Optimized scenario reduction: Solving large-scale stochastic programs with quality guarantees

W Zhang, K Wang, A Jacquillat… - INFORMS Journal on …, 2023 - pubsonline.informs.org
Stochastic programming involves large-scale optimization with exponentially many
scenarios. This paper proposes an optimization-based scenario reduction approach to …

Stochastic unit commitment with topology control recourse for power systems with large-scale renewable integration

J Shi, SS Oren - IEEE Transactions on Power Systems, 2017 - ieeexplore.ieee.org
In this paper, we model topology control through transmission switching as a recourse action
in the day-ahead operation of power systems with large-scale renewable generation …

[HTML][HTML] A Lagrangian decomposition scheme for choice-based optimization

MP Paneque, B Gendron, SS Azadeh… - Computers & Operations …, 2022 - Elsevier
Choice-based optimization problems are the family of optimization problems that incorporate
the stochasticity of individual preferences according to discrete choice models to make …

Soft clustering-based scenario bundling for a progressive hedging heuristic in stochastic service network design

X Jiang, R Bai, SW Wallace, G Kendall… - Computers & Operations …, 2021 - Elsevier
We present a method for bundling scenarios in a progressive hedging heuristic (PHH)
applied to stochastic service network design, where the uncertain demand is represented by …

Stochastic Unit Commitment: Model Reduction via Learning

X Liu, AJ Conejo, GE Constante Flores - Current Sustainable/Renewable …, 2023 - Springer
Abstract Purpose of Review As weather-dependent renewable generation increases its
share in the generation mix of most electric energy systems, a stochastic unit commitment …

Ambulance redeployment and dispatching under uncertainty with personnel workload limitations

S Enayati, OY Özaltın, ME Mayorga, C Saydam - IISE Transactions, 2018 - Taylor & Francis
ABSTRACT Emergency Medical Services (EMS) managers are concerned with responding
to emergency calls in a timely manner. Redeployment and dispatching strategies can be …

A progressive hedging based branch-and-bound algorithm for mixed-integer stochastic programs

S Atakan, S Sen - Computational Management Science, 2018 - Springer
Progressive Hedging (PH) is a well-known algorithm for solving multi-stage stochastic
convex optimization problems. Most previous extensions of PH for mixed-integer stochastic …

Distributionally robust fair transit resource allocation during a pandemic

L Sun, W Xie, T Witten - Transportation science, 2023 - pubsonline.informs.org
This paper studies the distributionally robust fair transit resource allocation model (DrFRAM)
under the Wasserstein ambiguity set to optimize the public transit resource allocation during …

A scalable bounding method for multistage stochastic programs

B Sandikçi, OY Özaltin - SIAM Journal on Optimization, 2017 - SIAM
Many dynamic decision problems involving uncertainty can be appropriately modeled as
multistage stochastic programs. However, most practical instances are so large and/or …

Bounds for multistage mixed-integer distributionally robust optimization

G Bayraksan, F Maggioni, D Faccini, M Yang - SIAM Journal on Optimization, 2024 - SIAM
Multistage mixed-integer distributionally robust optimization (DRO) forms a class of
extremely challenging problems since their size grows exponentially with the number of …