PUBLICATIONS

Journal Papers

Chen Hajaj, Noam Hazon and David Sarne, Improving Comparison Shopping Agents’ Competence through Selective Price Disclosure, Electronic Commerce Research Chen Hajajand Applications (ECRA). (PDF, bib)
Chen Hajaj, Noam Hazon and David Sarne, Enhancing Comparison Shopping Agents through Ordering and Gradual Information Disclosure, to appear in Autonomous Agents and Multi-Agent Systems (JAAMAS). (PDF)
Chen Hajaj and David Sarne, Selective Opportunity Disclosure at the Service of Strategic Information Platforms, to appear in Autonomous Agents and Multi-Agent Systems (JAAMAS). (PDF, bib)

Papers in Referred Conferences

Chen Hajaj and Yevgeniy Vorobeychik. Adversarial task assignment. In International Joint Conference on Artificial Intelligence and European Conference on Artificial Intelligence (IJCAI-ECAI 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. In American Medical Informatics Association (AMIA 2018).
Avshalom Elmalech, David Sarne, Esther David and Chen Hajaj. Enhancing Crowdworkers’ Vigilance. In International Joint Conference on Artificial Intelligence (IJCAI 2017).
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). Best paper finalist (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, bib)
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).
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, bib)
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, bib)
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 2013). (PDF, bib)

Short Paper and Referred Workshops

Chen Hajaj, Sixie Yu, Zlatko Joveski and Yevgeniy Vorobeychik. Adversarial Coordination on Social Networks. In The AAMAS-IJCAI workshop on agents and incentives in artificial intelligence (AI^3)
Jian Lou, Chen Hajaj, Myrna Wooders and Yevgeniy Vorobeychik. Automated Mechanism Design for the Roommates Problem. In The AAMAS-IJCAI workshop on agents and incentives in artificial intelligence (AI^3)
Jian Lou, Martin Van der Linden, Pranav Batra, Chen Hajaj, Greg Leo, Yevgeniy Vorobeychik and Myrna Wooders. Rotating Proposer Mechanisms for Team Formation. In Workshop on Cooperative Games in Multiagent Systems (CoopMAS 2017). Most visionary paper.
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 2014). (PDF, bib)

Chen Hajaj

Industrial Engineering and Management

Ariel University

Publications

Journal Papers

Chen Hajaj, Noam Hazon and David Sarne, Improving Comparison Shopping Agents’ Competence through Selective Price Disclosure, Electronic Commerce Research Chen Hajajand Applications (ECRA). (PDF, bib)

Chen Hajaj, Noam Hazon and David Sarne, Enhancing Comparison Shopping Agents through Ordering and Gradual Information Disclosure, to appear in Autonomous Agents and Multi-Agent Systems (JAAMAS). (PDF)

Chen Hajaj and David Sarne, Selective Opportunity Disclosure at the Service of Strategic Information Platforms, to appear in Autonomous Agents and Multi-Agent Systems (JAAMAS). (PDF, bib)

Papers in Referred Conferences

Chen Hajaj and Yevgeniy Vorobeychik. Adversarial task assignment. In International Joint Conference on Artificial Intelligence and European Conference on Artificial Intelligence (IJCAI-ECAI 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. In American Medical Informatics Association (AMIA 2018).

Avshalom Elmalech, David Sarne, Esther David and Chen Hajaj. Enhancing Crowdworkers’ Vigilance. In International Joint Conference on Artificial Intelligence (IJCAI 2017).

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). Best paper finalist (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, bib)

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).

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, bib)

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, bib)

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 2013). (PDF, bib)

Short Paper and Referred Workshops

Chen Hajaj, Sixie Yu, Zlatko Joveski and Yevgeniy Vorobeychik. Adversarial Coordination on Social Networks. In The AAMAS-IJCAI workshop on agents and incentives in artificial intelligence (AI^3)

Jian Lou, Chen Hajaj, Myrna Wooders and Yevgeniy Vorobeychik. Automated Mechanism Design for the Roommates Problem. In The AAMAS-IJCAI workshop on agents and incentives in artificial intelligence (AI^3)

Jian Lou, Martin Van der Linden, Pranav Batra, Chen Hajaj, Greg Leo, Yevgeniy Vorobeychik and Myrna Wooders. Rotating Proposer Mechanisms for Team Formation. In Workshop on Cooperative Games in Multiagent Systems (CoopMAS 2017). Most visionary paper.

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 2014). (PDF, bib)