Pandora's box with correlations: Learning and approximation

S Chawla, E Gergatsouli, Y Teng… - 2020 IEEE 61st …, 2020 - ieeexplore.ieee.org
The Pandora's Box problem and its extensions capture optimization problems with
stochastic input where the algorithm can obtain instantiations of input random variables at …

Efficient approximation schemes for stochastic probing and prophet problems

D Segev, S Singla - Proceedings of the 22nd ACM Conference on …, 2021 - dl.acm.org
Our main contribution is a general framework to design efficient polynomial time
approximation schemes (EPTAS) for fundamental stochastic combinatorial optimization …

Nonadaptive Stochastic Score Classification and Explainable Half-Space Evaluation

R Ghuge, A Gupta, V Nagarajan - Operations Research, 2024 - pubsonline.informs.org
Sequential testing problems involve a complex system with several components, each of
which is “working” with some independent probability. The outcome of each component can …

Approximation schemes for orienteering and deadline tsp in doubling metrics

K Ren, MR Salavatipour - arxiv preprint arxiv:2405.00818, 2024 - arxiv.org
In this paper we look at $ k $-stroll, point-to-point orienteering, as well as the deadline TSP
problem on graphs with bounded doubling dimension and bounded treewidth and present …

Semi-bandit learning for monotone stochastic optimization

A Agarwal, R Ghuge… - 2024 IEEE 65th Annual …, 2024 - ieeexplore.ieee.org
Stochastic optimization is a widely used approach for optimization under uncertainty, where
uncertain input parameters are modeled by random variables. Exact or approximation …

Minimizing completion times for stochastic jobs via batched free times

A Gupta, B Moseley, R Zhou - Proceedings of the 2023 Annual ACM-SIAM …, 2023 - SIAM
We study the classic problem of minimizing the expected total completion time of jobs on m
identical machines in the setting where the sizes of the jobs are stochastic. Specifically, the …

Approximation Algorithms for Correlated Knapsack Orienteering

DA Espinosa, C Swamy - arxiv preprint arxiv:2408.16566, 2024 - arxiv.org
We consider the {\em correlated knapsack orienteering}(CSKO) problem: we are given a
travel budget $ B $, processing-time budget $ W $, finite metric space $(V, d) $ with root …

Informative Path Planning with Limited Adaptivity

R Tan, R Ghuge, V Nagarajan - International Conference on …, 2024 - proceedings.mlr.press
We consider the informative path planning (IPP) problem in which a robot interacts with an
uncertain environment and gathers information by visiting locations. The goal is to minimize …

Minimizing Cost Rather Than Maximizing Reward in Restless Multi-Armed Bandits

RT Witter, L Hellerstein - arxiv preprint arxiv:2409.03071, 2024 - arxiv.org
Restless Multi-Armed Bandits (RMABs) offer a powerful framework for solving resource
constrained maximization problems. However, the formulation can be inappropriate for …

[PDF][PDF] A General Framework for Sequential Batch-Testing

R Tan, A Xu, V Nagarajan - … -online. org/2024/07/a-general …, 2024 - optimization-online.org
We consider sequential testing problems that involve a system of n stochastic components,
each of which is either working or faulty with independent probability. The overall state of the …