activity
20192026
most citedImpartial Selection with Additive Approximation Guarantees

7 citations · 8 across the 5 of their papers we have counts for

collaborators

6 papers

cs.GT2026

Online Fair Division Meets Reordering Buffers

Georgios Amanatidis, Giulio Giaconi, Evangelos Markakis +1

We study the online fair division of indivisible mixed manna among agents with additive valuation functions. Under the standard online model, at each time step an indivisible item…

cs.GT2025

Online EFX Allocations with Predictions

Themistoklis Melissourgos, Nicos Protopapas

We study an online fair division problem where a fixed number of goods arrive sequentially and must be allocated to a given set of agents. Once a good arrives, its true value for e…

cs.GT2025

Fairness under Equal-Sized Bundles: Impossibility Results and Approximation Guarantees

Alviona Mancho, Evangelos Markakis, Nicos Protopapas

We study the fair allocation of indivisible goods under cardinality constraints, where each agent must receive a bundle of fixed size. This models practical scenarios, such as assi…

cs.GT2022

Truthful Aggregation of Budget Proposals with Proportionality Guarantees

Ioannis Caragiannis, George Christodoulou, Nicos Protopapas

We study a participatory budgeting problem, where a set of strategic agents wish to split a divisible budget among different projects, by aggregating their proposals on a single di…

cs.GT2021★ 1 cited

Impartial selection with prior information

Ioannis Caragiannis, George Christodoulou, Nicos Protopapas

We study the problem of {\em impartial selection}, a topic that lies at the intersection of computational social choice and mechanism design. The goal is to select the most popular…

cs.GT2019★ 7 cited

Impartial Selection with Additive Approximation Guarantees

Ioannis Caragiannis, George Christodoulou, Nicos Protopapas

Impartial selection has recently received much attention within the multi-agent systems community. The task is, given a directed graph representing nominations to the members of a…