-
Proportionality in Thumbs Up and Down Voting. Sonja Kraiczy, Georgios Papasotiropoulos, Grzegorz Pierczyński, Piotr Skowron.
accepted at the non-archival Workshop on New Directions in Social Choice at EC'25; currently under submission to a conference
[paper]
-
Proportional Selection in Networks. Georgios Papasotiropoulos, Oskar Skibski, Piotr Skowron, Tomasz Wąs.
accepted at the non-archival Workshop on New Directions in Social Choice at EC'25; currently under submission to a conference
[paper]
-
Cycles in Liquid Democracy: A Game-Theoretic Justification. Markus Brill, Rachael Colley, Anne-Marie George, Grzegorz Lisowski, Georgios Papasotiropoulos, Ulrike Schmidt-Kraepelin.
accepted at the non-archival Conference of the European Network for Digital Democracy and, as a poster, at the non-archival Amsterdam/Saint-Etienne Workshop on Social Choice; soon to be under submission to an archival conference
[paper]
-
Participatory Budgeting with Donations: The Case of Selective Voters. Philip Lazos, Evangelos Markakis, Georgios Papasotiropoulos.
[paper]
-
Method of Equal Shares with Bounded Overspending. Georgios Papasotiropoulos, Seyedeh Zeinab Pishbin, Oskar Skibski, Piotr Skowron, Tomasz Wąs. [paper] [slides]
-
The Cost Perspective of Liquid Democracy: Feasibility and Control. Shiri Alouf-Heffetz, Łukasz Janeczko, Grzegorz Lisowski, Georgios Papasotiropoulos.
In the proceedings of the 39th AAAI Conference on Artificial Intelligence
(AAAI '25).
[paper]
-
As Time Goes By: Adding a Temporal Dimension Towards Resolving Delegations in Liquid Democracy. Evangelos Markakis, Georgios Papasotiropoulos.
In the proceedings of the 8th International Conference on Algorithmic Decision Theory
(ADT '24).
[paper] [slides]
-
On the Potential and Limitations of Proxy Voting: Delegation with Incomplete Votes. Georgios Amanatidis, Aris Filos-Ratsikas, Philip Lazos, Evangelos Markakis, Georgios Papasotiropoulos.
In the proceedings of the 23rd International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS'24).
[paper] [slides] [poster]
-
Proportionality Guarantees in Elections with Interdependent Issues. Markus Brill, Evangelos Markakis, Georgios Papasotiropoulos, Jannik Peters.
In the proceedings of the 32nd International Joint Conference on Artificial Intelligence (IJCAI'23).
[paper]
[slides] [poster]
-
On Improved Interval Cover Mechanisms for Crowdsourcing Markets. Evangelos Markakis, Georgios Papasotiropoulos, Artem Tsikiridis.
In the proceedings of the 15th International Symposium on Algorithmic Game Theory (SAGT'22).
[paper]
[slides]
-
An Approval-Based Model for Single-Step Liquid Democracy. Evangelos Markakis, Georgios Papasotiropoulos.
In the proceedings of the 14th International Symposium on Algorithmic Game Theory (SAGT'21).
[paper]
[slides]
-
Winner Determination and Strategic Control in Conditional Approval Voting. Evangelos Markakis, Georgios Papasotiropoulos.
In the proceedings of the 30th International Joint Conference on Artificial Intelligence (IJCAI'21).
[paper] [poster]
-
Computational Aspects of Conditional Minisum Approval Voting in Elections with Interdependent Issues. Evangelos Markakis, Georgios Papasotiropoulos.
In the proceedings of the 29th International Joint Conference on Artificial Intelligence (IJCAI'20).
[paper]
[presentation]
-
On the Complexity of Winner Determination and Strategic Control in Conditional Approval Voting. Evangelos Markakis, Georgios Papasotiropoulos.
Theoretical Computer Science.
[pdf]
-
On the Tractability Landscape of Conditional Minisum Approval Voting Rule. Georgios Amanatidis, Michael Lampis, Evangelos Markakis, Georgios Papasotiropoulos.
Information Processing Letters--special issue on Economics and Computation.
[paper] [pdf]