FIRST INTERDISCIPLINARY SYMPOSIUM ON ONLINE REPUTATION MECHANISMS

Cambridge, Massachusetts, April 26-27, 2003               

Program                     

Saturday April 26, 2003            

8:30-9:00               Registration

 9:00-9:30              Introduction and Overview

 9:30-11:00            Industry Panel

                        Session Chair: Peter Kollock (UCLA )

                        Panelists: 

                      ·        Brian Burke, Manager, eBay
                      ·        Amjad Hanif, Manager, eBay
                      ·        Alexis Johnson Manager, Epinions
                      ·        Giorgos Zacharia, Chief Scientist, Open Ratings

 11:00-11:15           Break

 11:15-12:15           Panel: Field Studies on Impact of Reputations                 

Session Chairs: David Reiley (U. of Arizona) and Paul Resnick (U. Michigan )

                        Panelists:

·        David Eaton (Murray State U. ) paper

·        Jeffrey Livingston (U. Maryland ) paper

·        Mikhail Melnik (Georgia State University ) paper

·        Pai-Ling Yin (Stanford ) paper

·        Sulin Ba (U. Connecticut)

 12:15-13:30            Lunch  

 13:30-15:00            Distributed Reputation Mechanisms    

                        Session Chair: Roger Dingledine (The Free Haven Project)

                        Papers:

·        Extracting Reputation in Multi Agent Systems by Means of Social Network Topology. Josep M. Pujol, Ramon Sanguesa and Jordi Delgado (Technical U. of Catalonia) paper

·        Referrals for Reputation. Munindar P. Singh (North Carolina State U.)

·        Trust and Reputation in P2P Networks. Zoran Despotovic and Karl Aberer (EPFL Switzerland) paper

 15:00-15:15            Break

 15:15-16:45            Theory and Simulation 

                        Session Chair: Steve Tadelis (Stanford)     

                        Papers:

·        Is Bigger Better? Customer Base Expansion through Word of Mouth Reputation. Arthur Fishman (Bar Ilan U.) and Rafael Rob (U. of Pennsylvania) paper

·        When is Reputation Bad? Jeffrey Ely (Northwestern U.) Drew Fudenberg (Harvard) David Levine (UCLA) paper

·        The Dynamics of Reputation. Bernardo Huberman and Fang Wu (Stanford U.) paper

 16:45-17:00            Break

17:00-18:00            Boasters Session I   

·        The ReGreT system. Jordi Sabater (IIIA-CSIC) and Carles Sierra (IIIA-CSIC)

·         Reputation in Anonymity Systems. Roger Dingledine (The Free Haven Project) paper   paper

·         Incentive Compatible Reputation Mechanisms. Radu Jurca (EPFL) and Boi Faltings (EPFL).

·        A Reputation Systems Evaluation Framework. Audun Josang (DSTC) Shane Hird (DSTC) and Eric Faccer (DSTC) paper

·        Employing limited-trust chains to limit the effect of manipulation of reputations in online communities. Vineet Kumar (UCSD)

·        The role of reputation in virtual markets for wireless grids. James Howison (Syracuse U.)

 18:00-??            Dinner, MIT Faculty Club    

Sunday April 27, 2003                                 

9:00-10:00            Boasters Session II      

·        Decomposing Reputation Effects: Sanctioning or Signaling? Ko Kuwabara (Cornell Univeristy)

·        Something to prove: uncertainty and reputation. Heski Bar-Isaac (CMS-EMS and LSE) paper

·        Buyer Fatigue: How Seller Reciprocation and Experience Impact Buyers' Participation in Reputation Systems. Chrysanthos Dellarocas (MIT) Ming Fan (U. Washington) and Chuck Wood (U. of Notre Dame)

·        A mental model approach for understanding how reputation systems work. Viswanath Avasarala (Penn State U.)

·        Reputation in Online Professional Guilds. Cynthia Typaldos (Working Persona | Software Product Marketing eGroup) paper paper

·        Off-line and On-line Reputation in a New Car Market: Demand for cars on eBay. Christopher Adams (Federal Trade Commision)

10:00-10:30            Research prototypes

·        PACT -- A reputation based message board. Eric Friedman (Cornell U.) paper

·        Social accounting measures of conversational social cyberspaces. Marc A. Smith (Microsoft Research) website

 10:30-10:45            Break

 10:45-12:15            Panel: Lab Experiments                 

Session Chair: Michael Macy, Cornell U.       

                        Panelists:         

·        Gary Bolton (Penn State U.)

·        Martin Ekstrom (Stanford U. )

·        Dan Houser (George Mason U.)

                        ·         Axel Ockenfels (Max-Planck Institute)     

·        Toshio Yamagishi (Hokkaido U. ) paper

  12:15-13:15            Lunch

 13:15-14:45            Eliciting Ratings and Computing Reputations

                        Session Chair:  Drazen Prelec (MIT )

                        Papers:

·        Eliciting Honest Feedback in Electronic Markets. Nolan Miller (Harvard) Paul Resnick (Univ. of Michigan) and Richard Zeckhauser (Harvard) paper

·        Efficiency and Robustness of Binary Feedback Mechanisms in Trading Environments with Moral Hazard. Chrysanthos Dellarocas (MIT) paper

·        Managing Brands in e-Business: an Experimental Study of Trust and Reputation Management. Claudia Keser (IBM Research) paper

  14:45-15:00            Break

 15:00-16:00            Wrapup Session: What the field needs now

                        Session Chairs: Chris Dellarocas (MIT) and Paul Resnick. (U. Michigan)

16:00               Symposium Ends