Analytics with digital-twinning: A decision support system for maintaining a resilient port

C Zhou, J Xu, E Miller-Hooks, W Zhou, CH Chen… - Decision Support …, 2021 - Elsevier
In this paper, a Decision Support System (DSS) with digital twinning-based resilience
analysis is proposed as a modern tool for port resilience computation and updating. The …

Gaussian process-based random search for continuous optimization via simulation

X Wang, LJ Hong, Z Jiang, H Shen - Operations Research, 2023 - pubsonline.informs.org
Random search is an important category of algorithms to solve continuous optimization via
simulation problems. To design an efficient random search algorithm, the handling of the …

Offline simulation online application: A new framework of simulation-based decision making

LJ Hong, G Jiang - Asia-Pacific Journal of Operational Research, 2019 - World Scientific
Traditionally, simulation has been used as a tool of design to estimate, compare and
optimize the performance of different system designs. It is rarely used in making real-time …

[HTML][HTML] A neural network approach to performance analysis of tandem lines: The value of analytical knowledge

NA Dieleman, J Berkhout, B Heidergott - Computers & Operations Research, 2023 - Elsevier
We develop a neural network (NN) metamodeller for efficiently approximating the throughput
of different finite-buffer multi-server tandem lines (with varying service rates, number of …

Surrogate-based simulation optimization

LJ Hong, X Zhang - Tutorials in Operations Research …, 2021 - pubsonline.informs.org
Simulation models are widely used in practice to facilitate decision making in a complex,
dynamic and stochastic environment. But they are computationally expensive to execute and …

A link-to-link segment based metamodel for dynamic network loading

AUZ Patwary, W Huang, HK Lo - Transportation Research Part C …, 2021 - Elsevier
Dynamic network loading (DNL) is a core part of simulation-based dynamic traffic
assignment (DTA) models, which describes how traffic propagates on a transportation …

Simulation of batch service lateness queues with multiple vacations and two Bernoulli catastrophes using the developed'goLHS'generator

A Rezgui, H Saggou, M Ourbih-Tari… - … of Mathematics in …, 2023 - inderscienceonline.com
This paper considers a new model of a single server queue subject to two different Bernoulli
catastrophes with service lateness which represents the control duration and the service …

Real-Time Derivative Pricing and Hedging with Consistent Metamodels

G Jiang, LJ Hong, H Shen - INFORMS Journal on Computing, 2024 - pubsonline.informs.org
In derivative pricing and hedging, the consistency between the price and Greek surfaces (ie,
the Greek surfaces can be obtained by differentiating the price surface) is important in …

Monte Carlo integration with adaptive variance selection for improved stochastic efficient global optimization

F Carraro, RH Lopez, LFF Miguel, AJ Torii - Structural and …, 2019 - Springer
In this paper, the minimization of computational cost on evaluating multidimensional
integrals is explored. More specifically, a method based on an adaptive scheme for error …

Limitations of calculating theoretical solutions for closed BCMP queueing networks and verification of alternative theoretical values by parallel simulation

S Mizuno, H Ohba - PloS one, 2024 - journals.plos.org
This study applied a closed BCMP queueing network to a real-world model, examining the
limitations of the theoretical solution and the possibility of replacing theoretical values with …