-based VoIP network system,�
*Computational Science and Its Applications Part IV (ICCSA 2010)*(D. Taniar, O. Gervasi, B. Murgante, E. Pardede and B. O. Apduhan, eds.), Lecture Notes in Computer Science, vol. 6019, pp. 441--456, Springer-Verlag, 2010. - B. Zhou, H. Okamura and T. Dohi,�Markov chain Monte Carlo random testing,�
*Advanced Computer Science and Information Technology (AST/UCMA/ISA/ACN 2010)*(T. H. Kim and H. Adeli, eds.), Lecture Notes in Computer Science, vol. 6059, pp. 447--456, Springer-Verlag, 2010. - S. Hiroyama, T. Dohi and H. Okamura,�Comparison of aperiodic checkpoint placement algorithms,�
*Advanced Computer Science and Information (AST 2010)*(G. S. Tomar, R.-S. Chang, O. Gervasi, T. H. Kim and S. K. Bandyopadhyay, eds.), Communications in Computer and Information Science, vol. 74, pp. 145--156, Springer-Verlag, 2010. - H. Okamura, T. Dohi and K. S. Trivedi,�On-line adaptive algorithms in autonomic restart control,�
*The 7th International Conference on Autonomic and Trusted Computing (ATC 2010)*(B. Xie, J. Branke, S. M. Sadjadi, D. Zhang and X. Zhou, eds.), Lecture Notes in Computer Science, vol. 6407, pp. 32--46, Springer-Verlag, 2010. - T. Dohi and T. Uemura,�Towards autonomic mode control of a scalable intrusion tolerant architecture,�
*The 7th International Conference on Autonomic and Trusted Computing (ATC 2010)*(B. Xie, J. Branke, S. M. Sadjadi, D. Zhang and X. Zhou, eds.), Lecture Notes in Computer Science, vol. 6407, pp. 283--297, Springer-Verlag, 2010. - H. Okamura, H. Kishitani and T. Dohi,�Application of deterministic annealing EM algorithm to Markovian arrival parameter estimation,�
*Proceedings of 2010 Symposia and Workshop on Ubiquitous, Autonomic and Trusted Computing (The 2nd International Symposium on Multidisciplinary Emerging Networks & Systems (MENS-2010))*, pp. 352--357, IEEE CPS, 2010. - K. Hari and T. Dohi,�Sensitivity analysis of random port hopping,�
*Proceedings of 2010 Symposia and Workshop on Ubiquitous, Autonomic and Trusted Computing (The 2nd International Symposium on Multidisciplinary Emerging Networks & Systems (MENS-2010))*, pp. 316--321, IEEE CPS, 2010. - H. Okamura and T. Dohi,�Performance-aware software rejuvenation strategies in a queueing system,�
*Proceedings of IEEE 2nd International Workshop on Software Aging and Rejuvenation (WoSAR-2010)*, 6 pages, IEEE CPS, 2010. - H. Okamura, Y. Etani and T. Dohi,�A multi-factor software reliability moel based on logistic regression,�
*Proceedings of 21st IEEE International Symposium on Software Reliability Engineering (ISSRE-2010)*, pp. 31--40, IEEE CPS, 2010. - S. Inoue, K. Kurokawa, Y. Kakuda and T. Dohi,�A method to prolong the lifetime of sensor netwworks by adding new sensor nodes to energy-consumed areas,�
*Proceedings of the 2nd International Symposium on Aware Computing (ISAC-2010)*, pp. 332--337, IEEE CPS, 2010. - T. Dohi, N. Kaio and S. Osaki,�A stochastic profit model under repair-limit replacement program with imperfect repair,�
*Proceedings of 4th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2010)*, pp. 153--160, McGraw-Hill, Taiwan, 2010. - T. Ishii, T. Dohi and H. Okamura,�Applying least equares estimation to software reliability prediction,�
*Proceedings of 4th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2010)*, pp. 241--248, McGraw-Hill, Taiwan, 2010. - T. Dohi, H. Okamura and K. S. Trivedi,�Comparing software cost rate models with rejuvenation,�
*Proceedings of 4th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2010)*, pp. 161--168, McGraw-Hill, Taiwan, 2010. - T. Dohi, H. Okamura and S. Osaki,�Transient analysis of software availability models with rejuvenation,�
- H. Okamura, T. Dohi and K. S. Trivedi,�An improvement of EM algorithm for PH distyributions with group data,�
- H. Okamura, T. Dohi and S. Osaki,�A dynamic programming approach for sequential preventive maintenance policies,�
- K. Yamana, H. Okamura and T. Dohi,�A note on quasi-Monte Carlo simulation for non-homogeneous Markov chains,�
- T. Fujii, T. Dohi, H. Okamura and T. Fujiwara,�A software accerelated life testing model,�
*Proceedings of 16th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2010)*, pp. 85--92, IEEE CPS, 2010. - H. Okamura and T. Dohi,�Estimating computer virus propagation based on Markovian arrival processes,�
*Proceedings of 16th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2010)*, pp. 199--206, IEEE CPS, 2010. - A. Izumi, T. Dohi and N. Kaio,�Deadlock detection scheduling for distributed processes in the presence of system failures,�
*Proceedings of 16th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2010)*, pp. 133--140, IEEE CPS, 2010. - T. Fujii, T. Dohi and T. Fujiwara, �Towards quantitative software reliability assessment in incremental development processes,�
*Proceedings of 33rd International Conference on Software Engineering (ICSE-2011)*, pp. 41--50, ACM, 2011. - L. Z. Jin, T. Dohi and S. Osaki,�Continuous software reliability models --How good are they? --,�
*Proceedings of the International Conference on Quality, Reliability, Maintenance and Safety Engineering (ICQR2MSE 2011)*, pp. 418--423, IEEE CPS, 2011. - H. Okamura, T. Dohi and S. Osaki,�Software reliability growth model with normal distribution and its parameter estimation,�
*Proceedings of the International Conference on Quality, Reliability, Maintenance and Safety Engineering (ICQR2MSE 2011)*, pp. 424--429, IEEE CPS, 2011. - R. Hakozaki and T. Dohi,�Non-parametric bootstrapping in software reliability assessment,�
*Proceedings of the 7th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2011)*, pp. 207--213, 2011. - H. Okamura, T. Hirata and T. Dohi,�Semi-parametric approach for software reliability evaluation using mixed gamma distributions,�
*Proceedings of the 7th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2011)*, pp. 390--396, 2011. - H. Okamura, T. Dohi, S. Shiraishi and M. Abe,�Composite dependability modeling for in-vehicle networks,�
*Supplemental Proceedings of the 41st Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN-2011)*, pp. 240--245, IEEE CPS 2011. - M. Kimura, S. Inoue, Y. Kakuda and T. Dohi, �A route discovery method for alleviating traffic congestion based on VANETs in urban transportations considering a relation between vehicle density and average velocity,�
*Proceedings of the 10th International Symposium on Autonomous Decentralized Systems (ISADS-2011)*, pp. 299--302, IEEE CPS, 2011. - H. Okamura and T. Dohi,�Application of reinforcement learning to software rejuvenation,�
*Proceedings of the 10th International Symposium on Autonomous Decentralized Systems (ISADS-2011)*, pp. 647--652, IEEE CPSs, 2011. - H. Okamura, Y. Etani and T. Dohi,�Quantifying the effectiveness of testing efforts on software fault detection with a logit software reliability growth model,�
*Proceedings of 2011 Joint Conference of the 21st International Workshop on Software Measurement (IWSM-2011) and the 6th International Conference on Software Process and Product Measurement (MENSURA-2011)*, pp. 62--68, IEEE CPS, 2011. - H. Okamura and T. Dohi,�A POMDP formulation of multistep failure model with software rejuvenation,�
*Proceedings of IEEE 3rd International Workshop on Software Aging and Rejuvenation (WoSAR-2011)*, pp. 14--19, IEEE CPS, 2011. - Z. Yi and T. Dohi, �Quantitative comparison of survivability models for wireless ad hoc networks,�
*Proceedings of 2011 Second International Conference on Networking and Computing (ICNC-2011)*, pp. 284--287, IEEE CPS, 2011. - K. Okumura, H. Okamura and T. Dohi, �On the effect of the order of test cases in the modified exponential software reliability growth model,�
*Proceedings of 2011 Second International Conference on Networking and Computing (ICNC-2011)*, pp. 294--296, IEEE CPS, 2011. - T. Dohi,�Environmental diversity techniques of software systems - from checkpoint restart to software rejuvenation -,�
*Future Generation Information Technology (FGIT 2011)*(T.-H. Kim, H. Adeli, D. Slezak, F. E. Sandnes, X. Song, K.-I. Chung and K. P. Arnett, eds.), Lecture Note in Computer Science, vol. 7105, pp. 37--38, Springer-Verlag, 2011. - H. Okamura, T. Dohi and S. Osaki,�Bayesian inference for credible intervals of optimal software release time,�
*Advances in Software Engineering & Its Applications (ASEA 2011)*(T.-H. Kim, H. Adeli, H.-K. Kim, H.-J. Kang, K. J. Kim, A. Kiumi and B.-H. Kang, eds.), Communications in Computer and Information Science, vol. 257, pp. 377--384, Springer-Verlag, 2011. - X. Xiao and T. Dohi,�Estimating software reliability using exreme value distributions,�
*Advances in Software Engineering & Its Applications (ASEA 2011)*(T.-H. Kim, H. Adeli, H.-K. Kim, H.-J. Kang, K. J. Kim, A. Kiumi and B.-H. Kang, eds.), Communications in Computer and Information Science, vol. 257, pp. 399--406, Springer-Verlag, 2011. - T. Kaneishi and T. Dohi,�Parametric bootstrapping for assessing software reliability measures,�
*Proceedings of 17th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2011)*, pp. 1--9, IEEE Computer Society Press, 2011. - X. Xiao and T. Dohi,�Estimating software intensity function via multiscale analysis and its application to reliability assessment,�
*Proceedings of 17th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2011)*, pp. 10--19, IEEE CPS, 2011. - H. Okamura and T. Dohi,�Unification of software reliability models using Markovian arrival processes,�
*Proceedings of 17th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC-2011)*, pp. 20--27, IEEE CPS, 2011. - H. Okamura and T. Dohi,�Optimal time-out policy in dynamic power management,�
*Proceedings of the 2nd International Conference on Computer and Management (CAMAN-2012)*, pp. 916--919, IEEE CPS, 2012. - Y. Saito and T. Dohi,�Nash equilibrium strategy for a software release game,�
*Proceedings of the 2nd International Conference on Computer and Management (CAMAN-2012)*, pp. 3822--3825, IEEE CPS, 2012. - S. Ikemoto, T. Dohi and H. Okamura,�Estimating software reliability via pseudo maximum likelihood method,�
*Proceedings of 27th ACM Symposium on Applied Computing (SAC-2012)*, pp. 1171--1176, ACM, 2012. - S. Ukimoto, T. Dohi and H. Okamura,�Software testing-resource allocation with operational profile,�
*Proceedings of 27th ACM Symposium on Applied Computing (SAC-2012)*, pp. 1203--1208, ACM, 2012. - X. Xiao and T. Dohi,�Robust wavelet shrinkage estimation without data transform for software reliability assessment,�
*Proceedings of the 6th IEEE International Conference on Software Security and Reliability (SERE-2012)*, pp. 215--224, IEEE CPS, 2012. - S. Tokumoto and T. Dohi,�Risk-based intelligent software release planning,�
*Proceedings of The 9th IEEE International Conference on Ubiquitous Intelligence and Computing (UIC 2012)*, pp. 240--247, IEEE CPS, 2012. - T. Dohi, H. Okamura and K. S. Trivedi,�Optimizing software rejuvenation policies under interval reliability criteria,�
*Proceedings of The 9th IEEE International Conference on Autonomic and Trusted Computing (ATC 2012)*, pp. 478--485, IEEE CPS, 2012. - C. Luo, H. Okamura and T. Dohi,�Model-based performance optimization of generalized snapshot isolation in database system,�
*Proceedings of The 9th IEEE International Conference on Autonomic and Trusted Computing (ATC 2012)*, pp. 494--500, IEEE CPS, 2012. - J. Zheng, H. Okamura and T. Dohi,�Component importance analysis of virtualized system,�
*Proceedings of The 9th IEEE International Conference on Autonomic and Trusted Computing (ATC 2012)*, pp. 462--469, IEEE CPS, 2012. - K. Hari and T. Dohi,�Dependability modeling and analysis of random port hopping,�
*Proceedings of 2012 Symposia and Workshop on Ubiquitous, Autonomic and Trusted Computing (The Third International Symposium on Multidisciplinary Emerging Networks and Systems (MENS2012))*, pp. 586--593, IEEE CPS, 2012. - N. Bessio and T. Dohi,�Comparing checkpoint and rollback recovery schemes in a cluster system,�
*The 12th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP 2012) Part II*(Y. Xiang, et al. eds.), Lecture Notes in Computer Science, vol. 7439, pp. 531--545, Springer-Verlag, 2012. - Z. Yi, T. Dohi and H. Okamura,�Survivability modeling and analysis for a power-aware wireless ad hoc network,�
*Proceedings of 4th International Workshop on Reliable Networks Design and Modeling (RNDM 2012)*, pp. 813--819, IEEE CPS, 2012. - K. Hari, T. Dohi and K. S. Trivedi,�Fast optimization algorithms for designing cellular networks with guard channel,�
*Proceedings of The 31st International Symposium on Reliable Distributed Systems (SRDS 2012)*, pp. 249--254, IEEE CPS, 2012. - T. Imanaka and T. Dohi,�NHPP-based software reliability modeling with zero-truncation and zero-inflation,�
*Proceedings of 2012 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2012)*, pp. 160--167, McGraw-Hill, Taiwan, 2012. - T. Koga and T. Dohi,�Reliability optimization for real-time systems with series and parallel task processing with dynamic voltage and frequency scaling,�
*Proceedings of 2012 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2012)*, pp. 263--270, McGraw-Hill, Taiwan, 2012. - H. Okamura and T. Dohi,�Application of hierarchical Bayesian modeling to discrete-time software reliability growth model,�
*Proceedings of 2012 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2012)*, pp. 382--389, McGraw-Hill, Taiwan, 2012. - S. Tokumoto, T. Dohi and W. Y. Yun,�Confidence interval of optimal age replacement policy,�
- R. Watanabe, H. Okamura and T. Dohi,�Variational Bayes for discrete phase-type distributions,�
- X. Xiao and T. Dohi,�Binomial software reliability model using equilibrium distribution,�
- K. Yamamoto, H. Okamura and T. Dohi,�Transient analysis of software rejuvenation policies in virtualized system,�
- H. Okamura, M. Tokuzane and T. Dohi,�Security evaluation for software system with vulnerability life cycleand user profiles,�
*Proceedings of 2012 Workshop on Dependable Transportation/Recent Advances in Software Dependability (WDTS-RASD 2012)*, pp. 39--44, IEEE CPS, 2012. - S. Tokumoto, T. Dohi and W. Y. Yun,�Towards development of risk-based checkpointing scheme via parametric bootstrapping,�
*Proceedings of 2012 Workshop on Dependable Transportation/Recent Advances in Software Dependability (WDTS-RASD 2012)*, pp. 50--55, IEEE CPS, 2012. - H. Okamura and T. Dohi,�Optimization of opportunity-based software rejuvenation policy,�
*Proceedings of IEEE 4th International Workshop on Software Aging and Rejuvenation (WoSAR-2012)*, pp. 283--286, IEEE CPS, 2012. - R. Watanabe, H. Okamura and T. Dohi,�An efficient MCMC algorithm for continuous PH distributions,�
*Proceedings of The 2012 Winter Simulation Conference*(C. Laroque, J. Himmelspach, R. Pasupathy, O. Rose and A. M. Uhrmacher, eds.), 12 pages, 2012. - M. Kimura, S. Inoue, Y. Taoda, T. Dohi and Y. Kakuda,�A novel method based on VANET for alleviating traffic congestion in urban transportations,�
*Proceedings of the 11th International Symposium on Autonomous Decentralized Systems (ISADS 2013)*, pp. 1--7, IEEE CPS, 2013. - S. Ukimoto and T. Dohi,�A software cost model with reliability constraint under two operational scenarios,�
*Advanced Science and Technology Letters*, vol. 19, pp. 236--239, SERSC, 2013. - H. Okamura, T. Hirata and T. Dohi,�NHPP-based software reliability model with mixed gamma distribution,�
*Advanced Science and Technology Letters*, vol. 19, pp. 240--243, SERSC, 2013. - T. Kaneishi and T. Dohi,�Software reliability modeling and evaluation under incomplete knowledge on fault distribution,�
*Proceedings of the 7th IEEE International Conference on Software Security and Reliability (SERE-2013)*, pp. 3--12, IEEE CPS, 2013. - Y. Doi and T. Dohi,�Workload-dependent optimal checkpoint placement,�
*Proceedings of the 8th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2013)*, pp. 74--78, 2013. - J. Zheng, H. Okamura and T. Dohi,�Sensitivity analysis of reliability function for virtualized system,�
*Proceedings of the 8th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2013)*, pp. 229--232, 2013. - C. Luo, H. Okamura and T. Dohi,�Modeling and analysis of multi-version concurrent control,�
*Proceedings of The 37th Annual International Computer Software and Applications Conference (COMPSAC 2013)*, pp. 53--58, IEEE CPS, 2013. - D. Kuwa and T. Dohi,�Generalized logit-based software reliability modeling with metrics data,�
*Proceedings of The 37th Annual International Computer Software and Applications Conference (COMPSAC 2013)*, pp.246--255, IEEE CPS, 2013. - B. Wu, X. Xiao and T. Dohi,�Confidence interval of optimal software-testing resource-allocation policy,�
*Proceedings of The 17th International Conference on Industrial Engineering Theory, Applications and Practicee (IJIE 2013)*, pp. 129--135, 2013. - Y. Saito, T. Dohi and W. Y. Yun,�Applying parametric bootstrap methods for a block replacement problem with minimal repair,�
*Proceedings of The 17th International Conference on Industrial Engineering Theory, Applications and Practicee (IJIE 2013)*, pp. 136--142, 2013. - S. Ikemoto, T. Dohi and H. Okamura,�Estimating software reliability with static project data in incremental development processes,�
*Proceedings of 2013 Joint Conference of the 23rd International Workshop on Software Measurement (IWSM-2013) and the 8th International Conference on Software Process and Product Measurement (MENSURA-2013)*, pp. 219--224, IEEE CPS, 2013. - H. Okamura and T. Dohi,�SRATS: Software reliability assessment tool on spreadsheet,�
*Proceedings of The 24th International Symposium on Software Reliability Engineering (ISSRE 2013)*, pp. 100--117, IEEE CPS, 2013. - S. Ikemoto, T. Dohi and H. Okamura,�Quantifying software test process and product reliability simultaneously,�
*Proceedings of The 24th International Symposium on Software Reliability Engineering (ISSRE 2013)*, pp. 108--117, IEEE CPS, 2013. - H. Okamura, C. Luo and T. Dohi,�Estimating response time distribution of server application in software aging phenomenon,�
*Proceedings of IEEE 5th International Workshop on Software Aging and Rejuvenation (WoSAR-2013)*, 4 pages, IEEE CPS, 2013. - D. Kuwa and T. Dohi,�Generalized Cox proportional hazards regression-based software reliability modeling with metrics data,�
*Proceedings of The 19th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC 2013)*, pp. 328--337, IEEE CPS, 2013. - H. Okamura and T. Dohi,�A novel framework of software reliability evaluation with software reliability growth models and software metrics,�
*Proceedings of The 15th IEEE International Symposium on High Assurance Systems Engineering (HASE 2014)*, pp. 97--104, IEEE CPS, 2014. - H. Okamura, J. Guan, C. Luo and T. Dohi,�Quantifying resiliency of virtualized system with software rejuvenation,�
*Proceedings of The 2014 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2014)*, 6 pages, 2014. - K. Shibata, K. Rinsaka and T. Dohi,�M-SRAT: Metrics-based software reliability assessment tool,�
*Proceedings of The 2014 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2014)*, 5 pages, 2014. - T. Imanaka and T. Dohi,�Burr XII distribution-based software reliability modeling,�
*Proceedings of The 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2014)*, pp. 176--183, McGraw-Hill, Taiwan, 2014. - C. Luo, H. Okamura and T. Dohi,�Optimized patch applying schedule within multiplex software architecture,�
*Proceedings of The 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2014)*, pp. 311--318, McGraw-Hill, Taiwan, 2014. - H. Okamura, Y. Takekoshi and T. Dohi,�Fine-grained software reliability estimation using software testing inputs,�
*Proceedings of The 6th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2014)*, pp. 365--372, McGraw-Hill, Taiwan, 2014. - H. Okamura and T. Dohi,�Maximum penalized likelihood estimation for phase-type software reliability growth model,�
- Y. Saito, T. Dohi and W. Y. Yun,�A kernel-based estimation for a periodic replacement policy with minimal repair,�
- Y. Saito and T. Dohi,�Nonparametric maximum likelihood estimation of NHPP-based software reliability model,�
- T. Koga, T. Dohi and H. Okamura,�Optimal reliability design for real-time systems with dynamic voltage and frequency scaling,�
*Proceedings of The 20th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC 2014)*, pp. 213--222, IEEE CPS, 2014. - H. Okamura, Y. Kunimoto and T. Dohi,�Coarse-grained parallel uniformization for continuous-time Markov chains,�
*Proceedings of The 20th IEEE Pacific Rim International Symposium on Dependable Computing (PRDC 2014)*, pp. 116--124, IEEE CPS, 2014. - H. Okamura and T. Dohi,�A note on variational Bayes approach for software reliability growth model with normal distribution,�
*Proceedings of the 9th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2015)*, pp. 41--48, 2015. - Y. Saito and T. Dohi,�Nonparametric maximum likelihood estimator with software fault count data,�
*Proceedings of the 9th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2015)*, pp. 49--55, 2015. - S. Tokumoto and T. Dohi,�Interval estimation of optimal software rejuvenation policy,�
*Proceedings of the 9th International Conference on Mathematical Methods in Reliability, --Theory, Methods and Applications -- (MMR-2015)*, pp. 1085--1092, 2015. - Z. Yi and T. Dohi,�A simulation approach to quantify network survivability on MANETs,�
*Proceedings of The 5th IEEE International Workshop on Network Technologies and Security, Administration and Protection (NETSAP 2015)*, pp. 268--273, IEEE CPS, 2015. - H. Okamura, M. Gong and T. Dohi,�A note on optimal allocation of testing-resources with architecture-based software reliability model,�
*Proceedings of The 2015 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2015)*, vol. I, pp. 8--13, 2015. - Y. Saito and T. Dohi,�Robustness of non-homogeneous gamma process-based software reliability models,�
*Proceedings of The 2015 IEEE International Conference on Software Quality, Reliability and Security (QRS 2015)*, pp. 75--84, IEEE CPS, 2015. - H. Okamura, Y. Takekoshi and T. Dohi,�Fine-grained software reliability estimation using software testing inputs,�
*Proceedings of The 2015 IEEE International Conference on Software Quality, Reliability and Security (QRS 2015)*, pp. 85--92, IEEE CPS, 2015. - Z. Yi and T. Dohi,�Survivability analysis with border effects for power-aware mobile ad hoc network,�
*Proceedings of The 12th IEEE International Conference on Advanced and Trusted Computing (ATC 2015)*, pp. 476--483, IEEE CPS, 2015. - H. Okamura, S. Miyata and T. Dohi,�Optimal power-aware design in a cluster system: Markov decision process approach,�
*Proceedings of The 12th IEEE International Conference on Advanced and Trusted Computing (ATC 2015)*, pp. 527--532, IEEE CPS, 2015. - H. Okamura and T. Dohi,�mapfit: An R-based tool for PH/MAP parameter estimation,�
*The 14th International Conference on Quantitative Evaluation of Systems (QEST2015)*(J. Campos and B.R. Haverkort, eds.), Lecture Notes in Computer Science, vol. 9295, pp. 105--112, Springer-Verlag, 2015. - H. Okamura and T. Dohi,�Towards comprehensive software reliability evaluation in open source software,�
*Proceedings of The 24th International Symposium on Software Reliability Engineering (ISSRE 2015)*, pp. 121--129, IEEE CPS, 2015. - Z. Yi, T. Dohi and H. Okamura,�Survivability quantification of wireless ad hoc network taking account of border effects,�
*Proceedings of The 21st IEEE Pacific Rim International Symposium on Dependable Computing (PRDC 2015)*, pp. 149--158, IEEE CPS, 2015. - J. Zheng, H. Okamura and T. Dohi,�Component importance measures for real-time computing systems in the presence of common-cause failures,�
*Proceedings of The 21st IEEE Pacific Rim International Symposium on Dependable Computing (PRDC 2015)*, pp. 301--310, IEEE CPS, 2015. - J. Zheng, H. Okamura and T. Dohi,�Mean time to security failure of VM-based intrusion tolerant systems,�
*Proceedings of The 15th International Workshop on Assurance in Distributed Systems and Networks (ADSN2016)*, IEEE CPS, 2016. - Y. Saito and T. Dohi,�Another kernel-based nonparametric estimation for trend renewal processes,�
*Proceedings of The 7th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2016)*, pp. ??--??, McGraw-Hill, Taiwan, 2016. - H. Okamura and T. Dohi,�Performance comparison of algorithms for computing parametric sensitivity functions in continuous-time Markov chains,�
*Proceedings of The 7th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2016)*, pp. ??--??, McGraw-Hill, Taiwan, 2016. - J. Zheng, H. Okamura and T. Dohi,�A Markov-based component importance analysis of real-time computing systems in a warm standby configuration,�
*Proceedings of The 7th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2016)*, pp. ??--??, McGraw-Hill, Taiwan, 2016. - T. Dohi and H. Okamura,�Failure-correlated opportunity-based age replacement policies,�
- M. Begum and T. Dohi,�Optimal software release decision via artificial neural network approach with bug count data,�

**Others (Tutorial/Survey Articles)**

- T. Dohi, T. Aoki, N. Kaio and S. Osaki,�Statistical methods for probabilistic maintenance problems,�
*The Journal of Reliability Engineering Association of Japan*(tutorial paper), vol. 18, no. 1, pp. 35--42, 1996. - T. Dohi and S. Osaki,�Software reliability assessment methods applying neural networks (in Japanese)�,
*Communications of the Operations Research Society of Japan*(Special Survey on Recent Trend of Software Reliability Assessment Methods), vol. 44, no. 8, pp. 410--414, 1999. - H. Okamura and T. Dohi,�Recent topics on statistical methods for software reliability assessment (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on New Development of Software Reliability Engineering), vol. 27, no. 7, pp. 449--460, 2005. - T. Dohi,�Sequential inspection problems and their applications,�
*Communications of the Operations Research Society of Japan*(Special Survey on Recent Topics on Operations Research), vol. 51, no. 5, pp. 291--297, 2006. - H. Okamura and T. Dohi,�Recent topics on architecture-based software reliability models (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Reliability and Maintainability of Information Systems), vol. 28, no. 8, pp. 537--545, 2006. - H. Okamura and T. Dohi,�Canonical form of phase-type distributions and their practice in parameter estimation (in Japanese),�
*Communications of the Operations Research Society of Japan*(Special Survey on Consult the Past if You Want to Learn about the Future in Reliability--), vol. 52, no. 7, pp. 383--389, 2007. - T. Uemura and T. Dohi,�Design and evaluation of intrusion tolerant systems~topics on stochastic modeling~(in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Case Studies on Reliability, Maintainability and Safety - 10 Years from the Last Reliability Handbook Publication-), vol. 30, no. 3, pp. 223--234, 2008. - H. Okamura and T. Dohi,�Utilization of software metrics in software reliability assessment (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Recent Theory and Applications in Reliability and Safety), vol. 32, no. 1, pp. 18--25, 2010. - T. Koga, T. Dohi and H. Okamura,�Reliability design of a real-time embedded system with power consumption restriction (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Reliability Modeling and Optimization), vol. 35, no. 1, pp. 24--30, 2013. - T. Dohi,�What is software aging? (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Software Aging and Rejuvenation), vol. 36, no. 1, pp. 2--9, 2014. - H. Okamura and T. Dohi,�Recent trend on software rejuvenation models (in Japanese),�
*The Journal of Reliability Engineering Association of Japan*(Special Survey on Recent Theory and Applications in Reliability and Safety), vol. 36, no. 1, pp. 10--15, 2014. - T. Dohi and H. Okamura,�Toward the next generation software reliability assessment technology (in Japanese),�
*SEC Journal*, vol. 10, no. 10, pp. 28--35, 2015.