activity
20242026
collaborators

12 papers

cs.LG2026

Quota Marketplace: Dynamic Pricing for Efficient Allocation of ML Training Resources

Balasubramanian Sivan, Renato Paes Leme, Mihai Tiuca +6

The escalating demand for Machine Learning (ML) training resources in recent years has resulted in a substantial gap between the high demand and the available supply. Efficient all…

cs.GT2026

Metric Facility Assignment with Partial Information

Vasilis Gkatzelis, Hasti Karimi, Emma Rewinski +2

We study an assignment problem where a set of agents and a set of facilities lie on a line metric. The goal is to compute an assignment of agents to facilities to approximately min…

cs.DS2026

Online Min-Cost Matching with General Arrivals

Josh Ascher, Eric Balkanski, Jason Chatzitheodorou +1

In the classic online min-cost matching problem, the goal is to match a sequence of requests that arrive dynamically over time to a set of static servers, aiming to minimize the to…

cs.LG2026

Learning-Augmented Robust Algorithmic Recourse

Kshitij Kayastha, Vasilis Gkatzelis, Shahin Jabbari

Algorithmic recourse provides individuals who receive undesirable outcomes from machine learning systems with minimum-cost improvements to achieve a desirable outcome. However, mac…

cs.GT2026

The Distortion of Prior-Independent b-Matching Mechanisms

Ioannis Caragiannis, Vasilis Gkatzelis, Sebastian Homrighausen

In a setting where items need to be partitioned among agents, we evaluate the performance of mechanisms that take as input each agent's \emph{ordinal preferences}, i.e., th…

cs.GT2025

Procurement Auctions with Predictions: Improved Frugality for Facility Location

Eric Balkanski, Nicholas DeFilippis, Vasilis Gkatzelis +1

We study the problem of designing procurement auctions for the strategic uncapacitated facility location problem: a company needs to procure a set of facility locations in order to…