REL 広島大学 ディペンダブルシステム論研究室

学術論文

252 件

2026

  1. J. Wu, T. Dohi, J. Zheng and H. Okamura A Fine-grained parametric bootstrap approach for NHPP-based software reliability modeling Journal of Systems and Software, 236, pp. 112789, 2026
  2. H. Okamura, J. Zheng and T. Dohi A unified palm measure framework for failure-event-based component importance measures in nonrepairable, repairable, and phase-mission systems Probability in the Engineering and Informational Sciences, 2026
  3. H. Okamura, J. Zheng and T. Dohi An EM algorithm for estimating phase-type distributions with left-truncated and right-censored data Journal of Applied Probability, 2026
  4. J. Yu, Y. Ding, J. Dai, J. Zheng, J. Wu and H. Sato Toward Scalable LLM-Based Multi-Agent Collaboration: A Dynamic Task Graph Approach with Asynchronous Parallel Execution † Electronics Switzerland, 15(11), pp. 2475, 2026

2025

  1. J. Wu, T. Dohi and H. Okamura A novel lifetime analysis of repairable systems via Daubechies wavelets Annals of Operations Research, 349(1), pp. 287–314, 2025
  2. Z. Zhu, J. Zheng, E. Takimoto, P. Finnerty and C. Ohta Directional Handover Analysis with Stochastic Petri Net and Poisson Point Process in Heterogeneous Networks Mathematics, 13(3), pp. 349, 2025
  3. X. Guo, H. Okamura and T. Dohi Improving test suite generation quality through machine learning-driven boundary value analysis Array, 27, pp. 100496, 2025

2024

  1. J. Wu, C. Qian and T. Dohi A GENERAL FRAMEWORK FOR OPTIMAL DISCRETE-TIME PREVENTIVE REPLACEMENT MODELS Iet Conference Proceedings, 2024(12), pp. 726–733, 2024
  2. J. Wu, C. Qian and T. Dohi A Net Present Value Analysis of Opportunity-Based Age Replacement Models in Discrete Time Mathematics, 12(10), pp. 1472, 2024
  3. J. Wu, C. Qian, T. Dohi and H. Okamura An NPV analysis of opportunity-based age replacement model International Journal of Reliability and Safety, 18(2), pp. 121–143, 2024
  4. T. Dohi, S. Li and O. Hiroyuki Local polynomial software reliability models and their application Information and Software Technology, 166, pp. 107366, 2024
  5. J. Wu, T. Dohi and H. Okamura Long-term software fault prediction with wavelet shrinkage estimation Journal of Systems and Software, 216, pp. 112123, 2024
  6. J. Zheng, H. Okamura and T. Dohi On the sensitivity of stationary solutions of Markov regenerative processes Performance Evaluation, 164, pp. 102397, 2024
  7. J. Wu, C. Qian and T. Dohi Optimal opportunity-based age replacement policies in discrete time Reliability Engineering and System Safety, 241, pp. 109587, 2024
  8. X. Guo, H. Okamura and T. Dohi Optimal test case generation for boundary value analysis Software Quality Journal, 32(2), pp. 543–566, 2024
  9. Q. Q. Zhao, J. Y. Yoo, T. Dohi and W. Y. Yun Optimum maintenance units in multi-indenture systems Quality and Reliability Engineering International, 40(5), pp. 2792–2821, 2024
  10. H. Yano, T. Dohi and H. Okamura Performance Comparison of Software Reliability Estimation Algorithms Computer, 57(4), pp. 26–36, 2024
  11. Z. Feng, H. Okamura, T. Dohi and W. Y. Yun Reliability Computing Methods of Probabilistic Location Set Covering Problem Considering Wireless Network Applications IEEE Transactions on Reliability, 73(1), pp. 290–303, 2024
  12. J. Wu, C. Qian and T. Dohi Two Discrete-time Age-based Replacement Problems with/without Discounting International Journal of Mathematical Engineering and Management Sciences, 9(3), pp. 385–410, 2024
  13. J. Wu, K. Daido, T. Dohi and H. Okamura YET ANOTHER LEAST SQUARES ESTIMATION IN NHPP-BASED SOFTWARE RELIABILITY MODELS WITH GROUPED DATA Iet Conference Proceedings, 2024(12), pp. 205–211, 2024

2023

  1. S. Li, T. Dohi and H. Okamura Nonhomogeneous Markov Process Modeling for Software Reliability Assessment IEEE Transactions on Reliability, 72(4), pp. 1540–1555, 2023
  2. C. Li, J. Zheng, H. Okamura and T. Dohi Performance Evaluation of a Cloud Datacenter Using CPU Utilization Data Mathematics, 11(3), pp. 513, 2023
  3. S. Li, T. Dohi and H. Okamura Software reliability analysis via geometric de-eutrophication models with group data International Journal of System Assurance Engineering and Management, 14(1), pp. 156–164, 2023
  4. Z. Feng, T. Dohi and W. Y. Yun System reliability analysis of a lamp problem by simulation Proceedings of the Institution of Mechanical Engineers Part O Journal of Risk and Reliability, 237(6), pp. 1186–1198, 2023
  5. M. Yu and J. Zheng Introducing Artificial/Computational Intelligence-Derived Non-Parametric Transfer Functions for the Implementation of Dynamic Circular Economy Decision-Making Systems Electronics, 12(4), pp. 1050, 2023

2022

  1. S. Li, T. Dohi and H. Okamura A Comprehensive Analysis of Proportional Intensity-Based Software Reliability Models with Covariates Electronics Switzerland, 11(15), pp. 2353, 2022
  2. J. Wu, C. Qian and T. Dohi Are Replacement Last Policies Always Better Than Replacement First Policies? Iet Conference Proceedings, 2022(21), pp. 1256–1261, 2022
  3. X. Guo, H. Okamura and T. Dohi Automated Software Test Data Generation With Generative Adversarial Networks IEEE Access, 10, pp. 20690–20700, 2022
  4. S. Li, T. Dohi and O. Hiroyuki Burr-type NHPP-based software reliability models and their applications with two type of fault count data Journal of Systems and Software, 191, pp. 111367, 2022
  5. H. V. Nguyen, J. Zheng, A. Inomata and T. Uehara Code Aggregate Graph: Effective Representation for Graph Neural Networks to Detect Vulnerable Code IEEE Access, 10, pp. 123786–123800, 2022
  6. T. Dohi, H. Okamura and C. H. Qian Computation algorithms for workload-dependent optimal checkpoint placement International Journal of System Assurance Engineering and Management, 13, pp. 788–796, 2022
  7. W. Zhou, F. Nakatsubo, J. Wu and K. Liu Digital ethnography of an online professional learning community based on WeChat for Chinese early childhood teachers Computers and Education, 191, pp. 104617, 2022
  8. K. Taga, J. Zheng, K. Mouri, S. Saito and E. Takimoto Firewall Traversal Method by Pseudo-TCP Encapsulation IEICE Transactions on Information and Systems, E105D(1), pp. 105–115, 2022
  9. C. Li, J. Zheng, H. Okamura and T. Dohi Hierarchical Bayesian Parameter Estimation of Queueing Systems using Utilization Data International Journal of Performability Engineering, 18(5), pp. 307–316, 2022
  10. Y. Saito and T. Dohi NASH EQUILIBRIUM STRATEGIES REVISITED IN SOFTWARE RELEASE GAMES Probability in the Engineering and Informational Sciences, 36(1), pp. 105–125, 2022
  11. C. Li, J. Zheng, H. Okamura and T. Dohi Parameter Estimation of Markovian Arrivals with Utilization Data IEICE Transactions on Communications, E105–B(1), pp. 1–10, 2022
  12. J. Zheng, H. Okamura and T. Dohi Sensitivity analysis for a Markov regenerative software rejuvenation model Stochastic Models, 2022
  13. C. Li, J. Zheng, H. Okamura and T. Dohi Software Reliability Prediction through Encoder-Decoder Recurrent Neural Networks International Journal of Mathematical Engineering and Management Sciences, 7(3), pp. 325–340, 2022
  14. J. Zhang, J. Zheng, H. Okamura and T. Dohi Uncertainty Analysis of Virtualized Systems with Live Migration Iet Conference Proceedings, 2022(21), pp. 1350–1354, 2022
  15. J. Zhang, J. Zheng, H. Okamura and T. Dohi Variance-Based Sensitivity Analysis for Markov Models using Moment Approximation International Journal of Performability Engineering, 18(5), pp. 329–337, 2022
  16. S. Li, T. Dohi and H. Okamura Are Infinite-Failure NHPP-Based Software Reliability Models Useful? Software, 2(1), pp. 1–18, 2022

2021

  1. T. Dohi, J. Zheng and H. Okamura A Note on the Time to Failure of a Two-Unit Parallel Redundant System with Deterioration on a Lattice International Journal of Mathematical Engineering and Management Sciences, 6(1), pp. 3–14, 2021
  2. C. Li and J. Zheng API Call-Based Malware Classification Using Recurrent Neural Networks Journal of Cyber Security and Mobility, 10(3), pp. 617–640, 2021
  3. J. Zheng, H. Okamura and T. Dohi Age replacement with Markovian opportunity process Reliability Engineering and System Safety, 216, pp. 107949, 2021
  4. J. Zhang, J. Zheng, H. Okamura and T. Dohi An efficient algorithm for computation of information matrix in phase-type fitting International Journal for Computational Methods in Engineering Science and Mechanics, 22(3), pp. 193–199, 2021
  5. H. Okamura and T. Dohi Application of em algorithm to nhpp-based software reliability assessment with generalized failure count data Mathematics, 9(9), pp. 985, 2021
  6. J. Zheng, H. Okamura and T. Dohi Availability analysis of software systems with rejuvenation and checkpointing Mathematics, 9(8), pp. 846, 2021
  7. J. Zheng, H. Okamura, T. Pang and T. Dohi Availability importance measures of components in smart electric power grid systems Reliability Engineering and System Safety, 205, pp. 107164, 2021
  8. Y. Kajiwara, J. Zheng and K. Mouri Performance comparison of training datasets for system call-based malware detection with thread information IEICE Transactions on Information and Systems, E104D(12), pp. 2173–2183, 2021
  9. J. Zheng, H. Okamura, T. Dohi and K. S. Trivedi Quantitative Security Evaluation of Intrusion Tolerant Systems with Markovian Arrivals IEEE Transactions on Reliability, 70(2), pp. 547–562, 2021

2020

  1. Y. Cheng, H. Okamura and T. Dohi A comprehensive performance evaluation on iterative algorithms for sensitivity analysis of continuous-time markov chains IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, 103(11), pp. 1252–1259, 2020
  2. J. Zheng, H. Okamura and T. Dohi A phase expansion for non-Markovian availability models with time-based aperiodic rejuvenation and checkpointing Communications in Statistics Theory and Methods, 49(15), pp. 3712–3729, 2020
  3. J. Zheng, H. Okamura and T. Dohi A transient interval reliability analysis for software rejuvenation models with phase expansion Software Quality Journal, 28(1), pp. 173–194, 2020
  4. T. Dohi, J. Zheng and H. Okamura Data-driven software reliability evaluation under incomplete knowledge on fault count distribution Quality Engineering, 32(3), pp. 421–433, 2020
  5. T. Dohi and H. Okamura Failure-Correlated Opportunity-based Age Replacement Models International Journal of Reliability Quality and Safety Engineering, 27(2), pp. 2040008, 2020
  6. J. Zheng, H. Okamura and T. Dohi Optimal rejuvenation policies for non-markovian availability models with aperiodic checkpointing IEICE Transactions on Information and Systems, E103D(10), pp. 2133–2142, 2020
  7. T. Dohi, H. Okamura and C. H. Qian Statistical software fault management based on bootstrap confidence intervals International Journal of Quality and Reliability Management, 37(6-7), pp. 905–923, 2020

2019

  1. Y. Saito and T. Dohi Comparison of kernel-based nonparametric estimation methods for trend renewal processes International Journal of Industrial Engineering Theory Applications and Practice, 26(1), pp. 1–11, 2019
  2. C. Li, H. Okamura and T. Dohi Parameter Estimation of M-{t}/M/1/K Queueing Systems with Utilization Data IEEE Access, 7, pp. 42664–42671, 2019

2018

  1. J. Zheng, H. Okamura and T. Dohi Component Importance Analysis of Mobile Cloud Computing System in the Presence of Common-Cause Failures IEEE Access, 6, pp. 18630–18642, 2018
  2. T. Dohi, J. Zheng, H. Okamura and K. S. Trivedi Optimal periodic software rejuvenation policies based on interval reliability criteria Reliability Engineering and System Safety, 180, pp. 463–475, 2018
  3. M. Begum and T. Dohi Optimal release time estimation of software system using Box-Cox transformation and neural network International Journal of Mathematical Engineering and Management Sciences, 3(2), pp. 177–194, 2018
  4. M. Begum and T. Dohi Optimal stopping time of software system test via artificial neural network with fault count data Journal of Quality in Maintenance Engineering, 24(1), pp. 22–36, 2018
  5. H. Okamura and T. Dohi Optimizing Testing-Resource Allocation Using Architecture-Based Software Reliability Model Journal of Optimization, 2018(1), pp. 6948656, 2018
  6. Y. Saito and T. Dohi Parametric bootstrap methods for estimating model parameters of Non-Homogeneous Gamma Process International Journal of Mathematical Engineering and Management Sciences, 3(2), pp. 167–176, 2018
  7. J. Zheng, H. Okamura and T. Dohi Reliability importance of components in a real-time computing system with standby redundancy schemes International Journal of Mathematical Engineering and Management Sciences, 3(2), pp. 64–89, 2018
  8. X. Xiao, T. Dohi and H. Okamura Optimal software testing-resource allocation with operational profile: computational aspects Life Cycle Reliability and Safety Engineering, 7(4), pp. 269–283, 2018

2017

  1. J. Zheng, H. Okamura, L. Li and T. Dohi A comprehensive evaluation of software rejuvenation policies for transaction systems with Markovian arrivals IEEE Transactions on Reliability, 66(4), pp. 1157–1177, 2017
  2. K. Rinsaka and T. Dohi An adaptive cost-based software rejuvenation scheme with nonparametric predictive inference approach Journal of the Operations Research Society of Japan, 60(4), pp. 461–478, 2017
  3. H. Okamura and T. Dohi Dynamic Power Management With Optimal Time-Out Policies IEEE Systems Journal, 11(2), pp. 962–972, 2017
  4. H. Okamura and T. Dohi Moment-based approach for some age-based replacement problems Journal of Industrial and Production Engineering, 34(8), pp. 558–567, 2017
  5. H. Okamura and T. Dohi Dynamic power management with optimal time-out policies in server system IEEE Systems Journal, 11(2), pp. 962–972, 2017
  6. H. Okamura and T. Dohi Moment-based approach for some age-based replacement problems Journal of Industrial and Production Engineering (published online), 2017

2016

  1. Y. Saito and T. Dohi Another look at nonparametric estimation for trend renewal processes Journal of the Operations Research Society of Japan, 59(4), pp. 312–333, 2016
  2. T. Dohi and H. Okamura Dynamic software availability model with rejuvenation Journal of the Operations Research Society of Japan, 59(4), pp. 270–290, 2016
  3. Y. Saito, T. Dohi and W. Y. Yun 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, 230(1), pp. 54–66, 2016
  4. 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, 230(1), pp. 44–53, 2016
  5. H. Okamura and T. Dohi Ph fitting algorithm and its application to reliability engineering Journal of the Operations Research Society of Japan, 59(1), pp. 72–109, 2016
  6. H. Okamura and T. Dohi Phase-type software reliability model: parameter estimation algorithms with grouped data Annals of Operations Research, 244(1), pp. 177–208, 2016
  7. Y. Saito and T. Dohi Predicting software reliability via completely monotone nonparametric estimator with grouped data Journal of Systems and Software, 117, pp. 296–306, 2016
  8. B. Momotaz and T. Dohi Prediction interval of cumulative number of software faults using multilayer perceptron Studies in Computational Intelligence, 619, pp. 43–58, 2016
  9. K. Rinsaka and T. Dohi Toward high assurance software systems with adaptive fault management Software Quality Journal, 24(1), pp. 65–85, 2016
  10. H. Okamura and T. Dohi Analysis of optimal restart policies for software systems Journal of Japan Industrial Management Association, 66(4E), pp. 416–425, 2016
  11. T. Dohi and H. Okamura Dynamic software availability model with rejuvenation Journal of the Operations Research Society of Japan, 59(4), pp. 270–290, 2016
  12. C. Luo, H. Okamura and T. Dohi Optimal planning for open source software updates Proceedings of the Institution of Mechanical Engineerings, Part O: Journal of Risk and Reliability, 230(1), pp. 44–53, 2016
  13. H. Okamura and T. Dohi PH fitting algorithm and its application to reliability engineering Journal of the Operations Research Society of Japan, 59(1), pp. 72–109, 2016

2015

  1. H. Okamura, S. Miyata and T. Dohi A Markov decision process approach to dynamic power management in a cluster system IEEE Access, 3, pp. 3039–3047, 2015
  2. H. Okamura and T. Dohi Analysis of optimal restart policies for software systems Journal of Japan Industrial Management Association, 66(4E), pp. 416–425, 2015
  3. K. Shibata, K. Rinsaka and T. Dohi M-SRAT: Metrics-based software reliability assessment tool International Journal of Performability Engineering, 11(4), pp. 369–379, 2015
  4. H. Okamura, Z. Yi and T. Dohi Network survivability modeling and analysis for power-aware MANETs by Markov regenerative processes Telecommunication Systems, 60(4), pp. 471–484, 2015
  5. Y. Saito, T. Moroga and T. Dohi Optimal software release decision based on nonparametric inference approach Journal of Japan Industrial Management Association, 66(4E), pp. 396–405, 2015
  6. 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, E98A(10), pp. 2051–2059, 2015
  7. Y. Saito and T. Dohi Software reliability assessment via non-parametric maximum likelihood estimation IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E98A(10), pp. 2042–2050, 2015
  8. T. Imanaka and T. Dohi Software reliability modeling based on Burr XII Distributions IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E98A(10), pp. 2091–2095, 2015
  9. Y. Saito and T. Dohi Stochastic marksmanship contest games with random termination - Survey and applications Journal of the Operations Research Society of Japan, 58(3), pp. 223–246, 2015
  10. J. Zheng, H. Okamura and T. Dohi Survivability analysis of VM-based intrusion tolerant systems IEICE Transactions on Information and Systems, E98D(12), pp. 2082–2090, 2015
  11. Z. Yi and T. Dohi Toward highly dependable power-aware mobile ad hoc network-survivability evaluation framework IEEE Access, 3, pp. 2665–2676, 2015
  12. 土肥 正 and 岡村 寛之 次世代ソフトウェア信頼性評価技術の開発に向けて SEC Journal, 10(6), pp. 28–35, 2015
  13. J. Zheng, H. Okamura and T. Dohi Availability Importance Measures for Virtualized System with Live Migration Applied Mathematics, 06(02), pp. 359–372, 2015

2014

  1. S. Tokumoto, T. Dohi and W. Y. Yun Bootstrap confidence interval of optimal age replacement policy International Journal of Reliability Quality and Safety Engineering, 21(4), pp. 1450018, 2014
  2. X. Xiao and T. Dohi Interval estimation method for decision making inwavelet-based software reliability assessment IEICE Transactions on Information and Systems, E96-D(5), pp. 1058–1068, 2014
  3. C. Luo, H. Okamura and T. Dohi Performance evaluation of snapshot isolation in distributed database system under failure-prone environment Journal of Supercomputing, 70(3), pp. 1156–1179, 2014
  4. 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, 11(3), pp. 335–352, 2014
  5. 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 Theory Applications and Practice, 21(6), pp. 337–347, 2014
  6. H. Okamura, R. Watanabe and T. Dohi Variational bayes for phase-type distribution Communications in Statistics Simulation and Computation, 43(8), pp. 2031–2044, 2014

2013

  1. X. Xiao and T. Dohi A Study on applying extreme value distribution to NHPP-based SRM Information Japan, 16(1 B), pp. 575–580, 2013
  2. X. Xiao and T. Dohi A measurement-based approach for estimating error rate of a web server system International Journal of Reliability and Safety, 7(1), pp. 1–16, 2013
  3. H. Okamura, H. Kishikawa and T. Dohi Application of deterministic annealing em algorithm to MAP/PH parameter estimation Telecommunication Systems, 54(1), pp. 79–90, 2013
  4. H. Okamura and T. Dohi Dynamic software rejuvenation policies in a transaction-based system under Markovian arrival processes Performance Evaluation, 70(3), pp. 197–211, 2013
  5. B. Zhou, H. Okamura and T. Dohi Enhancing performance of random testing through markov chain monte carlo methods IEEE Transactions on Computers, 62(1), pp. 186–192, 2013
  6. X. Xiao and T. Dohi Estimating software intensity function based on translation-invariant poisson smoothing approach IEEE Transactions on Reliability, 62(4), pp. 930–945, 2013
  7. 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, 29(2), pp. 141–156, 2013
  8. X. Xiao and T. Dohi On the role of Weibull-type distributions in NHPP-based software reliability modeling International Journal of Performability Engineering, 9(2), pp. 123–132, 2013
  9. H. Okamura and T. Dohi Optimal trigger time of software rejuvenation under probabilistic opportunities IEICE Transactions on Information and Systems, E96-D(9), pp. 1933–1940, 2013
  10. 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, 7(4), pp. 401–414, 2013
  11. H. Okamura, T. Dohi and S. Osaki Software reliability growth models with normal failure time distributions Reliability Engineering and System Safety, 116, pp. 135–141, 2013
  12. X. Xiao and T. Dohi Wavelet shrinkage estimation for non-homogeneous poisson process based software reliability models IEEE Transactions on Reliability, 62(1), pp. 211–215, 2013
  13. 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
  14. 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

2012

  1. T. Dohi and T. Uemura An adaptive mode control algorithm of a scalable intrusion tolerant architecture Journal of Computer and System Sciences, 78(6), pp. 1751–1774, 2012
  2. 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 and Systems, E95-D(9), pp. 2219–2226, 2012
  3. 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, E95-A(9), pp. 1461–1468, 2012
  4. 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, E95-A(5), pp. 894–902, 2012
  5. X. Xiao and T. Dohi Software failure time data analysis via wavelet-based approach IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E95-A(9), pp. 1490–1497, 2012
  6. T. Ishii, T. Dohi and H. Okamura Software reliability prediction based on least squares estimation Quality Technology and Quantitative Management, 9(3), pp. 243–264, 2012
  7. Z. Yi and T. Dohi Survivability analysis for a wireless ad hoc network based on semi-markov model IEICE Transactions on Information and Systems, E95-D(12), pp. 2844–2851, 2012
  8. 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

2011

  1. S. Mizoguchi and T. Dohi A fine-grained algorithm for non-parametric software reliability estimation International Journal of Software Engineering and Its Applications, 5(3), pp. 23–36, 2011
  2. H. Okamura, T. Dohi and K. S. Trivedi A refined em algorithm for PH distributions Performance Evaluation, 68(10), pp. 938–954, 2011
  3. 山口 祐介, 岡村 寛之 and 土肥 正 変分ベイズによるパラメータ相関を考慮した事後分布の近似計算 日本応用数理学会論文誌, 21(1), pp. 73–88, 2011

2010

  1. Y. Yamaguchi, H. Okamura and T. Dohi A variational bayesian approach for estimating parameters of a mixture of erlang distribution Communications in Statistics Theory and Methods, 39(13), pp. 2333–2350, 2010
  2. T. Uemura, T. Dohi and N. Kaio Availability analysis of an intrusion tolerant distributed server system with preventive maintenance IEEE Transactions on Reliability, 59(1), pp. 18–29, 2010
  3. H. Okamura and T. Dohi Comprehensive evaluation of aperiodic checkpointing and rejuvenation schemes in operational software system Journal of Systems and Software, 83(9), pp. 1591–1604, 2010
  4. C. H. Wang, T. Dohi and W. C. Tsai Coordinated procurement/inspection and production model under inspection errors Computers and Industrial Engineering, 59(3), pp. 473–478, 2010
  5. T. Uemura, T. Dohi and N. Kaio Dependability analysis of a scalable intrusion tolerant architecture with two detection modes Journal of Internet Technology, 11(2), pp. 289–298, 2010
  6. 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, 5(2), pp. 156–171, 2010
  7. T. Uemura and T. Dohi Optimal security patch management policies maximizing system availability Journal of Communications, 5(1), pp. 71–80, 2010
  8. B. C. Giri and T. Dohi Quantifying the risk in age and block replacement policies Journal of the Operational Research Society, 61(7), pp. 1151–1158, 2010
  9. H. Okamura and T. Dohi Software safety assessment based on a subordinated Markov chain International Journal of System Assurance Engineering and Management, 1(4), pp. 307–315, 2010
  10. T. Dohi, N. Shibata and N. Kaio Analysis of Two Economic Testing Policies in Discrete Time Quality Technology and Quantitative Management, 2010

2009

  1. 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, E92-A(7), pp. 1585–1592, 2009
  2. B. C. Giri and T. Dohi Cost-effective ordering policies for inventory systems with emergency order Computers and Industrial Engineering, 57(4), pp. 1336–1341, 2009
  3. K. Ohishi, H. Okamura and T. Dohi Gompertz software reliability model: Estimation algorithm and empirical validation Journal of Systems and Software, 82(3), pp. 535–543, 2009
  4. H. Okamura, T. Dohi and K. S. Trivedi Markovian arrival process parameter estimation with group data IEEE ACM Transactions on Networking, 17(4), pp. 1326–1339, 2009
  5. T. Ozaki, T. Dohi and N. Kaio Numerical computation algorithms for sequential checkpoint placement Performance Evaluation, 66(6), pp. 311–326, 2009
  6. H. Okamura and T. Dohi Software reliability modeling based on capture-recapture sampling IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E92-A(7), pp. 1615–1622, 2009

2008

  1. T. Ishii, T. Fujiwara and T. Dohi Bivariate extension of software reliability modeling with number of test cases International Journal of Reliability Quality and Safety Engineering, 15(1), pp. 1–17, 2008
  2. B. C. Giri and T. Dohi Determining economic manufacturing quantity for an unreliable manufacturing system in discrete time setting International Journal of Operational Research, 3(5), pp. 557–574, 2008
  3. K. Iwamoto, T. Dohi and N. Kaio Discrete repair-cost limit replacement policies with/without imperfect repair Asia Pacific Journal of Operational Research, 25(6), pp. 735–751, 2008
  4. I. Kazuki, D. Tadashi and K. Naoto Estimating periodic Software rejuvenation schedules under discrete-time operation circumstance IEICE Transactions on Information and Systems, E91-D(1), pp. 23–31, 2008
  5. H. Okamura and T. Dohi Software reliability modeling based on mixed poisson distributions International Journal of Reliability Quality and Safety Engineering, 15(1), pp. 19–32, 2008

2007

  1. H. Okamura, M. Ando and T. Dohi A generalized gamma software reliability model Systems and Computers in Japan, 38(2), pp. 81–90, 2007
  2. B. C. Giri and T. Dohi Inspection scheduling for imperfect production processes under free repair warranty contract European Journal of Operational Research, 183(1), pp. 238–252, 2007
  3. K. Shibata, K. Rinsaka and T. Dohi Dynamic software reliability modeling with discrete-test metrics: How good is it? International Journal of Industrial Engineering-Theory Applications and Practice, 2007
  4. 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-Theory Applications and Practice, 2007

2006

  1. H. Okamura, K. Iwamoto and T. Dohi A DP-based checkpointing scheme in real-time applications International Journal of Reliability Quality and Safety Engineering, 13(4), pp. 323–340, 2006
  2. B. C. Giri and T. Dohi Cost-effective production policy for a stochastic unreliable manufacturing system IMA Journal of Management Mathematics, 17(3), pp. 209–223, 2006
  3. K. Iwamoto, T. Dohi, H. Okamura and N. Kaio Discrete-time cost analysis for a telecommunication billing application with rejuvenation Computers and Mathematics with Applications, 51(2), pp. 335–344, 2006
  4. B. C. Giri, T. Dohi and N. Kaio Discrete-time spare ordering policy with randomized lead times and discounting International Transactions in Operational Research, 13(6), pp. 561–576, 2006
  5. 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, 3(2), pp. 130–140, 2006
  6. T. Dohi, N. Kaio and W. Young Yun Editorial Journal of Quality in Maintenance Engineering, 12(4), pp. 134–140, 2006
  7. 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, 13(6), pp. 565–579, 2006
  8. T. Dohi, N. Kaio, W. Young Yun, M. Agarwal and R. Gupta Genetic search for redundancy optimization in complex systems Journal of Quality in Maintenance Engineering, 12(4), pp. 338–353, 2006
  9. 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, 49(3), pp. 222–237, 2006
  10. K. Rinsaka and T. Dohi Optimal testing/maintenance design in a software development project Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 89(8), pp. 1–9, 2006
  11. T. Dohi, A. Ashioka, N. Kaio and S. Osaki Statistical estimation algorithms for repairs-time limit replacement scheduling under earning rate criteria Computers and Mathematics with Applications, 51(2), pp. 345–356, 2006
  12. T. Dohi, H. Suzuki and S. Osaki Transient cost analysis of non-markovian software systems with rejuvenation International Journal of Performability Engineering, 2(3), pp. 233–243, 2006

2005

  1. B. C. Giri, T. Dohi and N. Kaio A discrete-time order-replacement model with time discounting and spare part provisioning Journal of Quality in Maintenance Engineering, 11(3), pp. 190–205, 2005
  2. K. Rinsaka and T. Dohi Behavioral analysis of a fault-tolerant software system with Rejuvenation IEICE Transactions on Information and Systems, E88-D(12), pp. 2681–2690, 2005
  3. B. C. Giri and T. Dohi Computational aspects of an extended EMQ model with variable production rate Computers and Operations Research, 32(12), pp. 3143–3161, 2005
  4. K. Rinsaka and T. Dohi Determining the optimal software warranty period under various operational circumstances International Journal of Quality and Reliability Management, 22(7), pp. 715–730, 2005
  5. B. C. Giri and T. Dohi Exact formulation of stochastic EMQ model for an unreliable production system Journal of the Operational Research Society, 56(5), pp. 563–575, 2005
  6. M. Kimura, T. Dohi and W. Y. Yun International Journal of Reliability, Quality and Safety Engineering: Preface International Journal of Reliability Quality and Safety Engineering, 12(3), pp. v–vi, 2005
  7. 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, 162(2), pp. 372–386, 2005
  8. 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, 12(1), pp. 63–82, 2005
  9. H. Okamura, S. Miyahara and T. Dohi Rejuvenating communication network system under burst arrival circumstances IEICE Transactions on Communications, E88-B(12), pp. 4498–4505, 2005

2004

  1. T. Dohi, K. Iwamoto, N. Kaio and S. Osaki A generalized discrete-time order replacement model IMA Journal of Management Mathematics, 15(2), pp. 125–138, 2004
  2. H. Okamura, S. Kuroki, T. Dohi and S. Osaki A reliability growth model for modular software Electronics and Communications in Japan Part II Electronics English Translation of Denshi Tsushin Gakkai Ronbunshi, 87(5), pp. 43–53, 2004
  3. T. Danjou, T. Dohi, N. Kaio and S. Osaki Analysis of periodic software rejuvenation policy based on net present value approach International Journal of Reliability Quality and Safety Engineering, 11(4), pp. 313–327, 2004
  4. T. Dohi, H. Suzuki and K. S. Trivedi Comparing software rejuvenation policies under different dependability measures IEICE Transactions on Information and Systems, E87-D(8), pp. 2078–2085, 2004
  5. H. Okamura, A. Murayama and T. Dohi EM algorithm for discrete software reliability models: A unified parameter estimation method Proceedings of IEEE International Symposium on High Assurance Systems Engineering, 8, pp. 219–228, 2004
  6. T. Dohi, K. Iwamoto, H. Okamura and N. Kaio Estimation of discrete-time software rejuvenation schedule based on the cost-effectiveness Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 87(6), pp. 23–31, 2004
  7. 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, 92(2), pp. 157–167, 2004
  8. M. Ito, H. Okamura and T. Dohi Software Safety Assessment Based on a Subordinated Markov Chain Model Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 87(5), pp. 24–32, 2004

2003

  1. T. Dohi, N. Kaio and S. Osaki A New Graphical Method to Estimate the Optimal Repair-Time Limit with Incomplete Repair and Discounting Computers and Mathematics with Applications, 46(7), pp. 999–1007, 2003
  2. H. Okamura, T. Dohi and S. Osaki A Structural Approximation Method to Generate the Optimal Auto-Sleep Schedule for Computer Systems Computers and Mathematics with Applications, 46(7), pp. 1103–1110, 2003
  3. H. Okamura, Y. Watanabe, T. Dohi and S. Osaki An estimation of software reliability models based on EM algorithm Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 86(6), pp. 29–37, 2003
  4. 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, E86-A(8), pp. 2081–2090, 2003
  5. T. Dohi, N. Kaio and S. Osaki Determination of cost-effective preventive maintenance schedule for a telecommunication software system Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 86(7), pp. 41–50, 2003
  6. 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, 9(1), pp. 48–65, 2003
  7. T. Dohi, K. Iwamoto, H. Okamura and N. Kaio Discrete Availability Models to Rejuvenate a Telecommunication Billing Application IEICE Transactions on Communications, E86-B(10), pp. 2931–2939, 2003
  8. J. W. Kim, W. Y. Yun and T. Dohi Estimating the mixture of proportional hazards model with incomplete failure data Journal of Quality in Maintenance Engineering, 9(3), pp. 265–278, 2003
  9. H. Fujio, H. Okamura and T. Dohi Fine-Grained Shock Models to Rejuvenate Software Systems IEICE Transactions on Information and Systems, E86-D(10), pp. 2165–2171, 2003
  10. H. Okamura, T. Dohi and S. Osaki Phase Type Approximation for Optimal Auto-Sleep Scheduling Mathematical and Computer Modelling, 38(11-13), pp. 1391–1398, 2003
  11. T. Dohi, K. Yasui and S. Osaki Software Reliability Assessment Models Based on Cumulative Bernoulli Trial Processes Mathematical and Computer Modelling, 38(11-13), pp. 1177–1184, 2003
  12. 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, 38(11-13), pp. 1169–1176, 2003

2002

  1. T. Dohi, T. Matsuoka and S. Osaki An infinite server queuing model for assessment of the software reliability Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 85(3), pp. 43–51, 2002
  2. H. Suzuki, T. Dohi and H. Okamura Cost-effective analysis of software systems with periodic rejuvenation IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E85-A(12), pp. 2923–2932, 2002
  3. H. Okamura, S. Miyahara and T. Dohi Refined non-homogeneous Markovian models for a single-server type of software system with rejuvenation RAIRO Operations Research, 36(2), pp. 129–148, 2002

2001

  1. H. Okamura, T. Dohi and S. Osaki A reliability assessment method for software products in operational phase-proposal of an accelerated life testing model Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 84(8), pp. 25–33, 2001
  2. 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, 44(3), pp. 207–219, 2001
  3. T. Dohi, K. Goeva-Popstojanova and K. Trivedi Estimating software rejuvenation schedules in high-assurance systems Computer Journal, 44(6), pp. 473–485, 2001
  4. T. Dohi, N. Kaio and S. Osaki Optimal 1/N backup policies for a secondary memory medium under alternative cost criteria Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 84(2), pp. 56–64, 2001
  5. 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, 74(1-3), pp. 147–155, 2001
  6. T. Dohi, N. Kaio and S. Osaki Optimal periodic maintenance strategy under an intermittently used environment IIE Transactions Institute of Industrial Engineers, 33(12), pp. 1037–1046, 2001
  7. T. Dohi, A. Ashioka, S. Osaki and N. Kaio Optimizing the repair-time limit replacement schedule with discounting and imperfect repair Journal of Quality in Maintenance Engineering, 7(1), pp. 71–84, 2001
  8. H. Okamura, S. Miyahara, T. Dohi and S. Osaki Performance evaluation of workload-based software rejuvenation scheme IEICE Transactions on Information and Systems, E84-D(10), pp. 1368–1375, 2001
  9. 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 RAIRO Operations Research, 35(1), pp. 21–36, 2001

2000

  1. T. Dohi, N. Kaio and S. Osaki A graphical method to repair-cost limit replacement policies with imperfect repair Mathematical and Computer Modelling, 31(10-12), pp. 99–106, 2000
  2. T. Dohi, Y. Nishio, Y. Shinohara and S. Osaki Geometrical Solution Methods for an Optimal Software Release Problem Using Artificial Neural Networks Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 83(8), pp. 10–18, 2000
  3. 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, 7(1), pp. 43–60, 2000
  4. T. Dohi, S. Osajima, N. Kaio and S. Osaki On the effects of checkpoint institution methods for a macroscopic database model Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 83(9), pp. 23–33, 2000
  5. T. Dohi, Y. Teraoka and S. Osaki Software release games Journal of Optimization Theory and Applications, 105(2), pp. 325–346, 2000
  6. T. Dohi The effective smoothing technique to estimate the optimal software release schedule based on artificial neural network IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E83-A(5), pp. 796–802, 2000
  7. 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, 249(1), pp. 80–94, 2000
  8. H. Okamura, T. Dohi and S. Osaki Optimal policies for a controlled queueing system with removable server under a random vacation circumstance Computers & Mathematics With Applications, 2000

1999

  1. T. Dohi, H. Okamura and S. Osaki Optimal order-limit policies for an (r, Q) inventory system IMA Journal of Management Mathematics, 10(2), pp. 127–145, 1999
  2. H. Okamura, T. Dohi and S. Osaki Optimal policies for a controlled queueing system with removable server under a random vacation circumstance Computers and Mathematics with Applications, 39(1-2), pp. 215–227, 1999
  3. T. Dohi, Y. Nishio and S. Osaki Optimal software release scheduling based on artificial neural networks Annals of Software Engineering, 8(1-4), pp. 167–185, 1999
  4. Y. Shinohara, T. Dohi and S. Osaki Predictive Evaluation for Software Testing Progress via GMDH Networks Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 82(5), pp. 22–28, 1999

1998

  1. 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, 4(4), pp. 236–247, 1998
  2. T. Dohi, N. Kaio and S. Osaki Minimal repair policies for an economic manufacturing process Journal of Quality in Maintenance Engineering, 4(4), pp. 248–262, 1998
  3. T. Dohi, T. Aoki, N. Kaio and S. Osaki Nonparametric preventive maintenance optimization models under earning rate criteria IIE Transactions Institute of Industrial Engineers, 30(12), pp. 1099–1108, 1998
  4. T. Dohi, N. Kaio and S. Osaki On the optimal ordering policies in maintenance theory - Survey and applications Applied Stochastic Models and Data Analysis, 14(4), pp. 309–321, 1998
  5. T. Shibuya, T. Dohi and S. Osaki Optimal continuous review policies for spare part provisioning with random lead times International Journal of Production Economics, 55(3), pp. 257–271, 1998
  6. Y. Shinohara, Y. Nishio, T. Dohi and S. Osaki Optimal software release problem under cost rate criterion: artificial neural network approach Journal of Quality in Maintenance Engineering, 1998

1997

  1. Y. Shinohara, T. Dohi and S. Osaki Comparisons of optimal release policies for software systems Computers and Industrial Engineering, 33(3-4), pp. 813–816, 1997
  2. T. Dohi and T. Aokl Computational aspects of optimal checkpoint strategy in fault-tolerant database management IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, E80-A(10), pp. 2006–2014, 1997
  3. 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, 4(3), pp. 309–333, 1997
  4. 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, 103(1), pp. 255–272, 1997
  5. T. Dohi, N. Kaio and S. Osaki Nonparametric approach to power-saving strategies for a portable personal computer Electronics and Communications in Japan Part III Fundamental Electronic Science English Translation of Denshi Tsushin Gakkai Ronbunshi, 80(1), pp. 80–90, 1997
  6. T. Dohi, N. Matsushima, N. Kaio and S. Osaki Nonparametric repair-limit replacement policies with imperfect repair European Journal of Operational Research, 96(2), pp. 260–273, 1997
  7. D. Tadashi, K. Naoto and O. Shunji Optimal software release policies with debugging time lag International Journal of Reliability Quality and Safety Engineering, 4(3), pp. 241–255, 1997
  8. T. Dohi, Y. Yamada, N. Kaio and S. Osaki The optimal lot sizing for unreliable economic manufacturing model International Journal of Reliability Quality and Safety Engineering, 4(4), pp. 413–426, 1997

1996

  1. 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, E79-A(1), pp. 118–124, 1996
  2. 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, 39(2), pp. 244–246, 1996
  3. T. Dohi, N. Kaio and S. Osaki Optimal ordering policies with time-dependent delay structure Journal of Quality in Maintenance Engineering, 2(1), pp. 50–62, 1996
  4. T. Dohi, S. Osaki and N. Kaio Optimal planned maintenance with salvage cost for a two-unit standby redundant system Microelectronics Reliability, 36(10), pp. 1581–1588, 1996

1995

  1. T. Dohi, H. Tanaka, N. Kaio and S. Osaki Alternative growth versus security in continuous dynamic trading European Journal of Operational Research, 84(2), pp. 265–278, 1995
  2. T. Dohi, N. Kaio and S. Osaki Optimal control of a finite dam with a sample path constraint Mathematical and Computer Modelling, 22(10-12), pp. 45–51, 1995
  3. T. Dohi and S. Osaki Optimal inventory policies under product obsolescent circumstance Computers and Mathematics with Applications, 29(3), pp. 23–30, 1995
  4. T. Dohi, N. Kaio and S. Osaki Optimal production planning under diffusion demand pattern Mathematical and Computer Modelling, 21(11), pp. 35–46, 1995
  5. T. Dohi, N. Kaio and S. Osaki Optimizing monitoring time in a continuous-review cyclic inventory system IMA Journal of Management Mathematics, 6(2), pp. 223–237, 1995

1994

  1. T. Dohi, E. Kitaoka and S. Osaki Alternative optimality criteria of portfolio selection based upon threshold stopping rule Applied Stochastic Models and Data Analysis, 10(4), pp. 257–268, 1994
  2. N. Kaio, T. Dohi and S. Osaki Inspection policy with failure due to inspection Microelectronics Reliability, 34(4), pp. 599–602, 1994
  3. T. Dohi, N. Kaito and S. Osaki Optimal order limit policy under cost effectiveness criterion Computers and Industrial Engineering, 27(1-4), pp. 197–200, 1994

1993

  1. T. Dohi, T. Shibuya and S. Osaki A comparitive study of stochastic EOQ models with discounting IMA Journal of Management Mathematics, 5(1), pp. 171–179, 1993
  2. T. Dohi and S. Osaki A note on portfolio optimization with path-dependent utility Annals of Operations Research, 45(1), pp. 77–90, 1993
  3. T. Dohi, N. Kaio and S. Osaki Continuous time inventory control for wiener process demand Computers and Mathematics with Applications, 26(9), pp. 11–22, 1993

1992

  1. H. Tanaka, T. Dohi, H. Fujiwara, S. Osaki and N. Kaio Construction of a decision-support system for a combination of options Computers and Mathematics with Applications, 24(1-2), pp. 135–140, 1992
  2. N. Kaio, T. Dohi and S. Osaki Optimal maintenance policies with lead times and repair International Journal of Systems Science, 23(8), pp. 1299–1308, 1992
  3. T. Dohi and S. Osaki Optimal trading of stock options under alternative strategy Computers and Mathematics with Applications, 24(1-2), pp. 127–134, 1992