Fast adaptive non-monotone submodular maximization subject to a knapsack constraint

G Amanatidis, F Fusco, P Lazos… - Advances in neural …, 2020 - proceedings.neurips.cc
Constrained submodular maximization problems encompass a wide variety of applications,
including personalized recommendation, team formation, and revenue maximization via …

Improved online contention resolution for matchings and applications to the gig economy

T Pollner, M Roghani, A Saberi, D Wajc - Proceedings of the 23rd ACM …, 2022 - dl.acm.org
Background. Our results tie into the literature on contention resolution schemes [3], which we
briefly define. Let P (𝐺) denote the fractional matching polytope of a graph 𝐺=(𝑉, 𝐸). In a …

The price of information in combinatorial optimization

S Singla - Proceedings of the twenty-ninth annual ACM-SIAM …, 2018 - SIAM
Consider a network design application where we wish to lay down a minimum-cost
spanning tree in a given graph; however, we only have stochastic information about the …

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 …

Bandit Algorithms for Prophet Inequality and Pandora's Box

K Gatmiry, T Kesselheim, S Singla, Y Wang - … of the 2024 Annual ACM-SIAM …, 2024 - SIAM
Abstract The Prophet Inequality and Pandora's Box problems are fundamental stochastic
problem with applications in Mechanism Design, Online Algorithms, Stochastic Optimization …

Adaptivity in adaptive submodularity

H Esfandiari, A Karbasi… - Conference on Learning …, 2021 - proceedings.mlr.press
Adaptive sequential decision making is one of the central challenges in machine learning
and artificial intelligence. In such problems, the goal is to design an interactive policy that …

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 …

Pandora's problem with nonobligatory inspection

H Beyhaghi, R Kleinberg - Proceedings of the 2019 ACM Conference on …, 2019 - dl.acm.org
Martin Weitzman's" Pandora's problem" furnishes the mathematical basis for optimal search
theory in economics. Nearly 40 years later, Laura Doval introduced a version of the problem …

Online learning for min sum set cover and pandora's box

E Gergatsouli, C Tzamos - International Conference on …, 2022 - proceedings.mlr.press
Two central problems in Stochastic Optimization are Min-Sum Set Cover and Pandora's Box.
In Pandora's Box, we are presented with n boxes, each containing an unknown value and …

Pandora's box problem with order constraints

S Boodaghians, F Fusco, P Lazos… - Proceedings of the 21st …, 2020 - dl.acm.org
The Pandora's Box Problem, originally formalized by Weitzman in 1979, models selection
from a set of options each with stochastic parameters, when evaluation (ie sampling) is …