5 papers
Power in Liquid Democracy: A Network Centrality Approach
Davide Grossi, Andreas Nitsche, Georgios Papasotiropoulos +3
This paper develops a computationally tractable framework for measuring voters' power in collective decision-making platforms that support transitive and suspendable delegations---…
Fair Indivisible Payoffs through Shapley Value
Mikołaj Czarnecki, Michał Korniak, Oskar Skibski +1
We consider the problem of payoff division in indivisible coalitional games, where the value of the grand coalition is a natural number. This number represents a certain quantity o…
Sequential Elimination and Union Shapley Value for Group Assessment in Coalitional Games
Piotr Kępczyński, Oskar Skibski
Two straightforward methods to extend an assessment of individual elements to groups are to sum individual assessments or to treat the group as a single merged element and assess i…
Proportional Selection in Networks
Georgios Papasotiropoulos, Oskar Skibski, Piotr Skowron +1
We address the problem of selecting representative nodes from a network, aiming to achieve two objectives: identifying the most influential nodes and ensuring the selection pro…
Method of Equal Shares with Bounded Overspending
Georgios Papasotiropoulos, Seyedeh Zeinab Pishbin, Oskar Skibski +2
In participatory budgeting (PB), voters decide through voting which subset of projects to fund within a given budget. Proportionality in the context of PB is crucial to ensure equa…