Publications

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Manuscripts

M7 Truthful two-facility location with candidate locations in metric spaces
Panagiotis Kanellopoulos, Alexandros A. Voudouris
[ arxiv ]
M6 The distortion of threshold approval multiwinner voting
Mohamad Latifian, Marzieh Nilipour, Alexandros A. Voudouris
[ arxiv ]
M5 Optimal rank lotteries for truthful unit-interval covering
Alexandros A. Voudouris
[ arxiv ]
M4 Group-fair metric distortion of facility assignment problems
Alexandros A. Voudouris
[ arxiv ]
M3 Discrete truthful heterogeneous two-facility location: The line and beyond
Panagiotis Kanellopoulos, Alexandros A. Voudouris
[ arxiv ]
M2 Metric facility assignment with partial information
Vasilis Gkatzelis, Hasti Karimi, Emma Rewinski, Maziar Shamsipour, Alexandros A. Voudouris
[ arxiv ]
M1 Approximate-EFX allocations with ordinal and limited cardinal information
Aris Filos-Ratsikas, Georgios Kalantzis, Alexandros A. Voudouris
[ arxiv ]

2026

J51 Optimal metric distortion for matching on the line
Aris Filos-Ratsikas, Vasilis Gkatzelis, Mohamad Latifian, Emma Rewinski, Alexandros A. Voudouris
Artificial Intelligence, volume 361, article 104630, 2026
[ DOI ]
J50 Constrained distributed heterogeneous two-facility location problems with max-variant cost
Xinru Xu, Wenjing Liu, Qizhi Fang, Alexandros A. Voudouris
Theoretical Computer Science, volume 1084, article 116177, 2026
[ DOI | arxiv ]
J49 Variety-seeking jump games on graphs
Lata Narayanan, Jaroslav Opatrny, Shanmukha Tummala, Alexandros A. Voudouris
Journal of Artificial Intelligence Research, volume 86, article 50, 2026
[ DOI ]
J48 Utilitarian distortion with predictions
Aris Filos-Ratsikas, Georgios Kalantzis, Alexandros A. Voudouris
Artificial Intelligence, volume 357, article 104557, 2026
[ DOI ]
J47 Constrained truthful obnoxious two-facility location with optional preferences
Panagiotis Kanellopoulos and Alexandros A. Voudouris
Algorithmica, volume 88, article 42, 2026
[ DOI ]
J46 Metric distortion under group-fair objectives
Georgios Amanatidis, Elliot Anshelevich, Christopher Jerrett, and Alexandros A. Voudouris
Autonomous Agents and Multi-Agent Systems, volume 40, article 14, 2026
[ DOI ]
C48 Network allocation games with anonymous preferences
Argyrios Deligkas, Eduard Eiben, Šimon Schierreich, Alexandros A. Voudouris
19th International Symposium on Algorithmic Game Theory (SAGT), 2026
[ DOI | arxiv ]
C47 Distributed agent-constrained truthful facility location
Argyrios Deligkas, Panagiotis Kanellopoulos, Alexandros A. Voudouris
19th International Symposium on Algorithmic Game Theory (SAGT), 2026
[ DOI | arxiv ]

2025

J45 The distortion of threshold approval matching
Mohamad Latifian and Alexandros A. Voudouris
Autonomous Agents and Multi-Agent Systems, volume 39, article 42, 2025
[ DOI ]
J44 The price of EF1 for few agents with additive ternary valuations
Maria Kyropoulou and Alexandros A. Voudouris
Operations Research Letters, volume 63, article 107351, 2025
[ DOI | arxiv]
J43 Diversity-seeking jump games in networks
Lata Narayanan, Yasaman Sabbagh, and Alexandros A. Voudouris
Autonomous Agents and Multi-Agent Systems, volume 39, article 32, 2025
[ DOI | arxiv ]
J42 Mechanism design with predictions for facility location games with candidate locations
Jiazhu Fang, Qizhi Fang, Wenjing Liu, Qingqin Nong, Alexandros A. Voudouris
Journal of Combinatorial Optimization, volume 49, article 74, 2025
[ DOI ]
J41 Improved metric distortion via threshold approvals
Elliot Anshelevich, Aris Filos-Ratsikas, Christopher Jerrett, Alexandros A. Voudouris
Artificial Intelligence, volume 341, article 104295, 2025
[ DOI ]
J40 Metric distortion of obnoxious distributed voting
Alexandros A. Voudouris
Information Processing Letters, volume 189, article 106559, 2025
[ DOI | arxiv ]
J39 Agent-constrained truthful facility location games
Argyrios Deligkas, Mohammad Lotfi, and Alexandros A. Voudouris
Journal of Combinatorial Optimization, volume 49, article 24, 2025
[ DOI ]
J38 Truthful two-facility location with candidate locations
Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
Theoretical Computer Science, volume 1024, article 114913, 2025
[ DOI ]
C46 Truthful facility location with candidate locations and limited resources
Panagiotis Kanellopoulos and Alexandros A. Voudouris
28th European Conference on Artificial Intelligence (ECAI), 2025
[ DOI | arxiv ]
C45 Constrained truthful obnoxious two-facility location with optional preferences
Panagiotis Kanellopoulos and Alexandros A. Voudouris
18th International Symposium on Algorithmic Game Theory (SAGT), 2025
[ DOI | arxiv ]
C44 Metric distortion under group-fair objectives
Georgios Amanatidis, Elliot Anshelevich, Christopher Jerrett, and Alexandros A. Voudouris
18th International Symposium on Algorithmic Game Theory (SAGT), 2025
[ DOI | arxiv ]
C43 Utilitarian distortion with predictions
Aris Filos-Ratsikas, Georgios Kalantzis, Alexandros A. Voudouris
26th ACM Conference on Economics and Computation (EC), 2025
[ DOI | arxiv ]
C42 Optimal metric distortion for matching on the line
Aris Filos-Ratsikas, Vasilis Gkatzelis, Mohamad Latifian, Emma Rewinski, Alexandros A. Voudouris
34th International Joint Conference on Artificial Intelligence (IJCAI), 2025
[ DOI | arxiv ]
C41 Variety-seeking jump games on graphs
Lata Narayanan, Jaroslav Opatrny, Shanmukha Tummala, Alexandros A. Voudouris
34th International Joint Conference on Artificial Intelligence (IJCAI), 2025
[ DOI | arxiv ]
E3 Special Issue on Economics and Computation
Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Information Processing Letters, 2025
[ ipl special issue | DOI ]

2024

J37 Truthful interval covering
Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Autonomous Agents and Multi-Agent Systems, volume 38, article 41, 2024
[ DOI ]
J36 Revisiting the distortion of distributed voting
Aris Filos-Ratsikas and Alexandros A. Voudouris
Theory of Computing Systems, volume 68, pages 1138–1159, 2024
[ DOI ]
J35 The distortion of distributed facility location
Aris Filos-Ratsikas, Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
Artificial Intelligence, volume 328, article 104066, 2024
[ DOI ]
J34 On truthful constrained heterogeneous facility location with max-variant cost
Mohammad Lotfi and Alexandros A. Voudouris
Operations Research Letters, volume 52, article 107060, 2024
[ DOI | arxiv ]
J33 Don't roll the dice, ask twice: The two-query distortion of matching problems and beyond
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
SIAM Journal on Discrete Mathematics, volume 38(1), pages 1007-1029, 2024
[ DOI ]
J32 Truthful ownership transfer with expert advice
Ioannis Caragiannis, Aris Filos-Ratsikas, Swaprava Nath, and Alexandros A. Voudouris
Mathematical Programming, volume 203, pages 871-900, 2024
[ DOI | arxiv ]
C40 Agent-constrained truthful facility location games
Argyrios Deligkas, Mohammad Lotfi, and Alexandros A. Voudouris
17th International Symposium on Algorithmic Game Theory (SAGT), 2024
[ DOI | arxiv ]
C39 The distortion of threshold approval matching
Mohamad Latifian and Alexandros A. Voudouris
33rd International Joint Conference on Artificial Intelligence (IJCAI), 2024
[ DOI | arxiv ]
C38 Truthful interval covering
Argyrios Deligkas, Aris Filos-Ratsikas and Alexandros A. Voudouris
33rd International Joint Conference on Artificial Intelligence (IJCAI), 2024
[ DOI | arxiv ]
C37 Improved metric distortion via threshold approvals
Elliot Anshelevich, Aris Filos-Ratsikas, Christopher Jerrett, Alexandros A. Voudouris
38th AAAI Conference on Artificial Intelligence (AAAI), 2024
[ DOI | arxiv ]

2023

J31 Not all strangers are the same: The impact of tolerance in Schelling games
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
Theoretical Computer Science, volume 971, article 114065, 2023
[ DOI ]
J30 Fair division of indivisible goods: Recent progress and open questions
Georgios Amanatidis, Haris Aziz, Georgios Birmpas, Aris Filos-Ratsikas, Bo Li, Hervé Moulin, Alexandros A. Voudouris, Xiaowei Wu
Artificial Intelligence, volume 322, article 103965, 2023
[ DOI | arxiv ]
J29 Tight distortion bounds for distributed metric voting on a line
Alexandros A. Voudouris
Operations Research Letters, volume 51(3), pages 266-269, 2023
[ DOI | arxiv ]
J28 Heterogeneous facility location with limited resources
Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Games and Economic Behavior, volume 139, pages 200-215, 2023
[ DOI ]
J27 On discrete truthful heterogeneous two-facility location
Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
SIAM Journal on Discrete Mathematics, volume 37(2), pages 779-799, 2023
[ DOI ]
C36 Truthful two-facility location with candidate locations
Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
16th International Symposium on Algorithmic Game Theory (SAGT), 2023
[ DOI | arxiv ]
C35 Settling the distortion of distributed facility location
Aris Filos-Ratsikas, Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 2023
[ DOI | arxiv ]
C34 Revisiting the distortion of distributed voting
Aris Filos-Ratsikas and Alexandros A. Voudouris
22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 2023
[ DOI | arxiv ]
E2 Special Issue on Algorithmic Game Theory (SAGT 2022)
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
Theoretical Computer Science, 2023
[ tcs special issue ]

2022

J26 The metric distortion of multiwinner voting
Ioannis Caragiannis, Nisarg Shah, and Alexandros A. Voudouris
Artificial Intelligence, volume 313, article 103802, 2022
[ DOI ]
J25 Multi-Agent Systems for Computational Economics and Finance
Michael Kampouridis, Panagiotis Kanellopoulos, Maria Kyropoulou, Themistoklis Melissourgos, and Alexandros A. Voudouris
AI Communications, volume 35(4), pages 369-380, 2022
[ DOI ]
J24 The distortion of distributed metric social choice
Elliot Anshelevich, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Artificial Intelligence, volume 308, article 103713, 2022
[ DOI ]
J23 A few queries go a long way: Information-distortion tradeoffs in matching
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Journal of Artificial Intelligence Research, volume 74, pages 227-261, 2022
[ DOI ]
J22 Bounding the inefficiency of compromise in opinion formation
Ioannis Caragiannis, Panagiotis Kanellopoulos, and Alexandros A. Voudouris
Algorithmica, volume 84, pages 234–271, 2022
[ DOI ]
C33 Don't roll the dice, ask twice: The two-query distortion of matching problems and beyond
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
36th Conference on Neural Information Processing Systems (NeurIPS), 2022
[ DOI | arxiv ]
C32 Not all strangers are the same: The impact of tolerance in Schelling games
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
47th International Symposium on Mathematical Foundations of Computer Science (MFCS), 2022
[ DOI | arxiv ]
C31 On discrete truthful heterogeneous two-facility location
Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang
31st International Joint Conference on Artificial Intelligence (IJCAI), pages 342-348, 2022
[ DOI | arxiv ]
C30 Fair division of indivisible goods: A survey
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
31st International Joint Conference on Artificial Intelligence (IJCAI Survey Track), pages 5385-5393, 2022
[ DOI | arxiv ]
C29 Optimizing mixed-asset portfolios involving REITs
Fatim Habbab, Michael Kampouridis and Alexandros A. Voudouris
2022 IEEE Computational Intelligence for Financial Engineering and Economics (CIFEr), 2022
[ DOI ]
C28 The metric distortion of multiwinner voting
Ioannis Caragiannis, Nisarg Shah, and Alexandros A. Voudouris
36th AAAI Conference on Artificial Intelligence (AAAI), pages 4900-4907, 2022
[ DOI | arxiv ]
C27 Heterogeneous facility location with limited resources
Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
36th AAAI Conference on Artificial Intelligence (AAAI), pages 4966-4974, 2022
[ DOI | arxiv ]
E1 15th International Symposium on Algorithmic Game Theory (SAGT)
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
[ sagt 2022 proceedings ]

2021

J21 Distortion in social choice problems: An annotated reading list
Elliot Anshelevich, Aris Filos-Ratsikas, Nisarg Shah, and Alexandros A. Voudouris
SIGecom Exchanges, volume 19(1), pages 12-14, 2021
[ DOI ]
J20 Optimally deceiving a learning leader in Stackelberg games
Georgios Birmpas, Jiarui Gan, Alexandros Hollender, Francisco J. Marmolejo-Cossio, Ninad Rajgopal, and Alexandros A. Voudouris
Journal of Artificial Intelligence Research, volume 72, pages 507-531, 2021
[ DOI ]
J19 Schelling games on graphs
Aishwarya Agarwal, Edith Elkind, Jiarui Gan, Ayumi Igarashi, Warut Suksompong, and Alexandros A. Voudouris
Artificial Intelligence, volume 301, article 103576, 2021
[ DOI ]
J18 Modified Schelling games
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
Theoretical Computer Science, volume 880, pages 1-19, 2021
[ DOI ]
J17 Welfare guarantees in Schelling segregation
Martin Bullinger, Warut Suksompong, and Alexandros A. Voudouris
Journal of Artificial Intelligence Research, volume 71, pages 143-174, 2021
[ DOI ]
J16 Peeking behind the ordinal curtain: Improving distortion via cardinal queries
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
Artificial Intelligence, volume 296, article 103488, 2021
[ DOI ]
J15 Maximum Nash welfare and other stories about EFX
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, Alexandros Hollender, and Alexandros A. Voudouris
Theoretical Computer Science, volume 863, pages 69-85, 2021
[ DOI ]
J14 The efficiency of resource allocation mechanisms for budget-constrained users
Ioannis Caragiannis and Alexandros A. Voudouris
Mathematics of Operations Research, volume 46(2), pages 503-523, 2021
[ DOI ]
J13 Protecting elections by recounting ballots
Edith Elkind, Jiarui Gan, Svetlana Obraztsova, Zinovi Rabinovich, and Alexandros A. Voudouris
Artificial Intelligence, volume 290, article 103401, 2021
[ DOI ]
C26 The distortion of distributed metric social choice
Elliot Anshelevich, Aris Filos-Ratsikas and Alexandros A. Voudouris
17th Conference on Web and Internet Economics (WINE), 2021
[ DOI | arxiv ]
C25 Approximate mechanism design for distributed facility location
Aris Filos-Ratsikas and Alexandros A. Voudouris
14th International Symposium on Algorithmic Game Theory (SAGT), pages 49-63, 2021
[ DOI | arxiv ]
C24 Distortion in social choice problems: The first 15 years and beyond
Elliot Anshelevich, Aris Filos-Ratsikas, Nisarg Shah, and Alexandros A. Voudouris
30th International Joint Conference on Artificial Intelligence (IJCAI Survey Track), pages 4294-4301, 2021
[ DOI | arxiv ]
C23 A few queries go a long way: Information-distortion tradeoffs in matching
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
35th AAAI Conference on Artificial Intelligence (AAAI), pages 5078-5085, 2021
[ DOI | arxiv ]
C22 Welfare guarantees in Schelling segregation
Martin Bullinger, Warut Suksompong, and Alexandros A. Voudouris
35th AAAI Conference on Artificial Intelligence (AAAI), pages 5236-5243, 2021
[ DOI | arxiv ]

2020

J12 Simple combinatorial auctions with budget constraints
Alexandros A. Voudouris
Theoretical Computer Science, volume 842, pages 6-17, 2020
[ DOI | arxiv ]
J11 Almost envy-freeness in group resource allocation
Maria Kyropoulou, Warut Suksompong, and Alexandros A. Voudouris
Theoretical Computer Science, volume 841, pages 110-123, 2020
[ DOI ]
J10 How effective can simple ordinal peer grading be?
Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris
ACM Transactions on Economics and Computation, volume 8, issue 3, article 16, 2020
Invited to special issue on selected papers from EC 2016
[ DOI ]
J9 The distortion of distributed voting
Aris Filos-Ratsikas, Evi Micha, and Alexandros A. Voudouris
Artificial Intelligence, volume 286, article 103343, 2020
[ DOI ]
J8 Energy-aware tree network formation among computationally weak nodes
Adelina Madhja, Sotiris Nikoletseas and Alexandros A. Voudouris
Computer Networks, volume 168, article 107068, 2020
[ DOI ]
C21 Optimally deceiving a learning leader in Stackelberg games
Georgios Birmpas, Jiarui Gan, Alexandros Hollender, Francisco J. Marmolejo-Cossio, Ninad Rajgopal, and Alexandros A. Voudouris
34th Conference on Neural Information Processing Systems (NeurIPS), 2020
[ paper | arxiv ]
C20 Modified Schelling games
Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris
13th International Symposium on Algorithmic Game Theory (SAGT), pages 241-256, 2020
[ DOI | arxiv ]
C19 Maximum Nash welfare and other stories about EFX
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, Alexandros Hollender, and Alexandros A. Voudouris
29th International Joint Conference on Artificial Intelligence (IJCAI), pages 24-30, 2020
[ DOI | arxiv ]
C18 Swap stability in Schelling games on graphs
Aishwarya Agarwal, Edith Elkind, Jiarui Gan, and Alexandros A. Voudouris
34th AAAI Conference on Artificial Intelligence (AAAI), pages 1758-1765, 2020
[ DOI | arxiv ]
C17 Peeking behind the ordinal curtain: Improving distortion via cardinal queries
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris
34th AAAI Conference on Artificial Intelligence (AAAI), pages 1782-1789, 2020
[ DOI | arxiv ]

2019

J7 Envy-freeness in house allocation problems
Jiarui Gan, Warut Suksompong, and Alexandros A. Voudouris
Mathematical Social Sciences, volume 101, pages 104-106, 2019
[ DOI | arxiv ]
J6 Adaptive wireless power transfer in mobile ad hoc networks
Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris
Computer Networks, volume 152, pages 87-97, 2019
[ DOI ]
J5 A note on the efficiency of position mechanisms with budget constraints
Alexandros A. Voudouris
Information Processing Letters, volume 143, pages 28-33, 2019
[ DOI | arxiv ]
J4 Optimizing positional scoring rules for rank aggregation
Ioannis Caragiannis, Xenophon Chatzigeorgiou, George A. Krimpas, and Alexandros A. Voudouris
Artificial Intelligence, volume 267, pages 58-77, 2019
[ DOI ]
C16 The distortion of distributed voting
Aris Filos-Ratsikas, Evi Micha, and Alexandros A. Voudouris
12th International Symposium on Algorithmic Game Theory (SAGT), pages 312-325, 2019
[ DOI | arxiv ]
C15 Protecting elections by recounting ballots
Edith Elkind, Jiarui Gan, Svetlana Obraztsova, Zinovi Rabinovich, and Alexandros A. Voudouris
28th International Joint Conference on Artificial Intelligence (IJCAI), pages 259-265, 2019
[ DOI | arxiv ]
C14 Schelling games on graphs
Edith Elkind, Jiarui Gan, Ayumi Igarashi, Warut Suksompong, and Alexandros A. Voudouris
28th International Joint Conference on Artificial Intelligence (IJCAI), pages 266-272, 2019
[ DOI | arxiv ]
C13 Almost envy-freeness in group resource allocation
Maria Kyropoulou, Warut Suksompong, and Alexandros A. Voudouris
28th International Joint Conference on Artificial Intelligence (IJCAI), pages 400-406, 2019
[ DOI | arxiv ]

2018

J3 Near-optimal asymmetric binary matrix partitions
Fidaa Abed, Ioannis Caragiannis, and Alexandros A. Voudouris
Algorithmica, volume 80(1), pages 48-72, 2018
[ DOI ]
C12 Peer-to-peer energy-aware tree network formation
Adelina Madhja, Sotiris Nikoletseas, Dimitrios Tsolovos, and Alexandros A. Voudouris
16th ACM International Symposium on Mobility Management and Wireless Access (MOBIWAC), pages 1-8, 2018
[ DOI | arxiv ]
C11 Mobility-aware, adaptive algorithms for wireless power transfer in ad hoc networks
Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris
14th International Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS), pages 145-158, 2018
[ DOI | arxiv ]
C10 Adaptive wireless power transfer in mobile ad hoc networks
Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris
14th International Conference on Distributed Computing in Sensor Systems (DCOSS), pages 121-122, 2018
[ DOI ]
C9 The efficiency of resource allocation mechanisms for budget-constrained users
Ioannis Caragiannis and Alexandros A. Voudouris
19th ACM Conference on Economics and Computation (EC), pages 681-698, 2018
[ DOI | arxiv ]
D3 Design and analysis of algorithms for non-cooperative environments
Alexandros A. Voudouris
PhD thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2018
[ PDF | slides (gr|en) ]

2017

J2 Efficiency and complexity of price competition among single-product vendors
Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos, George A. Krimpas, Nikos Protopapas, and Alexandros A. Voudouris
Artificial Intelligence, volume 248, pages 9-25, 2017
[ DOI ]
C8 Bounding the inefficiency of compromise
Ioannis Caragiannis, Panagiotis Kanellopoulos, and Alexandros A. Voudouris
26th International Joint Conference on Artificial Intelligence (IJCAI), pages 142-148, 2017
[ DOI | arxiv ]
C7 Optimizing positional scoring rules for rank aggregation
Ioannis Caragiannis, Xenophon Chatzigeorgiou, George A. Krimpas, and Alexandros A. Voudouris
31st AAAI Conference on Artificial Intelligence (AAAI), pages 430-436, 2017
[ DOI | arxiv ]

2016

J1 Welfare guarantees for proportional allocations
Ioannis Caragiannis and Alexandros A. Voudouris
Theory of Computing Systems, volume 59(4), pages 581-599, 2016
Invited to special issue on selected papers from SAGT 2014/2015
[ DOI ]
C6 How effective can simple ordinal peer grading be?
Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris
17th ACM Conference on Economics and Computation (EC), pages 323-340, 2016
Also presented as poster at WINE 2016 and as extended abstract at COMSOC 2016
[ DOI | arxiv ]
C5 co-rank: an online tool for collectively deciding efficient rankings among peers
Ioannis Caragiannis, George A. Krimpas, Marianna Panteli, and Alexandros A. Voudouris
30th AAAI Conference on Artificial Intelligence (AAAI), pages 4351-4352, 2016
[ co-rank | DOI ]

2015

C4 Near-optimal asymmetric binary matrix partitions
Fidaa Abed, Ioannis Caragiannis, and Alexandros A. Voudouris
40th International Symposium on Mathematical Foundations of Computer Science (MFCS), pages 1-13, 2015
[ DOI | arxiv ]
C3 Efficiency and complexity of price competition among single-product vendors
Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos, George A. Krimpas, Nikos Protopapas, and Alexandros A. Voudouris
24th International Joint Conference on Artificial Intelligence (IJCAI), pages 25-31, 2015
[ PDF | arxiv ]
C2 Aggregating partial rankings with applications to peer grading in massive online open courses
Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris.
14th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), pages 675-683, 2015
[ DOI | arxiv ]

2014

C1 Welfare guarantees for proportional allocations
Ioannis Caragiannis and Alexandros A. Voudouris
7th International Symposium on Algorithmic Game Theory (SAGT), pages 206-217, 2014
[ DOI | arxiv ]
D2 On the efficiency of divisible resource allocation mechanisms
Alexandros A. Voudouris
M.Sc. thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2014
[ PDF (in greek) ]

2013

D1 Search algorithms for natural deduction proofs
Alexandros A. Voudouris
Diploma thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2013
[ PDF (in greek) ]