Publications

Preprints

P1Carbon Revenue Distribution in International Shipping, Chai K.H., Ng S.H., Ang B.W., Tham A.G.Y. (2025)CMSDownload
P2A Model Aggregation Approach for High-dimensional Large-scale Optimization, Wang H., Zhang E., Ng S.H., Pedrielli G. (2024)arXivDownload
P3A Data-Driven Bayesian Nonparametric Approach for Black-Box Optimization, Wang H., Zhang X., Ng S.H., Wang S. (2024)arXivDownload

Journals

J1Adjusted Expected Improvement for Cumulative Regret Minimization in Noisy Bayesian Optimization, Hu S., Wang H., Dai Z., Low B.K.H., Ng S.H. (2025)Journal of Machine Learning ResearchDownload
J2Enhanced Global Optimization with Parallel Global and Local Structures for Real-Time Control Systems, Meng Q., Wang H. Wang S., Ng S.H. (2024)IEEE Transactions on Automation Science and Engineering, 21(3), 3298 – 3309Download
J3Robust Prediction of Residual Chlorine Decay in A Drinking Water Distribution System Integrating Water Quality Sensing and Predictive Tools, Jafari I., Luo R., Ng E., Corral F., Chua Y., Ng S.H., Hu J. (2024)ACS ES&T Water, 4(12), 5506 – 5521Download
J4The decarbonization pathway of power system by high-resolution model under different policy scenarios in China, Wang Z., Li J., Wang B., Ng S.H., Lu B., Wang C., Xu S., Zhou Z., Zhang B., Zheng Y. (2024)Applied Energy, 355, 122235Download
J5Impact analysis of environmental policies on shipping fleet planning under demand uncertainty, Chua Y.J., Soudagar I., Ng S.H., Meng Q. (2023)Transportation Research Part D, 120, 103744Download
J6Machine-learning-assisted prediction and optimized kinetic modelling of residual chlorine decay for enhanced water quality management, Jafari I., Luo R., Lim F.Y., Ng S.H., Hu J. (2023)Chemosphere, 341, 140011Download
J7Combined Global and Local Optimization with Gaussian Process Models, Meng Q., Wang S., Ng S.H. (2022)INFORMS Journal on Computing, 34(1), 622-637Download
J8A Multi-Level Simulation Optimization Approach for Quantile Functions, Wang S., Ng S.H., Haskell W.B. (2022)INFORMS Journal on Computing, 34(1), 569-585Download
J9Reducing the carbon intensity of international shipping – the impact of energy efficiency measures, Sou S.W., Goh T., Lee X.N., Ng S.H., Chai K.H. (2022)Energy Policy, 170, 113239Download
J10Driving Factors of Changes in International Maritime Energy Consumption: Microdata Evidence 2014 – 2017, Goh T., Zhong S., Ang B.W., Su B., Ng S.H., Chai K.H. (2021)Energy Policy, 154, 112288Download
J11Stochastic Optimization with Adaptive Restart: A Framework for Integrated Local and Global Learning, Mathesen L., Pedrielli G., Ng S.H., Zabinsky Z. (2021)Journal of Global Optimization, 79, 87-110Download
J12An Extended Two-Stage Sequential Optimization Approach: Properties and Performance, Pedrielli G., Wang S., Ng S.H. (2020)European Journal of Operational Research, 287(3), 929-945Download
J13Enhancing Response Predictions with a Joint Gaussian Process Model for Stochastic Simulation Models, Wang S., Ng S.H. (2020)ACM Transactions on Modeling and Computer Simulation, 30, no.1, Article 4Download
J14An Integrated Method for Simultaneous Calibration and Parameter Selection in Computer Models, Yuan J., Ng S.H. (2020)ACM Transactions on Modeling and Computer Simulation, 30, no.1, Article 7Download
J15Gaussian Process Based Optimization Algorithms with Input Uncertainty, Wang H., Yuan J., Ng S.H. (2020)IISE Transactions, 52(4), 377-393Download
J16Bayesian Optimal Designs for Efficient Estimation of the Optimum Point with Generalised Linear Models, Li G., Ng S.H., Tan M.H.Y. (2020)Quality Technology & Quantitative Management, 17(1), 89-107Download
J17Ship Emission Mitigation Strategies Choice Under Uncertainty, Yuan J., Wang H., Ng S.H., Nian V. (2020)Energies, 13(9), 2213-2223Download
J18A Real Time Simulation Optimization Framework for Vessel Collision Avoidance, Pedrielli G., Xing Y., Peh J., Koh K.W., Ng S.H. (2020)IEEE Transactions on Intelligent Transportation Systems, 21(3), 1204-1215Download
J19A Data-Driven Online Truncation Method for Transient Bias Reduction in Steady-State Simulations, Zhang N., Yuan J., Ng S.H. (2019)Computers and Industrial Engineering, 135, 723-745Download
J20Metamodel-Based Optimization of Stochastic Computer Models for Engineering Design Under Uncertain Objective Function, Li G., Tan M.H.Y., Ng S.H. (2019)IISE Transactions, 51(5), 517-530Download
J21A Multilevel Zero-Inflated Model for the Study of Copper Hillocks Growth in Integrated Circuits Manufacturing, Li G., Tan K.K.R., Ng S.H., Chua D.H.C. (2018)IEEE Transactions on Semiconductor Manufacturing, 31(3), 385-394Download
J22A framework for real-time monitoring of energy efficiency of marine vessels, Chi H., Pedrielli G., Ng S.H., Kister T., Bressan S. (2018)Energy, 145, 246-260Download
J23Emission reduction measures ranking under uncertainty, Yuan J., Ng S.H. (2017)Applied Energy, 188, 270-279Download
J24Uncertainty quantification of CO2 emission reduction for maritime shipping, Yuan J., Ng S.H., Sou W.S. (2016)Energy Policy, 88, 113-130Download
J25Shipping efficiency comparison between Northern Sea Route and the conventional Asia-Europe shipping route via Suez Canal, Zhang Y., Meng Q., Ng S.H. (2016)Journal of Transport Geography, 57, 241-249Download
J26Optimal bunkering contract in a buyer–seller supply chain under price and consumption uncertainty, Pedrielli G., Lee L.H., Ng S.H. (2015)Transportation Research Part E: Logistics and Transportation Review, 77, 77-94Download
J27Bunkering decisions for a shipping liner in an uncertain environment with service contract, Ghosh S., Lee L.H., Ng S.H. (2015)European Journal of Operational Research, 244, no. 3, 792-802Download
J28Calibration, Validation and Prediction in Random Simulation Models, Yuan J., Ng S.H. (2015)ACM Transactions on Modeling and Computer Simulation, 25, no.3, Article 18Download
J29A Study of N-version programming and its impact on software availability, Xie M., Xiong C., Ng S.H. (2014)International Journal of System Science, 45, no.10, 2145-2157Download
J30Simulation Optimization via Kriging: A Sequential Search using Expected Improvement with Computing Budget Constraints, Quan N., Yin J., Ng S.H., Lee L.H. (2013)IIE Transactions, 45, no.7, 763-780Download
J31A Sequential Approach for Stochastic Computer Model Calibration and Prediction, Yuan J., Ng S.H. (2013)Reliability Engineering and System Safety, 111, 273-286Download
J32Calibration of Stochastic Computer Models Using Stochastic Approximation Methods, Yuan J., Ng S.H., Tsui K.L. (2013)IEEE Transactions on Automation Science and Engineering, 10, no.1, 171-186Download
J33Bayesian Kriging Analysis and Design for Stochastic Simulations, Ng S.H., Yin J. (2012)ACM Transactions on Modeling and Computer Simulation, vol.22, no.3, Article 17Download
J34A Study on Bunker Fuel Management for Shipping Liner Services, Yao Z., Ng S.H., Lee L.H. (2012)Computers & Operations Research, 39, 1160-1172Download
J35Multi-Objective Optimization Approaches to Software Release Time Determination, Li X., Xie M., Ng S.H. (2012)Asia-Pacific Journal of Operational Research, 29, no. 3, 209-226Download
J36Element Maintenance and Allocation for Linear Consecutively Connected Systems, Peng R., Xie M., Ng S.H., Levitin G. (2012)IIE Transactions, 44, no.11, 964-973Download
J37False targets vs. protection in defending parallel systems against unintentional and intentional impacts, Levitin G., Peng R., Xie M., Ng S.H., Haim H.B. (2012)International Journal of Performability Engineering, 8(5), 465-478
J38Kriging Metamodel with Modified Nugget-Effect: The heteroscedastic variance case, Yin J., Ng S.H., Ng K.M. (2011)Computers & Industrial Engineering, 61, 760-777Download
J39Reliability Analysis and Optimal Version Updating for Open-Source Software, Li X., Li Y.F., Xie M., Ng S.H. (2011)Information and Software Technology, 53, no.9, 929-936Download
J40Risk-based Software Release Policy under Parameter Uncertainty, Xie M., Li X., Ng S.H. (2011)Journal of Risk and Reliability, 225, no.1, 42-49Download
J41Optimal Defence of Single Object with Imperfect False Targets, Peng R., Levitin G., Xie M., Ng S.H. (2011)Journal of the Operational Research Society, 62, no. 1, 134-141Download
J42Optimal Software Maintenance Policy considering Unavailable Time, Xiong C.J., Xie M., Ng S.H. (2011)Journal of Software Maintenance and Evolution, 23, no. 1, 21-33Download
J43Sensitivity Analysis of Release Time of Software Reliability Models Incorporating Testing Effort with Multiple Change-points, Li X., Xie M., Ng S.H. (2010)Applied Mathematical Modelling, 34, no.11, 3560-3570Download
J44Defending Simple Series and Parallel Systems with Imperfect False Targets, Peng R., Levitin G., Xie M., Ng S.H. (2010)Reliability Engineering and System Safety, 95, no.6, 679-688Download
J45Nonparametric CUSUM and EWMA control charts for detecting mean shifts, Li S.Y., Tang L.C., Ng S.H. (2010)Journal of Quality Technology, 42, no. 2, 209-226Download
J46A Bayesian Model Averaging Approach for Multiple Response Optimization, Ng S.H. (2010)Journal of Quality Technology, 42, no. 1, 52-68Download
J47A Systematic Comparison of Metamodeling Techniques for Simulation Optimization in Decision Support Systems, Li Y.F., Ng S.H., Xie M., Goh T.N. (2010)Applied Soft Computing, 10, 1257-1273Download
J48Estimation of the Mean and Variance Response Surfaces when the Means and Variances of the Noise Variables are Unknown, Tan M.H.Y., Ng S.H. (2009)IIE Transactions, 41, no. 11, 942-956Download
J49Reliability Analysis and Optimization of Weighted Voting Systems with Continuous States Input, Long Q., Xie M., Ng S.H., Levitin G. (2008)European Journal of Operational Research, 191, no. 1, 240-252Download
J50On the Trend of Remaining Software Defects Estimation, Bai C.G., Cai K.Y., Hu Q.P., Ng S.H. (2008)IEEE Transactions on Systems, Man, and Cybernetics Part A – Systems and Humans, 38, no. 5, 1129-1142Download
J51Uncertainty Analysis in Software Reliability Modeling by Bayesian Approach with Maximum-Entropy Principle, Dai Y.S., Xie M., Long Q., Ng S.H. (2007)IEEE Transactions on Software Engineering, 33, no. 11, 781-795Download
J52Optimization of Multiple Response Surfaces with Secondary Constraints for Improving a Radiography Inspection Process, Ng S.H., Xu K., Wong W.K. (2007)Quality Engineering, 19, no. 1, 53-65Download
J53A Study of Software Fault Detection and Correction Modeling, Xie M., Hu Q.P., Wu Y.P., Ng S.H. (2007)Quality and Reliability Engineering International, 23, no. 4, 459-470Download
J54Modeling and Analysis of Software Fault Detection and Correction Process by Considering Time Dependency, Wu Y.P., Hu Q.P., Xie M., Ng S.H. (2007)IEEE Transactions on Reliability, 56, no. 4, 629-642Download
J55Robust Recurrent Neural Network Modeling for Software Fault Detection and Correction Prediction, Hu Q.P., Xie M., Ng S.H., Levitin G. (2007)Reliability Engineering and System Safety, 92, no. 3, 332-340Download
J56Software Reliability Predictions Using Artificial Neural Networks, Hu Q.P., Xie M., Ng S.H. (2007)Studies in Computational Intelligence, 40, 197-222Download
J57Two-Stage Computing Budget Allocation Approach for the Response Surface Method, Peng J., Lee L.H., Ng S.H. (2007)International Transactions in Operational Research (ITOR), 14, no. 6, 457-473Download
J58Reducing Parameter Uncertainty in Stochastic Systems, Ng S.H., Chick S.E. (2006)ACM Transactions on Modeling and Computer Simulation, 16, no. 1, 26-51Download
J59A Statistical Investigation and Optimization of an Industrial Radiography Inspection Process for Aero-Engine Components, Wong W.K., Ng S.H., Xu K. (2006)Quality and Reliability Engineering International, 22, no. 3, 321-334Download
J60Software Failure Prediction Based on a Markov Bayesian Network Model, Bai C.G., Hu Q.P., Xie M., Ng S.H. (2005)Journal of Systems and Software, 74, no. 3, 275-282Download
J61Reliability and Modelling of Systems Integrated with Firmware and Hardware, Zhang T., Xie M., Tang L.C., Ng S.H. (2005)International Journal of Reliability, Quality and Safety Engineering, 12, no. 3, 227-240Unavailable
J62A Model for Correlated Failures in N-Version Programming, Dai Y.S., Xie M., Poh K.L., Ng S.H. (2004)IIE Transactions, 36, no. 12, 1183-1192Download
J63Design of Follow-Up Experiments for Improving Model Discrimination and Parameter Estimation, Ng S.H., Chick S.E. (2004)Naval Research Logistics, 51, no. 8, 1129-1148Download

Selected articles in published conference proceedings

C1Weighted Euclidean Distance Matrices over Mixed Continuous and Categorical Inputs for Gaussian Process Models, Pu M., Wang S., Wang W., Ng S.H. (2025)Artificial Intelligence and Statistics(AISTATS), 2025Download
C2Minimizing UCB: a Better Local Search Strategy in Local Bayesian Optimization, C1. Fan Z., Wang W., Ng S.H., Hu Q. (2024)Advances in Neural Information Processing Systems (NeurIPS), 2024Download
C3A Gaussian Process Based Algorithm for Stochastic Simulation Optimization with Input Distribution Uncertainty, Wang H., Ng S.H., Zhang X. (2020)Proceedings of the Winter Simulation Conference 2020Download
C4Stochastic Gaussian Process Model Averaging for High Dimensional Inputs, Xuereb M., Ng S.H., Pedrielli G. (2020)Proceedings of the Winter Simulation Conference 2020Download
C5Partition Based Bayesian Optimization for Stochastic Simulations, Wang S., Ng S.H. (2020)Proceedings of the Winter Simulation Conference 2020Download
C6Quantile Simulation Optimization with a Stochastic Co-Kriging Model, Wang S., Ng S.H., Haskell W.B. (2018)Proceedings of the Winter Simulation Conference 2018Download
C7Informational Approach to Global Optimization with Input Uncertainty for Homoscedastic Stochastic Simulation, Wang H., Yuan J., Ng S.H. (2018)Proceedings of the 2018 IEEE International Conference on Industrial Engineering and Engineering (received outstanding paper award)Download
C8A joint Gaussian process metamodel to improve quantile predictions, Wang S., Ng S.H. (2017)Proceedings of the Winter Simulation Conference 2017Download
C9Trust region based stochastic optimization with adaptive restart: A family of global optimization algorithms, Mathesen L., Pedrielli G., Ng S.H. (2017)Proceedings of the Winter Simulation Conference 2017Download
C10Enhancing pattern search for global optimization with an additive global and local Gaussian Process model, Meng Q., Ng S.H. (2017)Proceedings of the Winter Simulation Conference 2017Download
C11Combined global and local method for stochastic simulation optimization with an AGLGP model, Meng Q., Ng S.H. (2016)Proceedings of the Winter Simulation Conference 2016Download
C12An Additive Global and Local Gaussian Process Model for Large Data Sets, Meng Q., Ng S.H. (2015)Proceedings of the Winter Simulation Conference 2015Download
C13Kriging-based Simulation Optimization: A Stochastic Recursion Perspective, Pedrielli G., Ng S.H. (2015)Proceedings of the Winter Simulation Conference 2015Download
C14SNAT: Simulation-Based Search for Navigational Safety. The case of Singapore Strait, Chen X.Y., Pedrielli G., Ng S.H. (2014)Proceedings of the Winter Simulation Conference 2014, Pages 589-600, Institute of Electrical and Electronics Engineers. Savannah, USADownload
C15An Entropy Based Sequential Calibration Approach for Stochastic Computer Models, Yuan J., Ng S.H. (2013)Proceedings of the Winter Simulation Conference 2013, Pages 589-600, Institute of Electrical and Electronics Engineers. Washington D.C., USADownload
C16A Bayesian Metamodeling Approach for Stochastic Simulations, Yin J., Ng S.H., Ng K.M. (2010)Proceedings of the Winter Simulation Conference 2010, Pages 1055-1066, Institute of Electrical and Electronics Engineers. Baltimore, MD, USADownload
C17A Study on the Effects of Parameter Estimation on Kriging Model’s Prediction Error in Stochastic Simulations, Yin J., Ng S.H., Ng K.M. (2009)Proceedings of the Winter Simulation Conference 2009, Pages 674-685, Institute of Electrical and Electronics Engineers. Austin, Texas, USADownload
C18Kriging Model with Modified Nugget Effect, Yin J., Ng S.H., Ng K.M. (2008)Proceedings of the IEEE International Conference on Industrial Engineering and Engineering Management 2008, Pages 1714-1718, Institute of Electrical and Electronics Engineers. SingaporeDownload
C19Reliability Analysis of Weighted Voting Systems with Continuous State Input, Long Q., Xie M. and Ng S.H. (2006)Proceedings of the first IEEE International Conference on System Integration and Reliability Improvements. Hanoi, VietnamDownload
C20Early software reliability prediction with extended ANN model, Hu Q.P., Dai Y.S., Xie M. and Ng S.H. (2006)Proceedings of the IEEE International Computer Software and Applications Conference. Pages 1325-1331. Chicago, Illinois, USADownload
C21Reliability and modeling of systems integrated with firmware and hardware, Zhang T.L., Xie M., Tang L.C. and Ng S.H. (2004)Proceedings of 2004 Asian International Workshop on Advanced Reliability Modeling, Pages 617-624. Hiroshima City, Japan (received the best paper award)Download
C22Benchmarking of a Stochastic Production Planning Model in a Simulation Testbed, Riano G., Ng S.H., Serfozo R., Hackman S., Lendermann P., Chan L.P. (2003)Proceedings of the Winter Simulation Conference 2003, Volume 2, Pages 1183-1191, Institute of Electrical and Electronics Engineers. New Orleans, Louisiana, USADownload
C23Joint Criterion for Factor Identification and Parameter Estimation, Chick S.E., Ng S.H. (2002)Proceedings of the Winter Simulation Conference 2002, Volume 1, Pages 400-406, Institute of Electrical and Electronics Engineers. San Diego, California, USADownload
C24Reducing Input Parameter Uncertainty for Simulations, Ng S.H., Chick S.E. (2001)Proceedings of the Winter Simulation Conference 2001, Volume 1, Pages 364-371, Institute of Electrical and Electronics Engineers. Arlington, Virginia, USADownload