Georgios Chalkiadakis

 

 publications


Books

1.   Georgios Chalkiadakis, Edith Elkind, and Michael Wooldridge: Computational Aspects of Cooperative Game Theory. Morgan & Claypool Publishers, October 2011.

           - Book abstract, endorsements, and table of contents; and here is the book website.

           

Book Chapters

3.   Georgios Chalkiadakis, Charilaos Akasiadis, Nikolaos Savvakis, Theocharis Tsoutsos, Thomas Hoppe, and Frans Coenen: Providing a Scientific Arm to Renewable Energy Cooperatives. In The Role of Exergy in Energy and the Environment. Springer Nature, 2018. Forthcoming. 

2.   Georgios Chalkiadakis and Michael Wooldridge: Weighted Voting Games. In F. Brandt, V. Conitzer, U. Endriss, J. Lang, and A. Procaccia (eds.): Handbook of Computational Social Choice. Cambridge University Press, April 2016. The official book website can be found here. You can download a free, complete, pdf version of the book, and read it using the password "cam1CSC" (graciously provided by the publisher). 

1.   Angelos Chliaoutakis and Georgios Chalkiadakis: Interpreting the Past through Agent-Based Modeling and GIS. In A. Sarris (ed.): Best Practices of GeoInformatic Technologies for the Mapping of Archaeolandscapes. Archaeopress, November 2015. 

 

Editorships

1.   Nick Bassiliades and Georgios Chalkiadakis: Artificial Intelligence Techniques for the Smart Grid. Special Issue, Advances in Building Energy Research, Volume 12, Issue 1, 2018. Taylor and Francis. Editorial.

 

Journal publications

10. Filippo Bistaffa, Alessandro Farinelli, Georgios Chalkiadakis, and Sarvapali D. Ramchurn: A Cooperative Game-Theoretic Approach to the Social Ridesharing Problem. Artificial Intelligence (AIJ), 246, pages 86-117, May 2017. Available online 24 Feb 2017.

9. Charilaos Akasiadis and Georgios Chalkiadakis: Cooperative Electricity Consumption Shifting. Sustainable Energy, Grids and Networks, Volume 9, pages 38-58, March 2017. 

8. Charilaos Akasiadis and Georgios Chalkiadakis: Mechanism Design for Demand-Side Management. IEEE Intelligent Systems, Special Issue on AI and Economics, 32(1), pages 24-31, Jan-Feb 2017. 

7. Valentin Robu, Georgios Chalkiadakis, Ramachandra Kota, Alex Rogers, and Nicholas R. Jennings: Rewarding Cooperative Virtual Power Plant Formation Using Scoring Rules. Energy, Volume 117, Part 1, pages 19-28, December 2016. 

6. Angelos Chliaoutakis and Georgios Chalkiadakis: Agent-Based Modeling of Ancient Societies and their Organization Structure. Journal of Autonomous Agents and Multi-Agent Systems (JAAMAS), 30(6), pages 1072-1116, November 2016 (published online first: 25 January 2016). 

5. Georgios Chalkiadakis, Gianluigi Greco, Evangelos Markakis: Characteristic Function Games with Restricted Agent Interactions: Core-Stability and Coalition Structures. Artificial Intelligence (AIJ), 232, pages 76-113, March 2016 (available online: 23 Dec 2015). 

4. Georgios Chalkiadakis and Craig Boutilier: Sequentially Optimal Repeated Coalition Formation under Uncertainty. Journal of Autonomous Agents and Multi-Agent Systems (JAAMAS), 24(3), pages 441-484, May 2012 (published online first: 5 November 2010). Also available at  SpringerLink.

3. Georgios Chalkiadakis, Edith Elkind, and Michael Wooldridge: Cooperative Game Theory: Basic Concepts and Computational Challenges. IEEE Intelligent Systems , 27(3), pages 86-90, May/June 2012.

2. Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis, Maria Polukarov and Nicholas R. Jennings: Cooperative Games with Overlapping Coalitions. Journal of Artificial Intelligence Research (JAIR), 39, pages 179-216, September 2010.

1. Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis, Maria Polukarov, and Nicholas R. Jennings: Stability of Overlapping Coalitions. ACM SIGecom Exchanges, 8(1), July 2009.

 

Conference publications [full papers, peer-reviewed]

33.    Angelos Chliaoutakis and Georgios Chalkiadakis: Evolutionary Game-theoretic Modeling of Past Societies' Social Organization. In Proc. of the 14th European Conference on Artificial Life (ECAL-2017), Lyon, France, September 2017.

32.    Theocharis Kravaris, George A. Vouros, Christos Spatharis, Konstantinos Blekas, Georgios Chalkiadakis and Jose Manuel Cordero Garcia: Learning Policies for Resolving Demand-Capacity Imbalances during Pre-Tactical Air Traffic Management. In Proc. of the 15th German Conference on Multiagent System Technologies (MATES 2017), Leipzig, Germany, August 2017.

31.    Michail Mamakos and Georgios Chalkiadakis: Probability Bounds for Overlapping Coalition Formation. In Proc. of the 26th International Joint Conference on Artificial Intelligence (IJCAI-2017), Melbourne, Australia, August 2017.

30.    F. Coenen, T. Hoppe, G. Chalkiadakis, C. Akasiadis, and T.Tsoutsos: Exploring Energy Saving Policy Measures by Renewable Energy Supplying Cooperatives (RESCOOPS). . In the ECEEE 2017 Summer Study on Energy Efficiency, Presqu’île de Giens, France, May-June 2017.

29.    C. Akasiadis, N. Savvakis, M. Mamakos, T. Hoppe, F. Coenen, G.Chalkiadakis, andd T. Tsoutsos: Analyzing Statistically the Energy Consumption and Production Patterns of European RESCOOP members: Results from the H2020 Project RESCOOP PLUS.. In the 9th International Exergy, Energy and Environment Symposium (IEEES-9), Split, Croatia, May 2017.

28.    Filippos Christianos and Georgios Chalkiadakis: Efficient Multi-Criteria Coalition Formation using Hypergraphs (with Application to the V2G Problem). In Proc. of the 14th European Conference on Multi-Agent Systems (EUMAS-2016), Valencia, Spain, December 2016.

27.    Evangelos Tripolitakis and Georgios Chalkiadakis: Probabilistic Topic Modeling, Reinforcement Learning, and Crowdsourcing for Personalized Recommendations. In Proc. of the 14th European Conference on Multi-Agent Systems (EUMAS-2016), Valencia, Spain, December 2016.

26.    Charilaos Akasiadis and Georgios Chalkiadakis: Decentralized Large-Scale Electricity Consumption Shifting by Prosumer Cooperatives. In Proc. of the 21st European Conference on Artificial Intelligence (ECAI-2016), The Hague, The Netherlands, August 2016.  In which, to achieve effective rescheduling of prosumers consumption, and reward back members according to their behavior, we propose the employment of a specialized cryptocoin algorithm, designed for the coordination of prosumer cooperative actions. This dis tributed execution approach removes the need for cooperative man agers.

25.    Angelos Angelidakis and Georgios Chalkiadakis: Optimal Prosumer Decicion-Making using Factored MDPs. In Proc. of the 25thst International Joint Conference on Artificial Intelligence (IJCAI-2016), pages 4110-4114, New York, July 2016. 

24.    Angelos Angelidakis and Georgios Chalkiadakis: Factored MDPs for Optimal Prosumer Decision-Making in Continuous State Spaces. In Proc. of the 13th European Conference on Multi-Agent Systems (EUMAS-2015), Athens, Greece, December 2015. 

23.    Filippo Bistaffa, Georgios Chalkiadakis, Alessandro Farinelli, and Sarvapali D. Ramchurn: Recommending Fair Payments for Large-Scale Social Ridesharing. In Proc. of the 9th ACM Conference on Recommender Systems (ACM RecSys 2015), Vienna, Austria, September 2015. 

22.    Angelos Angelidakis and Georgios Chalkiadakis: Factored MDPs for Optimal Prosumer Decision-Making. In Proc. of the 14th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2015), Istanbul, Turkey, May 2015. Honorable Mention, Best Student Paper Award Finalist. 

21.    Athanasios Aris Panagopoulos, Georgios Chalkiadakis, and Nicholas R. Jennings: Towards Optimal Solar Tracking: A Dynamic Programming Approach. In Proc. of the 29th AAAI Conference on Artificial Intelligence (AAAI-2015), Austin, TX, USA, January 2015.

20.    Konstantinos Babas, Georgios Chalkiadakis, and Evangelos Tripolitakis: You Are What You Consume: A Bayesian Method For Personalized Recommendations. In Proc. of the 7th ACM Conference on Recommender Systems (ACM RecSys 2013), Hong Kong, China, October 2013.

19.    Charilaos Akasiadis and Georgios Chalkiadakis: Agent Cooperatives for Effective Power Consumption Shifting. In Proc. of the 27th AAAI Conference on Artificial Intelligence (AAAI-2013), Bellevue, WA, USA, July 2013. [Note: This is a slightly extended version of the camera-ready AAAI paper. The camera-ready AAAI-13 paper itself can be found here.]

18.    Athanasios Aris Panagopoulos, Georgios Chalkiadakis, and Eftichios Koutroulis: Predicting the Power Output of Distributed Renewable Energy Resources within a Broad Geographical Region. In Proc. of the 20th European Conference on Artificial Intelligence, Prestigious Applications of Intelligent Systems track (ECAI-2012/PAIS-2012), Montpellier, France, August 2012. PAIS-2012 Best Student Paper Award winner

17.   Ramachandra Kota, Georgios Chalkiadakis, Valentin Robu, Alex Rogers, and Nicholas R. Jennings: Cooperatives for Demand Side Management. In Proc. of the 20th European Conference on Artificial Intelligence, Prestigious Applications of Intelligent Systems track (ECAI-2012/PAIS-2012), Montpellier, France, August 2012.

16.   Tim Matthews, Sarvapali D. Ramchurn, and Georgios Chalkiadakis: Competing with Humans in Fantasy Football: Team Formation in Large Partially Observable Domains. In Proc. of the 26th AAAI Conference on Artificial Intelligence (AAAI-2012), Toronto, ON, Canada, July 2012.

- This work was also covered in a New Scientist article (“AI fantasy football manager picks a winning team”)

- …and in an IEEE Spectrum podcast: "The Computer the Beat Two Million Humans at Fantasy Football"…

- …and in an IEEE Intelligent Systems "In the News" article: "Intelligent Program Wins at Fantasy Soccer" (March/April 2013, vol. 28, no. 2)

15.   Valentin Robu, Ramachandra Kota, Georgios Chalkiadakis, Alex Rogers, and Nicholas R. Jennings: Cooperative Virtual Power Plant Formation Using Scoring Rules. In Proc. of the 26th AAAI Conference on Artificial Intelligence (AAAI-2012), Toronto, ON, Canada, July 2012.

- A preliminary version of this paper was also accepted as a short article (extended abstract) in AAMAS-2012.

14.   Georgios Chalkiadakis, Evangelos Markakis, and Nicholas R. Jennings: Coalitional Stability in Structured Environments. In Proc. of the 11th Int. Conf. on Autonomous Agents and MultiagentSystems (AAMAS-2012), Valencia, Spain, June 2012.

13.   W.T. Luke Teacy, Georgios Chalkiadakis, Alessandro Farinelli, Alex Rogers, Nicholas R. Jennings, Sally McClean and Gerard Parr: Decentralized Bayesian Reinforcement Learning for Online Agent Collaboration. In Proc. of the 11th Int. Conf. on Autonomous Agents and MultiagentSystems (AAMAS-2012), Valencia, Spain, June 2012.

12.    Yair Zick, Georgios Chalkiadakis, and Edith Elkind: Overlapping Coalition Formation Games: Charting the Tractability Frontier. In Proc. of the 11th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2012), Valencia, Spain, June 2012.

11.    Georgios Chalkiadakis, Valentin Robu, Ramachandra Kota, Alex Rogers, and Nicholas R. Jennings:  Cooperatives of Distributed Energy Resources for Efficient Virtual Power Plants. In Proc. of the 10th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2011), Taipei, Taiwan, May 2011.

10.   Georgios Chalkiadakis, Edith Elkind, and Nicholas R. Jennings:  Simple Coalitional Games with Beliefs. In Proc. of the 21st International Joint Conference on Artificial Intelligence (IJCAI-09), pages 85-90, Pasadena, California, July 2009.

9.   Georgios Chalkiadakis, Edith Elkind, Maria Polukarov, and Nicholas R. Jennings: The Price of Democracy in Coalition Formation. In Proc. of the 8th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2009), pages 401-408, Budapest, Hungary, May 2009.

8.    Georgios Chalkiadakis, Edith Elkind, Evangelos Markakis, and Nicholas R. Jennings: Overlapping Coalition Formation. In Proc. of the 4th International Workshop on Internet and Network Economics (WINE-2008), pages 307-321, Shanghai, China, December 2008.

·        A preliminary version of this paper also appeared in CTN-2008 (the13th Coalition Theory Network workshop - no published proceedings).

7.    Edith Elkind, Georgios Chalkiadakis, and Nicholas R. Jennings: Coalition Structures in Weighted Voting Games. In Proc. of the 18th European Conference on Artificial Intelligence (ECAI-2008), pages 393-397, Patras, Greece, July 2008.  Best Paper Award Finalist.

·        A version of this paper also appeared in COMSOC-2008 (the 2nd International Workshop on Computational Social Choice - no published proceedings).

6.    Georgios Chalkiadakis and Craig Boutilier: Sequential Decision Making in Repeated Coalition Formation under Uncertainty. In Proc. of the 7th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2008), pages 347-354, Estoril, Portugal, May 2008.

5.   W.T. Luke Teacy, Georgios Chalkiadakis, Alex Rogers, and Nicholas R. Jennings: Sequential Decision Making with Untrustworthy Service Providers. In Proc. of the 7th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2008), pages 755-762, Estoril, Portugal, May 2008.

4.   Georgios Chalkiadakis, Evangelos Markakis, and Craig Boutilier: Coalition Formation under Uncertainty: Bargaining Equilibria and the Bayesian Core Stability Concept. In Proc. of the 6th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2007), pages 400-407, Honolulu, USA, May 2007.

3.    Georgios Chalkiadakis and Craig Boutilier: Coalitional Bargaining with Agent Type Uncertainty. In Proc. of the 20th International Joint Conference on Artificial Intelligence (IJCAI-07), pages 1227-1232, Hyderabad, India, January 2007.

2.   Georgios Chalkiadakis and Craig Boutilier: Bayesian Reinforcement Learning for Coalition Formation Under Uncertainty. In Proc. of the 3rd Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2004), pages 1090-1097, New York, USA, July 2004. Honorable Mention, Best Student Paper Award Finalist.

1.   Georgios Chalkiadakis and Craig Boutilier: Coordination in Multiagent Reinforcement Learning: A Bayesian Approach. In Proc. of the 2nd Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2003), pages 709-716, Melbourne, Australia, July 2003.    [Note: It is mistakenly mentioned/implied in the originally published paper (the version in this site is a corrected version) that the agents observe the rewards of others. This was not the case, nor was this observability assumption anywhere used or needed in our analysis. ]

 

Short papers [peer-reviewed, accepted as shorts]

6.    Michalis Mamakos and Georgios Chalkiadakis: Overlapping Coalition Formation via Probabilistic Topic Modeling. In Proc. of the 17th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2018), Stockholm, Sweden, July 2018. Long (arXiv.org) version | Short (AAMAS-2018 proceedings) version.

5.    Filippos Christianos and Georgios Chalkiadakis: Employing Hypergraphs for Efficient Coalition Formation with Application to the V2G Problem. In Proc. of the 22nd European Conference on Artificial Intelligence (ECAI-2016), The Hague, The Netherlands, August 2016.

4.    Angelos Chliaoutakis and Georgios Chalkiadakis: Evolutionary agent-based modeling of past societies’ organization structure.. In Proc. of the 22nd European Conference on Artificial Intelligence (ECAI-2016), The Hague, The Netherlands, August 2016.

3.    Charilaos Akasiadis and Georgios Chalkiadakis: Stochastic Filtering Methods for Predicting Agent Performance in the Smart Grid. . In Proc. of the 21st European Conference on Artificial Intelligence (ECAI-2014), Prague, Czech Republic, August 2014.

 An extended version of this paper, entitled Predicting Agent Trustworthiness for Large-Scale Power Demand Shifting , appeared in The AI for the Smart Grid Workshop (AI4SG) @ The 9th Hellenic Conference on Artificial Intelligence (SETN-2016), Thessaloniki, Greece, May 2016.

2.    Angelos Chliaoutakis and Georgios Chalkiadakis: Utilizing Agent-Based Modeling to Gain New Insights into the Ancient Minoan Civilization. In Proc. of the 13th Int. Conf. on Autonomous Agents and Multiagent Systems (AAMAS-2014), Paris, France, May 2014.

1. Valentin Robu, Ramachandra Kota, Georgios Chalkiadakis, Alex Rogers, and Nicholas R. Jennings: Cooperative Virtual Power Plant Formation Using Scoring Rules. In Proc. of the 11th Int. Conf. on Autonomous Agents and MultiagentSystems (AAMAS-2012), Valencia, Spain, June 2012.

 

Theses and Technical Reports

Georgios Chalkiadakis: A Bayesian Approach to Multiagent Reinforcement Learning and Coalition Formation under Uncertainty. PhD Thesis, Department of Computer Science, University of Toronto, 2007. Supervisor: Craig Boutilier

Georgios Chalkiadakis: An Agent-Based Architecture for the Conduction of Voting. Master of Science Thesis, Computer Science Department, University of Crete, 1999. Supervisor: Stelios Orphanoudakis  (The document is in greek.)

Georgios Chalkiadakis: Multiagent Reinforcement Learning: Stochastic Games With Multiple Learning Players. PhD Qualifying Depth Oral Report, Department of Computer Science, University of Toronto, 2003.

Dimitrios Katehakis, Georgios Chalkiadakis, Manolis Tsiknakis, and Stelios Orphanoudakis: A Distributed, Agent-Based Architecture for the Acquisition, Management, Archiving and Display of Real-Time Monitoring Data in the Intensive Care Unit (pdf) and (ps.gz), FORTH-ICS/TR-261, October 1999.

 

 

 

Georgios Chalkiadakis

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