Chapters in Refereed Books
- Sofia Ceppi, Esther David, Chen Hajaj, Valentin Robu, and Ioannis Vetsikas, editors, Agent-Mediated Electronic Commerce: Designing Trading Strategies and Mechanisms for Electronic Markets, Springer, 2017.(PDF)
Journal Papers
- Chen Hajaj and David Sarne, Selective Opportunity Disclosure at the Service of Strategic Information Platforms, submitted to Autonomous Agents and Multi-Agent Systems (JAAMAS). (PDF)
- Chen Hajaj, Noam Hazon, and David Sarne, Enhancing Comparison Shopping Agents through Ordering and Gradual Information Disclosure, Autonomous Agents and Multi-Agent Systems (JAAMAS).(PDF)
- Chen Hajaj, Noam Hazon, and David Sarne, Improving Comparison Shopping Agents’ Competence through Selective Price Disclosure, Electronic Commerce Research and Applications (ECRA).(PDF)
Papers in Refereed Conferences
- Chen Hajaj and Yevgeniy Vorobeychik, Adversarial Task Assignment (PDF), In Proceedings of the 27th International Joint Conference on Artificial Intelligence and the 23rd European Conference on Artificial Intelligence (IJCAI 2018).
- Cheng Ye, Joseph Coco, Anna Epishova, Chen Hajaj, Henry Bogardus, Laurie Novak, Joshua Denny, Yevgeniy Vorobeychik, Thomas Lasko, Bradley Malin and Daniel Fabbri, A Crowdsourcing Framework for Medical Data Sets (AMIA 2018 Informatics Summit).(PDF)
- Avshalom Elmalech, David Sarne, Esther David and Chen Hajaj, Enhancing
Crowdworkers’ Vigilance, In Proceedings of the Twenty-Sixth International Joint
Conference on Artificial Intelligence (IJCAI-17).(PDF) - Avshalom Elmalech, David Sarne, Esther David and Chen Hajaj, Extending Workers’ Attention Span Through Dummy Sub-Goals, In Proceedings of The Fourth AAAI Conference on Human Computation and Crowdsourcing (HCOMP 2016).(PDF)
- Chen Hajaj, John P. Dickerson, Avinatan Hassidim, Tuomas Sandholm and David
Sarne, Strategy-Proof and Efficient Kidney Exchange Using a Credit Mechanism, In Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence (AAAI-15).(PDF) - Tal Darom, Yaniv Gur, Chen Hajaj and Yosi Keller, Automatic Anatomical Shape Correspondence and Alignment Using Mesh Features, In Proceedings of International Symposium on Biomedical Imaging (ISBI-15).(PDF)
- Chen Hajaj and David Sarne, Strategic Information Platforms – Selective Disclosure and The Price of “Free”, In Proceeding of The Fifteenth ACM Conference on Economics and Computation (EC-14).(PDF)
- Chen Hajaj, Noam Hazon, and David Sarne Ordering Effects and Belief Adjustment in the Use of Comparison Shopping Agents, In Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence (AAAI-14).(PDF)
- Chen Hajaj, Noam Hazon, David Sarne and Avshalom Elmalech, Search More, Disclose Less, In Proceedings of the Twenty-Seventh AAAI Conference on Artificial Intelligence (AAAI-13).(PDF)
Submitted Papers
- Chen Hajaj, Sixie Yu, Zlatko Joveski and Yevgeniy Vorobeychik, Adversarial Coordination on Social Networks (PDF).
- Liang Tong, Bo Li, Chen Hajaj, Chaowei Xiao and Yevgeniy Vorobeychik, Hardening Classifiers against Evasion: the Good, the Bad, and the Ugly. (PDF)
- Matthew Chambers, Chen Hajaj, Greg Leo, Jian Lou, Martin Van der Linden, Yevgeniy Vorobeychik and Myrna Wooders, Centralized and Decentralized Team Formation. (PDF)
- Jian Lou, Chen Hajaj, Myrna Wooders and Yevgeniy Vorobeychik, Automated Mechanism Design for the Roommates Problem (PDF).
- Joseph Coco, Cheng Ye, Chen Hajaj, Yevgeniy Vorobeychik, Joshua Denny, Laurie Novak, Bradley Malin, Tom Lasko and Daniel Fabbri, Crowdsourcing Clinical Chart Reviews.
Short and Position Papers
- Jian Lou, Martin Van der Linden, Pranav Batra, Chen Hajaj, Greg Leo, Yevgeniy Vorobeychik and Myrna Wooders, Rotating Proposer Mechanisms for Team Formation (CoopMAS-17). Most visionary paper.(PDF)
- Chen Hajaj, David Sarne, and Lea Perets, Advanced Service Schemes for a Self-Interested Information Platform, In Proceedings of the Thirteenth International Conference on Autonomous Agents and Multiagent Systems (AAMAS-14).(PDF)
Thesis and Dissertation