JUNJUN ZHENG

Last Updated :2026/07/06

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
E-mail
jzhenghiroshima-u.ac.jp
Self-introduction
Reliability Engineering, Dependable Computing

Basic Information

Major Professional Backgrounds

  • 2024/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Associate Professor
  • 2025/11, 2026/03, Tokyo Metropolitan University, Part-time Lecturer
  • 2024/11, 2025/03, Tokyo Metropolitan University, Part-time Lecturer
  • 2023/11, 2024/02, Tokyo Metropolitan University, Part-time Lecturer
  • 2023/06, 2023/09, Tokyo Metropolitan University, Part-time Lecturer
  • 2023/01, 2023/03, Tokyo Metropolitan University, Part-time lecturer
  • 2022/09, 2023/03, Ritsumeikan University, Part-time Lecturer
  • 2022/08, 2024/03, Osaka University, Graduate School of Information Science and Technology, Assistant Professor
  • 2018/04, 2022/07, Ritsumeikan University, College of Information Science and Engineering, Assistant Professor
  • 2016/04, 2018/03, Hiroshima University, Graduate School of Engineering, Visiting Researcher

Educational Backgrounds

  • Hiroshima University, Graduate School of Engineering, Department of Information Engineering, Japan, 2013/04, 2016/03
  • Hiroshima University, Graduate School of Engineering, Department of Information Engineering, Japan, 2011/04, 2013/03
  • Fujian Normal University, Faculty of Software, Software Engineering, China, 2006/09, 2010/07

Academic Degrees

  • Doctor (Engineering), Hiroshima University
  • Master (Engineering), Hiroshima University

Research Fields

  • Informatics;Principles of Informatics;Mathematical informatics

Research Keywords

  • Software reliability
  • Dependable computing
  • Numerical analysis
  • Operations research
  • Computer security

Affiliated Academic Societies

  • Reliability Engineering Association of Japan (REAJ)
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  • The Institute of Electronics, Information and Communication Engineers (IEICE)
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  • The Institute of Electrical and Electronics Engineers (IEEE)
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  • The Operations Research Society of Japan (ORSJ)
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Educational Activity

Course in Charge

  1. 2026, Liberal Arts Education Program1, 4Term, Basic Linear Algebra
  2. 2026, Liberal Arts Education Program1, 1Term, Introductory Seminar for First-Year Students
  3. 2026, Undergraduate Education, 1Term, Frontier of Informatics and Data Science
  4. 2026, Undergraduate Education, Intensive, Research Project
  5. 2026, Undergraduate Education, 2Term, Informatics and Data Science Exercise II
  6. 2026, Undergraduate Education, 3Term, Informatics and Data Science Exercise III
  7. 2026, Undergraduate Education, 2Term, Decision-Making
  8. 2026, Undergraduate Education, 4Term, Quality Management
  9. 2026, Undergraduate Education, 1Term, Computer Science Seminar I
  10. 2026, Undergraduate Education, 2Term, Computer Science Seminar II
  11. 2026, Undergraduate Education, Second Semester, Graduation Thesis
  12. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Informatics and Data Science A
  13. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Informatics and Data Science A
  14. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Informatics and Data Science B
  15. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Informatics and Data Science B
  16. 2026, Graduate Education (Master's Program) , Year, Special Study on Informatics and Data Science
  17. 2026, Graduate Education (Doctoral Program) , Year, Special Study on Informatics and Data Science
  18. 2026, Graduate Education (Doctoral Program) , Year, Special Study on Informatics and Data Science

Research Activities

Academic Papers

  1. On adaptive testing policy learning for localizing aging-related bugs, The 12th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2026), 202607
  2. A semi-parametric self-exciting software reliability model with time-varying base intensity and shallow neural kernel, The 12th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2026), 202607
  3. Fine-grained kernel-based approaches in software reliability estimation, The 12th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2026), 202607
  4. Simulation-based analysis of accident-related behavior in automated driving systems, The 12th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2026), 202607
  5. Maximum product of spacings estimation for NHPP-based software reliability models, The 12th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2026), 202607
  6. NCI-based Conditional Handover for High-Mobility 5G Scenarios Under Dual Connectivity, IEEE INFOCOM 2026 - IEEE Conference on Computer Communications, 20260629
    Link to Paper Search Results by DOI
  7. A note on reliability analysis of multi-stage manufacturing systems with controlled capacity release, The 2nd International Online Conference on Mathematics and Applications (IOCMA 2026), 20260604
  8. Application of phase-type distributions to actuarial lifetime data under left-truncated and right-censored observations, The 2nd International Online Conference on Mathematics and Applications (IOCMA 2026), 20260604
  9. A Note on kernel regression with several bandwidth selection methods in software reliability prediction, The 2nd International Online Conference on Mathematics and Applications (IOCMA 2026), 20260604
  10. An empirical research for likelihood-free parameter estimation approach for NHPP-based software reliability models, The 2nd International Online Conference on Mathematics and Applications (IOCMA 2026), 20260604
  11. Toward scalable LLM-based multi-agent collaboration: A dynamic task graph approach with asynchronous parallel execution, Electronics, 15(11), 2475, 20260604
    Link to Paper Search Results by DOI
  12. A Fine-grained parametric bootstrap approach for NHPP-based software reliability modeling, Journal of Systems and Software, 236, 112789, 202606
    Link to Paper Search Results by DOI
  13. 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, 1-15, 20260528
    Link to Paper Search Results by DOI
  14. Fine-tuned random forest-based software defect prediction via metaheuristics, The Twelfth International Conference on Advances and Trends in Software Engineering (SOFTENG 2026), 15-20, 202605
  15. A probabilistic least squares estimation for NHPP-based software reliability mdoels with time-domain data, WSSE 2025 - 2025 The 7th World Symposium on Software Engineering, 28-33, 20260410
  16. A note on software reliability modeling based on Hawkes processes with Gamma type based intensity, WSSE 2025 - 2025 The 7th World Symposium on Software Engineering, 16-21, 20260410
  17. An EM algorithm for estimating phase-type distributions with left-truncated and right-censored data, Journal of Applied Probability, 1-20, 20260324
    Link to Paper Search Results by DOI
  18. Can generative AI enhance the effectiveness of N-version programming?, Lecture Notes in Computer Science, 16356 LNCS, 1-16, 20260218
    Link to Paper Search Results by DOI
  19. A thinning-based parametric bootstrap approach for software reliability assessment, Proceedings - 2025 IEEE Conference on Dependable, Autonomic and Secure Computing, DASC 2025, 82-89, 202510
    Link to Paper Search Results by DOI
  20. Enhancing nonparametric software reliability prediction via multi-kernel local linear regression, Proceedings - 2025 IEEE Conference on Dependable, Autonomic and Secure Computing, DASC 2025, 90-97, 202510
    Link to Paper Search Results by DOI
  21. Self-exciting software reliability models with Pareto base intensity function and their applications, 2025 25th International Conference on Software Quality, Reliability and Security (QRS), 416-427, 20250929
  22. Uncertainty propagation in smart power grids, Duke International Workshop on Dependability and Performance Evaluation, 20250812
  23. Modeling software reliability with source code embeddings, Duke International Workshop on Dependability and Performance Evaluation, 20250812
  24. Directional handover analysis with stochastic Petri net and Poisson point process in heterogeneous networks, Mathematics, 13(3), 202502
    Link to Paper Search Results by DOI
  25. An alternative boosting-based software reliability prediction method, Proceedings of the 29th Pacific Rim International Symposium on Dependable Computing (PRDC 2024), 202411
  26. Evaluating the A3RSRP handover to determine optimal performance in HetNet using stochastic Petri net, Proceedings of the 6th International Conference on System Reliability and Safety Engineering (SRSE 2024), 469-474, 202410
  27. Model-based performance evaluation of dispatcher-based server clusters, Proceedings of the 6th International Conference on System Reliability and Safety Engineering (SRSE 2024), 229-235, 202410
  28. Comparison of kernel-based nonparametric and parametric regression approaches for software reliability prediction, Proceedings of the 6th World Symposium on Software Engineering (WSSE 2024), 32-37, 20240914
  29. Estimating metrics-based software reliability models with elastic net, Proceedings of the 11th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2024), 20240830
  30. A note on minimal repair with Markovian opportunity process, Proceedings of the 11th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2024), 20240827
  31. Markovian opportunity arrival process-based age replacement [in Japanese], 69(3), 158-165, 202403
  32. ★, On the sensitivity of stationary solutions of Markov regenerative processes, Performance Evaluation, 164, 102397-102397, 202401
  33. Hierarchical dependability modeling with multi-state systems, 2023 IEEE 28th Pacific Rim International Symposium on Dependable Computing (PRDC 2023), 268-277, 20231024
  34. Senti-EGCN: An Aspect-Based Sentiment Analysis System Using Edge-Enhanced Graph Convolutional Networks, 2023 10th International Conference on Dependable Systems and Their Applications (DSA 2023), 722-729, 20230810
  35. Performance evaluation of a cloud datacenter using CPU utilization data, Mathematics, 11(3), 513-513, 20230118
  36. Deep learning and its applications to software reliability and cyber security [in Japanese], 68(5), 250-258, 202305
  37. Optimal block replacement policies under replacement first and last disciplines, Proceedings of the 1st International Online Conference on Mathematics and Applications, 1-6, 202304
  38. Meta-heuristic algorithm for constructing higher-index covering arrays for combinatorial interaction testing, The 12th International Workshop on Combinatorial Testing (IWCT 2023), 190-196, 202304
  39. An efficient transformer encoder-based classification of malware using API calls, Proceedings of the 24th IEEE International Conference on High Performance Computing & Communications (HPCC 2022), 839-846, 202212
  40. A note on epistemic uncertainty propagation in generalized stochastic Petri nets, Proceedings of the 10th Asia-Pacific International Symposium on Advanced Reliability and Maintenance (APARM 2022), 202210
  41. On the interval reliability of intrusion tolerant systems using semi-Markov models, Proceedings of the 10th Asia-Pacific International Symposium on Advanced Reliability and Maintenance (APARM 2022), 202210
  42. Code aggregate graph: Effective representation for graph neural networks to detect vulnerable code, IEEE Access, 10, 123786-123800, 202210
  43. ★, Sensitivity analysis for a Markov regenerative software rejuvenation model, Stochastic Models, 1-28, 202209
  44. A note on epistemic uncertainty propagation for software reliability metrics, Proceedings of the 27th ISSAT International Conference on Reliability & Quality in Design (ISSAT RQD 2022), 202208
  45. Uncertainty analysis of virtualized systems with live migration, Proceedings of the 12th International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (QR2MSE 2022), 1321-1325, 202207
  46. Software reliability prediction through encoder-decoder recurrent neural networks, International Journal of Mathematical, Engineering and Management Sciences, 7(3), 325-340, 202205
  47. Variance-based sensitivity analysis for Markov models using moment approximation, International Journal of Performability Engineering, 18(5), 329-337, 202205
  48. Hierarchical Bayesian parameter estimation of queueing systems using utilization data, International Journal of Performability Engineering, 18(5), 307-316, 202205
  49. Firewall traversal method by pseudo-TCP encapsulation, IEICE Transactions on Information and Systems, 105(1), 105-115, 202201
  50. Parameter estimation of Markovian arrivals with utilization data, IEICE Transactions on Communications, E105-B(1), 1-10, 202201
  51. Long-term evidence preservation by propagating file information from starting point of thread injection in Windows, 62(12), 1893-1903, 202112
  52. ★, Age replacement with Markovian opportunity process, Reliability Engineering and System Safety, 216, 107949, 202112
  53. Performance comparison of training datasets for system call-based malware detection with thread information, IEICE Transactions on Information and Systems, E104-D(12), 2173-2183, 202112
  54. Sensitivity analysis of software rejuvenation model with Markov regenerative process, Proceedings of the 2021 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW 2021), 9-16, 202110
  55. A note on phase-type expansion for Markov regenerative process, Proceedings of the Reliability and Maintenance Engineering Summit (RMES 2021), 178-185, 202109
  56. Software reliability prediction through encoder-decoder recurrent neural networks, Proceedings of the Reliability and Maintenance Engineering Summit (RMES 2021), 138-145, 202109
  57. Evaluating the sensitivity of optimal age replacement policies, Proceedings of the Reliability and Maintenance Engineering Summit (RMES 2021), 106-113, 202109
  58. Performance evaluation of heterogeneous cellular networks using stochastic Petri nets, Proceedings of the 29th International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2021), 1-6, 202109
  59. Uncertainty propagation in importance analysis of fault trees, Proceedings of the 26th ISSAT International Conference on Reliability and Quality in Design (ISSAT RQD 2021), 5 pages, 202108
  60. ★, Quantitative security evaluation of intrusion tolerant systems with Markovian arrivals, IEEE Transactions on Reliability, 70(2), 547-562, 202106
  61. API call-based malware classification using recurrent neural networks, Journal of Cyber Security and Mobility, 10(3), 617-640, 202105
  62. Availability analysis of software systems with rejuvenation and checkpointing, Mathematics, 9(8), 846-846, 202104
  63. An efficient algorithm for computation of information matrix in phase-type fitting, International Journal for Computational Methods in Engineering Science and Mechanics, 22(3), 193-199, 202104
  64. 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), 3-14, 202102
  65. ★, Availability importance measures of components in smart electric power grid systems, Reliability Engineering and System Safety, 205, 107164, 202101
  66. API call-based malware classification using recurrent neural networks, Proceedings of the 4th International Conference on Mathematical Techniques in Engineering Applications (ICMTEA 2020), 10 pages, 202012
  67. How robust is the optimal software rejuvenation timing?, Proceedings of the 2020 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW 2020), 336-341, 202010
  68. Optimal rejuvenation policies for non-Markovian availability models with aperiodic checkpointing, IEICE Transactions on Information and Systems, E103-D(10), 2133-2142, 202010
  69. A note on uncertainty propagation for availability model of mobile cloud computing systems, Proceedings of the 2020 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2020), 1-8, 202008
  70. Formulation of opportunity-based age replacement models with Markovian arrival process, Proceedings of the 2020 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling (APARM 2020), 1-5, 202008
  71. Data-driven software reliability evaluation under incomplete knowledge on fault count distribution, Quality Engineering, 32(3), 421-433, 202007
  72. A transient interval reliability analysis for software rejuvenation models with phase expansion, Software Quality Journal, 28(1), 173-194, 202003
  73. A phase expansion for non-Markovian availability models with time-based aperiodic rejuvenation and checkpointing, Communications in Statistics - Theory and Methods, 49(15), 3712-3729, 202001
  74. Moment-based approximation for uncertainty propagation in fault trees, Proceedings of the 24th Pacific Rim International Symposium on Dependable Computing (PRDC 2019), 120-121, 201912
  75. Dynamic analysis system for detection of device identifier transmission in Android, 60(12), 2259-2268, 201912
  76. A framework for localizing aging-related bugs in a random and dynamic way, Proceedings of the 2019 IEEE Intl Conf on Dependable, Autonomic and Secure Computing, Intl Conf on Pervasive Intelligence and Computing, Intl Conf on Cloud and Big Data Computing, Intl Conf on Cyber Science and Technology Congress (DASC/PiCom/CBDCom/CyberSciTech 2019, 693-698, 201908
  77. A note on survivability model for security of an intrusion-tolerant system with non-identical virtual machines, Proceedings of the 11th International Conference on Mathematical Methods in Reliability (MMR 2019), 6 pages, 201906
  78. Implementation of virtual machine monitor-based stack trace mechanism on Windows 10 x64, Proceedings of the International MultiConference of Engineers and Computer Scientists 2019 (IMECS 2019), 100-105, 201903
  79. Firewall Traversal Method by Inserting Pseudo TCP Header into QUIC, Proceedings of the International MultiConference of Engineers and Computer Scientists 2019 (IMECS 2019), 216-221, 201903
  80. Security evaluation of a VM-based intrusion-tolerant system with pull-type patch management, Proceedings of the 19th IEEE International Symposium on High Assurance Systems Engineering (HASE 2019), 156-163, 201901
  81. ★, Optimal periodic software rejuvenation policies based on interval reliability criteria, Reliability Engineering and System Safety, 180, 463-475, 201812
  82. A note on availability importance measures of components in smart grid, Proceedings of 2018 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling & 2018 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (APARM 2018 & QR2MSE 2018), I, 75-79, 201808
  83. Optimal security patch application timing for an intrusion tolerant system, Proceedings of 2018 Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling & 2018 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering (APARM 2018 & QR2MSE 2018), II, 855-859, 201808
  84. A pull-type security patch management of an intrusion tolerant system under a periodic vulnerability checking strategy, Proceedings of the 42nd IEEE Annual International Computer Software and Applications Conference (COMPSAC 2018), 630-635, 201807
  85. Component importance analysis of mobile cloud computing system in the presence of common-cause failures, IEEE Access, 6(1), 18630-18642, 201804
  86. Reliability importance of components in a real-time computing system with standby redundancy schemes, International Journal of Mathematical, Engineering and Management Sciences, 3(2), 64-89, 201801
  87. ★, A comprehensive evaluation of software rejuvenation policies for transaction systems with Markovian Arrivals, IEEE Transactions on Reliability, 66(4), 1157-1177, 201709
  88. A statistical framework on software aging modeling with continuous-time hidden Markov model, Proceedings of the 36th International Symposium on Reliable Distributed Systems (SRDS 2017), 114-123, 201709
  89. Performance evaluation of VM-based intrusion tolerant systems with Poisson arrivals, Proceedings of the 4th International Symposium on Computing and Networking (CANDAR 2016), 181-187, 201611
  90. 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), 613-620, 201608
  91. Mean time to security failure of VM-based intrusion tolerant systems, Proceedings of the 36th IEEE International Conference on Distributed Computing Systems Workshops (ICDCSW 2016), 128-133, 201606
  92. 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), 301-310, 201511
  93. Survivability analysis of VM-based intrusion tolerant systems, IEICE Transactions on Information and Systems, E98-D(12), 2082-2090, 201509
  94. Availability importance measures for virtualized system with live migration, Applied Mathematics, 6(2), 359-372, 201502
  95. 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), 229-232, 201307
  96. Component importance analysis of virtualized system, Proceedings of the 9th International Conference on Autonomic and Trusted Computing (ATC 2012), 462-469, 201209

Publications such as books

  1. 2026, Springer Handbook of Reliability (Chapter: Age replacement models in continuous-time preventive maintenance with Markovian opportunities), 2026, Scholarly Book, Contributor, English, Junjun Zheng; Hiroyuki Okamura; Tadashi Dohi
  2. 2026, Springer Handbook of Reliability (Chapter: Software aging and rejuvenation: modeling, analysis, and applications), Springer Nature, 2026, Scholarly Book, Contributor, English, Junjun Zheng; Hiroyuki Okamura; Tadashi Dohi
  3. 2025/03/31, Operational Perspective of Modeling System Reliability (Chapter 2: Opportunity-based age replacement models in discrete time and their application), Operational Perspective of Modeling System Reliability (Chapter 2: Opportunity-based age replacement models in discrete time and their application), De Gruyter, 2025, March, Scholarly Book, Contributor, English, Jing Wu; Junjun Zheng; Tadashi Dohi; Cunhua Qian, 9783111475400, 25-46
  4. 2025/01/17, Reliability Analysis and Maintenance Optimization of Complex Systems, Reliability Analysis and Maintenance Optimization of Complex Systems, Springer Cham, Scholarly Book, Joint editor, English, Qian Qian Zhao; Il Han Chung; Junjun Zheng; Jongwoon Kim, 978-3-031-70287-7, 375
  5. 2025/01/17, Reliability Analysis and Maintenance Optimization of Complex Systems (Chapter 8: A fault-tree analysis package in Julia), Reliability Analysis and Maintenance Optimization of Complex Systems (Chapter 8: A fault-tree analysis package in Julia), Springer, Cham, Scholarly Book, Contributor, English, Hiroyuki Okamura; Junjun Zheng; Tadashi Dohi, 978-3-031-70287-7
  6. 2024/08/16, Developments in Reliability Engineering (Chapter 14: Availability analysis of non-Markovian models with rejuvenation and checkpointing), Developments in Reliability Engineering (Chapter 14: Availability analysis of non-Markovian models with rejuvenation and checkpointing), Elsevier, Scholarly Book, Contributor, English, Junjun Zheng; Hiroyuki Okamura; Tadashi Dohi, 978-0-443-13242-1
  7. 2023/06/29, Advances in Reliability and Maintainability Methods and Engineering Applications (Chapter 5: Sensitivity estimation of Markov reward models and its applications to component importance analysis), Advances in Reliability and Maintainability Methods and Engineering Applications (Chapter 5: Sensitivity estimation of Markov reward models and its applications to component importance analysis), Springer Nature, Scholarly Book, Contributor, English, Junjun Zheng; Hiroyuki Okamura; Tadashi Dohi, 9783031288586
  8. 2023/04/27, Reliability and Maintenance Modeling with Optimization: Advances and Applications (Chapter 13: Phase-type expansion of Markov regenerative processes and its application to reliability problems), Reliability and Maintenance Modeling with Optimization: Advances and Applications (Chapter 13: Phase-type expansion of Markov regenerative processes and its application to reliability problems), CRC Press, Scholarly Book, Contributor, English, Hiroyuki Okamura; Junjun Zheng; Tadashi Dohi, 9780367558055
  9. 2023/04/05, Maintenance Management – Current Challenges, New Developments, and Future Directions (Chapter 5: Pull-type security patch management in intrusion tolerant systems: modeling and analysis), Maintenance Management – Current Challenges, New Developments, and Future Directions (Chapter 5: Pull-type security patch management in intrusion tolerant systems: modeling and analysis), IntechOpen, Scholarly Book, Contributor, English, Junjun Zheng; Hiroyuki Okamura; Tadashi Dohi, 9781803564807
  10. 2022/07/26, System Dependability and Analytics (Chapter: Effect of epistemic uncertainty in Markovian reliability models), System Dependability and Analytics (Chapter: Effect of epistemic uncertainty in Markovian reliability models), Springer Cham, Scholarly Book, Contributor, English, Hiroyuki Okamura; Junjun Zheng; Tadashi Dohi; Kishor S. Trivedi, 9783031020629
  11. 2018/09/12, Mathematics Applied in Information Systems (Chapter 1: Software reliability modeling in continuous-state space), Mathematics Applied in Information Systems (Chapter 1: Software reliability modeling in continuous-state space), Bentham Science Publishers, Scholarly Book, Contributor, English, Tadashi Dohi; Lin Zhu Jin; Junjun Zheng; Hiroyuki Okamura, 9781681087146
  12. 2018/07/23, Modeling and Simulation Based Analysis in Reliability Engineering (Chapter 3: Optimal periodic software rejuvenation policies in discrete time - survey and applications -), Modeling and Simulation Based Analysis in Reliability Engineering (Chapter 3: Optimal periodic software rejuvenation policies in discrete time - survey and applications -), CRC Press, Scholarly Book, Contributor, English, Tadashi Dohi; Junjun Zheng; Hiroyuki Okamura, 9780203703717

Invited Lecture, Oral Presentation, Poster Presentation

  1. Security evaluation of intrusion tolerant systems with Markovian arrivals, Junjun Zheng, The 9th International Conference on Large-scale Industrial Software, Embedded Software, and Artificial Intelligence, Northwestern Polytechnical University, 2024/10/18, With Invitation, English, Northwestern Polytechnical University
  2. Model-based approaches for system dependability evaluation, Junjun Zheng, The 8th International Lecture Series of School of Software, Northwestern Polytechnical University, 2023/10/20, With Invitation, English, School of Software, Northwestern Polytechnical University
  3. Software rejuvenation for transaction systems with Markovian arrival process, University of Massachusetts Dartmouth joint seminar, 2021/07/30, With Invitation, English
  4. Opportunity-based age replacement models with Markovian arrival process, 2021/07/21, With Invitation, English
  5. Understanding malware’s actual behaviors from dynamic system call tracer’s log, The 14th International Workshop on Security (IWSEC’19) Poster Session, 2019/08/28
  6. On algorithms for high-order derivatives of Markov reward models, The 11th International Conference on Mathematical Methods in Reliability (MMR’19), 2019/06/05
  7. A note on phase expansion approach for availability analysis of database systems, The 3rd International Symposium on Stochastic Models in Reliability Engineering, Life Sciences and Operations Management (SMRLO’19), 2019/05/30
  8. Towards more secure systems: A modeling and analysis framework of intrusion-tolerant systems with periodic vulnerability checking strategy, 日本OR学会中国・四国支部2019年度支部定例シンポジウム, 2019/05/18
  9. A comprehensive evaluation of software rejuvenation policies for transaction systems with Markovian arrivals, 2017年度 IEEE Reliability Society Japan Joint Chapter Chapter Awards 受賞記念講演会, 2018/06/16

Awards

  1. 2023/09, Research Encourage Award, Operations Research Society of Japan
  2. 2021, CSEC Best Paper Award, Information Processing Society of Japan
  3. 2020, CSEC Best Paper Award, Information Processing Society of Japan
  4. 2019/09, FIT Encouragement Award, Information Processing Society of Japan
  5. 2019/09, FIT Encouragement Award, Information Processing Society of Japan
  6. 2019/03, Best Student Paper Award of The 2019 IAENG International Conference on Computer Science, International Association of Engineers
  7. 2019/03, Best Student Paper Award of The 2019 IAENG International Conference on Communication Systems and Applications, International Association of Engineers
  8. 2018/06, IEEE Reliability Society Japan Joint Chapter Best Paper Award, IEEE Reliability Society Japan Joint Chapter