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Filos-Ratsikas, Aris and Voudouris, Alexandros (2024) Revisiting the distortion of distributed voting. Theory of Computing Systems, 68 (5). pp. 1138-1159. DOI https://doi.org/10.1007/s00224-024-10171-1

Amanatidis, Georgios and Birmpas, Georgios and Filos-Ratsikas, Aris and Voudouris, Alexandros (2024) Don't Roll the Dice, Ask Twice: The Two-Query Distortion of Matching Problems and Beyond. SIAM Journal on Discrete Mathematics, 38 (1). pp. 1007-1029. DOI https://doi.org/10.1137/23M1545677

Filos-Ratsikas, Aris and Kanellopoulos, Panagiotis and Voudouris, Alexandros A and Zhang, Rongsen (2024) The Distortion of Distributed Facility Location. Artificial Intelligence, 328. p. 104066. DOI https://doi.org/10.1016/j.artint.2024.104066

Lotfi, Mohammad and Voudouris, Alexandros A (2024) On Truthful Constrained Heterogeneous Facility Location with Max-Variant Cost. Operations Research Letters, 52. p. 107060. DOI https://doi.org/10.1016/j.orl.2023.107060

Caragiannis, Ioannis and Filos-Ratsikas, Aris and Nath, Swaprava and Voudouris, Alexandros (2024) Truthful ownership transfer with expect advice. Mathematical Programming, 203 (1-2). pp. 871-900. DOI https://doi.org/10.1007/s10107-022-01834-3

Kanellopoulos, Panagiotis and Kyropoulou, Maria and Voudouris, Alexandros (2023) Not all Strangers are the Same: The Impact of Tolerance in Schelling Games. Theoretical Computer Science, 971. p. 114065. DOI https://doi.org/10.1016/j.tcs.2023.114065

Amanatidis, Georgios and Aziz, Haris and Birmpas, Georgios and Filos-Ratsikas, Aris and Li, Bo and Moulin, Hervé and Voudouris, Alexandros A and Wu, Xiaowei (2023) Fair division of indivisible goods: Recent progress and open questions. Artificial Intelligence, 322. p. 103965. DOI https://doi.org/10.1016/j.artint.2023.103965

Kanellopoulos, Panagiotis and Voudouris, Alexandros and Zhang, Rongsen (2023) On Discrete Truthful Heterogeneous Two-Facility Location. SIAM Journal on Discrete Mathematics, 37 (2). pp. 779-799. DOI https://doi.org/10.1137/22M149908X

Filos-Ratsikas, Aris and Kanellopoulos, Panagiotis and Voudouris, Alexandros and Zhang, Rongsen (2023) Settling the Distortion of Distributed Facility Location. In: 22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 2023-05-29 - 2023-06-02, London.

Deligkas, Argyrios and Filos-Ratsikas, Aris and Voudouris, Alexandros (2023) Heterogeneous facility location with limited resources. Games and Economic Behavior, 139. pp. 200-215. DOI https://doi.org/10.1016/j.geb.2023.03.001

Voudouris, Alexandros (2023) Tight distortion bounds for distributed metric voting on a line. Operations Research Letters, 51 (3). pp. 266-269. DOI https://doi.org/10.1016/j.orl.2023.03.004

Caragiannis, Ioannis and Shah, Nisarg and Voudouris, Alexandros A (2022) The metric distortion of multiwinner voting. Artificial Intelligence, 313. p. 103802. DOI https://doi.org/10.1016/j.artint.2022.103802

Kampouridis, Michael and Kanellopoulos, Panagiotis and Kyropoulou, Maria and Melissourgos, Themistoklis and Voudouris, Alexandros (2022) Multi-Agent Systems for Computational Economics and Finance. AI Communications: the European journal on artificial intelligence, 35 (4). pp. 369-380. DOI https://doi.org/10.3233/aic-220117

Kanellopoulos, Panagiotis and Voudouris, Alexandros and Zhang, Rongsen (2022) On Discrete Truthful Heterogeneous Two-Facility Location. In: 31st International Joint Conference on Artificial Intelligence and the 25th European Conference on Artificial Intelligence (IJCAI-ECAI 22), 2022-07-23 - 2022-07-29, Vienna.

Anshelevich, Elliot and Filos-Ratsikas, Aris and Voudouris, Alexandros (2022) The distortion of distributed metric social choice. Artificial Intelligence, 308. p. 103713. DOI https://doi.org/10.1016/j.artint.2022.103713

Amanatidis, Georgios and Birmpas, Georgios and Filos-Ratsikas, Aris and Voudouris, Alexandros (2022) A Few Queries Go a Long Way: Information-Distortion Tradeoffs in Matching. Journal of Artificial Intelligence Research, 74. pp. 227-261. DOI https://doi.org/10.1613/jair.1.12690

Habbab, Fatim and Kampouridis, Michail and Voudouris, Alexandros (2022) Optimizing Mixed-Asset Portfolios Involving REITs. In: IEEE Symposium on Computational Intelligence for Financial Engineering & Economics (CIFEr) 2022, 2022-05-04 - 2022-05-05, Helsinki, Finland/Online. (In Press)

Caragiannis, Ioannis and Kanellopoulos, Panagiotis and Voudouris, Alexandros A (2022) Bounding the Inefficiency of Compromise in Opinion Formation. Algorithmica, 84 (1). pp. 234-271. DOI https://doi.org/10.1007/s00453-021-00892-x

Anshelevich, Elliot and Filos-Ratsikas, Aris and Voudouris, Alexandros A (2022) The Distortion of Distributed Metric Social Choice. In: 17thInternational Conference on Web and Internet Economics WINE 2021, 2021-12-14 - 2021-12-17, Potsdam, Germany.

Agarwal, Aishwarya and Elkind, Edith and Gan, Jiarui and Igarashi, Ayumi and Suksompong, Warut and Voudouris, Alexandros A (2021) Schelling games on graphs. Artificial Intelligence, 301. p. 103576. DOI https://doi.org/10.1016/j.artint.2021.103576

Birmpas, Georgios and Gan, Jiarui and Hollender, Alexandros and Marmolejo-Cossío, Francisco J and Rajgopal, Ninad and Voudouris, Alexandros A (2021) Optimally Deceiving a Learning Leader in Stackelberg Games. Journal of Artificial Intelligence Research, 72. pp. 507-531. DOI https://doi.org/10.1613/jair.1.12542

Kanellopoulos, Panagiotis and Kyropoulou, Maria and Voudouris, Alexandros A (2021) Modified Schelling games. Theoretical Computer Science, 880. pp. 1-19. DOI https://doi.org/10.1016/j.tcs.2021.05.032

Amanatidis, Georgios and Birmpas, Georgios and Filos-Ratsikas, Aris and Voudouris, Alexandros A (2021) Peeking Behind the Ordinal Curtain: Improving Distortion via Cardinal Queries. Artificial Intelligence, 296. p. 103488. DOI https://doi.org/10.1016/j.artint.2021.103488

Bullinger, Martin and Suksompong, Warut and Voudouris, Alexandros A (2021) Welfare Guarantees in Schelling Segregation. Journal of Artificial Intelligence Research, 71. pp. 143-174. DOI https://doi.org/10.1613/jair.1.12771

Caragiannis, Ioannis and Voudouris, Alexandros (2021) The efficiency of resource allocation mechanisms for budget-constrained users. Mathematics of Operations Research, 46 (2). pp. 503-523. DOI https://doi.org/10.1287/moor.2020.1070

Amanatidis, Georgios and Birmpas, Georgios and Filos-Ratsikas, Aris and Hollender, Alexandros and Voudouris, Alexandros A (2021) Maximum Nash welfare and other stories about EFX. Theoretical Computer Science, 863. pp. 69-85. DOI https://doi.org/10.1016/j.tcs.2021.02.020

Amanatidis, Georgios and Birmpas, Georgios and Filos-Ratsikas, Aris and Hollender, Alexandros and Voudouris, Alexandros A (2021) Maximum Nash Welfare and Other Stories About EFX. In: 29th International Joint Conference on Artificial Intelligence, IJCAI 2020, 2020-07-11 - 2020-07-17. (In Press)

Elkind, Edith and Gan, Jiarui and Obraztsova, Svetlana and Rabinovich, Zinovi and Voudouris, Alexandros A (2021) Protecting elections by recounting ballots. Artificial Intelligence, 290. p. 103401. DOI https://doi.org/10.1016/j.artint.2020.103401

Kyropoulou, Maria and Suksompong, Warut and Voudouris, Alexandros A (2020) Almost Envy-Freeness in Group Resource Allocation. Theoretical Computer Science, 841. pp. 110-123. DOI https://doi.org/10.1016/j.tcs.2020.07.008

Voudouris, Alexandros A (2020) Simple combinatorial auctions with budget constraints. Theoretical Computer Science, 842. pp. 6-17. DOI https://doi.org/10.1016/j.tcs.2020.07.019

Caragiannis, Ioannis and Krimpas, George and Voudouris, Alexandros (2020) How effective can simple ordinal peer grading be? ACM Transactions on Economics and Computation, 8 (3). pp. 1-37. DOI https://doi.org/10.1145/3412347

Filos-Ratsikas, Aris and Micha, Evi and Voudouris, Alexandros A (2020) The distortion of distributed voting. Artificial Intelligence, 286. p. 103343. DOI https://doi.org/10.1016/j.artint.2020.103343

Kanellopoulos, Panagiots and Kyropoulou, Maria and Voudouris, Alexandros (2020) Modified Schelling Games. In: 13th Symposium on Algorithmic Game Theory (SAGT), 2020-09-16 - 2020-09-18, Augsburg, Germany.

Madhja, Adelina and Nikoletseas, Sotiris and Voudouris, Alexandros A (2020) Energy-aware tree network formation among computationally weak nodes. Computer Networks, 168. p. 107068. DOI https://doi.org/10.1016/j.comnet.2019.107068

Caragiannis, Ioannis and Filos-Ratsikas, Aris and Nath, Swaprava and Voudouris, Alexandros A (2020) Truthful ownership transfer with expert advice: Blending mechanism design with and without money. Working Paper. Arxiv.

Agarwal, Aishwarya and Elkind, Edith and Gan, Jiarui and Voudouris, Alexandros A (2020) Swap Stability in Schelling Games on Graphs. In: 34th AAAI Conference on Artificial Intelligence, 2020-02-07 - 2020-02-12, New York, USA.

Filos-Ratsikas, Aris and Micha, Evi and Voudouris, Alexandros A (2019) The Distortion of Distributed Voting. In: 12th International Symposium on Algorithmic Game Theory (SAGT 2019), 2019-09-30 - 2019-10-03, Athens, Greece.

Gan, Jiarui and Suksompong, Warut and Voudouris, Alexandros A (2019) Envy-freeness in house allocation problems. Mathematical Social Sciences, 101. pp. 104-106. DOI https://doi.org/10.1016/j.mathsocsci.2019.07.005

Kyropoulou, Maria and Suksompong, Warut and Voudouris, Alexandros A (2019) Almost Envy-Freeness in Group Resource Allocation. In: Twenty-Eighth International Joint Conference on Artificial Intelligence (IJCAI-19), 2019-08-10 - 2019-08-16, Macao.

Elkind, Edith and Gan, Jiaru and Obraztsova, Svetlana and Rabinovich, Zinovi and Voudouris, Alexandros A (2019) Protecting elections by recounting ballots. In: Twenty-Eighth International Joint Conference on Artificial Intelligence (IJCAI-19), 2019-08-10 - 2019-08-16, Macao.

Elkind, Edith and Gan, Jiaru and Igarashi, Ayumi and Suksompong, Warut and Voudouris, Alexandros A (2019) Schelling games on graphs. In: Twenty-Eighth International Joint Conference on Artificial Intelligence (IJCAI-19), 2019-08-10 - 2019-08-16, Macao.

Madhja, Adelina and Nikoletseas, Sotiris and Voudouris, Alexandros A (2019) Adaptive wireless power transfer in mobile ad hoc networks. Computer Networks, 152. pp. 87-97. DOI https://doi.org/10.1016/j.comnet.2019.02.004

Voudouris, Alexandros A (2019) A note on the efficiency of position mechanisms with budget constraints. Information Processing Letters, 143. pp. 28-33. DOI https://doi.org/10.1016/j.ipl.2018.11.004

Caragiannis, Ioannis and Chatzigeorgiou, Xenophon and Krimpas, George A and Voudouris, Alexandros A (2019) Optimizing positional scoring rules for rank aggregation. Artificial Intelligence, 267. pp. 58-77. DOI https://doi.org/10.1016/j.artint.2018.11.001

Abed, Fidaa and Caragiannis, Ioannis and Voudouris, Alexandros A (2018) Near-Optimal Asymmetric Binary Matrix Partitions. Algorithmica, 80 (1). pp. 48-72. DOI https://doi.org/10.1007/s00453-016-0238-4

Caragiannis, Ioannis and Kanellopoulos, Panagiotis and Voudouris, Alexandros A (2017) Bounding the inefficiency of compromise. In: Twenty-Sixth International Joint Conference on Artificial Intelligence (IJCAI-17), 2017-08-19 - 2017-08-25, Melbourne, Australia.

Caragiannis, Ioannis and Chatzigeorgiou, Xenophon and Kanellopoulos, Panagiotis and Krimpas, George A and Protopapas, Nikos and Voudouris, Alexandros A (2017) Efficiency and complexity of price competition among single-product vendors. Artificial Intelligence, 248. pp. 9-25. DOI https://doi.org/10.1016/j.artint.2017.03.001

Caragiannis, Ioannis and Voudouris, Alexandros A (2016) Welfare Guarantees for Proportional Allocations. Theory of Computing Systems, 59 (4). pp. 581-599. DOI https://doi.org/10.1007/s00224-016-9674-4

Caragiannis, Ioannis and Krimpas, George A and Voudouris, Alexandros A (2015) Aggregating partial rankings with applications to peer grading in massive online open courses. In: 14th International Conference on Autonomous Agents and Multiagent Systems, AAMAS, 2015-05 - 2015-05, Istanbul.