Accepted Brief Announcements

A Game Tree Strategy for Automated Negotiation
Authors: Alan Karp, Ren Wu, Kay-Yut Chen, and Alex Zhang

Transitive Voting
Author: Moshe Tennenholtz

HYRIWYG: Leveraging Personalization to Elicit Honest Recommendations
Authors: Ana Cristina Garcia, Martim Ekstrom, and Hans Björnsson

Experimental Study of Market Reputation Mechanisms
Authors: Kay-Yut Chen and Tad Hogg

Enhancing Reputation Mechanisms via Online Social Networks
Authors: Tad Hogg and Lada Adamic

Presentation and Structure of Substitutes Valuations
Authors: Meir Bing, Daniel Lehmann, and Paul Milgrom

Object AURAs: A mobile retail and product annotation system
Authors: Marc Smith, Duncan Davenport, Howard Hwa, and Tammara Combs Turner

Cross-Monotonic Cost-Sharing Methods for Connected Facility Location Games
Authors: Stefano Leonardi and Guido Schaefer

Worst-Case Payoffs of a Location Game
Authors: Shuchi Chawla, Uday Rajan, R. Ravi, and Amitabh Sinha

Behavioral Mechanism Design as an Online Marketing Tool
Authors: Yoav Shoham and Moshe Tennenholtz

On the economic payoff of forensic systems when used to trace counterfeited software and content
Author: Yacov Yacobi

Simple Primal-Dual Auctions Are Not Possible
Author: Debasis Mishra

On the Expected Payment of Mechanisms for Task Allocation
Authors: Amir Ronen and Czumaj Artur

SNACK: Incorporating Social Network Information in Automated Collaborative Filtering
Author: Chuck Lam

A Hybrid Negotiation Strategy Mechanism in an Automated Negotiation System
Authors: Sheng Zhang, Song Ye, Fillia Makedon, and James Ford

Addressing the Free-Rider Problem in File-Sharing Systems: A Mechanism- Design Approach
Authors: Ryan Porter and Yoav Shoham

Utility-Based Neighbourhood Formation for Efficient and Robust Collaborative Filtering
Authors: Michael O. Mahony, Neil Hurley, and Guenole Silvestre

Computational Criticisms of the Revelation Principle
Authors: Vincent Conitzer and Tuomas Sandholm

Strategic Deliberation and Truthful Revelation: An Impossibility Result
Authors: Kate Larson and Tuomas Sandholm

Revenue failures and collusion in combinatorial auctions and exchanges with VCG payments
Authors: Vincent Conitzer and Tuomas Sandholm

Auction Mechanism for Optimally Trading Off Revenue and Efficiency in Multi-unit Auctions
Authors: Anton Likhodedov and Tuomas Sandholm