H. Okamura and T. Dohi, Fitting phase-type distributions and Markovian arrival processes: Algorithms and tools, Principles of Performance and Reliability Modeling and Evaluation, Chapter 3, Springer, 2016 (in press).

DOI 10.1007/978-3-319-30599-8_3

H. Okamura, T. Dohi and S. Osaki, A dynamic programming approach for sequential preventive maintenance policies with two failure modes, Reliability Modeling with Applications - Essays in Honor of Professor Toshio Nakagawa on his 70th Birthday (S. Nakamura, C. H. Qian and M. Chen, eds.), pp. 3-16, World Scientific, Singapore, 2014.

H. Okamura and T. Dohi, Application of EM algorithm to NHPP-based software reliability assessment, Stochastic Reliability and Maintenance Modeling -Essays in Honor of Professor Shunji Osaki on his 70th Birthday (T. Dohi and T. Nakagawa, eds.), pp. 285-313, Springer, London, 2013.

H. Okamura and T. Dohi, Some remarks on Littlewood software reliability model, In P.K. Kapur and A.K. Verma, editors, Quality, Reliability and Information Technology: Trends and Future Directions, 143-157, Narosa Publishing House, New Delhi, 2003.

H. Okamura, T. Dohi, and S. Osaki, Optimal shutdown policies for a computer system in the power-effective design, In J.C. Misra, editor, Uncertainty and Optimality, Chapter 17, 507-539, World Scientific, Singapore, 2002.

H. Okamura, T. Dohi, and S. Osaki, Computation algorithms of the cost-effective EMQ with PM, In M.A. Rahim and M.Ben-Daya, editors, Integrated Models in Production Planning, Inventory, Quality, and Maintenance, Chapter 2, 31-65, Kluwer Academic Publishers, Boston, 2001.