Journal Articles

The First International Trading Agent Competition: Autonomous Bidding Agents
• This article provides an overview of strategies developed for the First International Trading Agent Competition.
• Electronic Commerce Research: Special Issue on Dynamic Pricing. Springer, 5:229-265, 2005.
• Joint work with Peter Stone.
• [ps] [pdf] [abstract]
  

Bidding Algorithms for Simultaneous Auctions: A Case Study

• This paper introduces RoxyBot, one of the top-scoring agents in the First International Trading Agent Competition.
• Journal of Autonomous Agents and Multiagent Systems. Springer, 10(1):67-89, 2005
• Joint work with Justin Boyan.
• [ps] [pdf] [abstract]
  

The 2001 Trading Agent Competition

• This article provides an overview of strategies developed for the 2001 Trading Agent Competition.
• Electronic Markets. Routledge, 13(1):4-12, 2003.
• Joint work with Michael Wellman, Peter Stone, and Peter Wurman.
• [doc]
  

Learning Curve: A Simulation-based Approach to Dynamic Pricing

• This article describes Learning Curve, a simulation tool designed and implemented to assist sellers analyze dynamic pricing strategies in markets with finite, fluctuating buyer demand.
• Electronic Commerce Research: Special Issue on Aspects of Internet Agent-based E-Business Systems. Kluwer Academic Publishers, 3(3-4):245-276, 2003.
• Joint work with Joanie Morris and Pattie Maes.
• [pdf]
  

Shopbot Economics

• This research is concerned with the potential impact of automated buyer search on electronic markets.
• Autonomous Agents and Multi-Agent Systems: Special Issue on Game-theoretic and Decision-theoretic Agents. Kluwer Academic Publishers, 5(3):255-287, 2002.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

Learning in Networks Contexts: Experimental Results from Simulations

• This paper describes the results of simulations of a suite of learning algorithms in network contexts.
• Games and Economic Behavior: Special Issue on Economics and Artificial Intelligence. Academic Press, 35(1/2):80-123, 2001.
• Joint work with Scott Shenker and Eric Friedman.
• [ps] [pdf] [abstract]
  

Dynamic Pricing by Software Agents

• This paper provides insights into a future global economy composed of a multitude of information agents.
• Computer Networks: Special Issue on Trends and Research in E-Commerce. Elsevier, 32(6):731-752, 2000.
• Joint work with Jeff Kephart and Jim Hanson.
• [ps] [pdf] [abstract]
  

Bidding Under Uncertainty: Theory and Experiments
• This paper described a study of bidding strategies in three auction environments.
• Proceedings of the 20th Conference on Uncertainty in Artificial Intelligence. Pages 209-216, July, 2004.
• Joint work with Justin Boyan.
• [ps] [pdf] [abstract]
  

Botticelli: A Supply Chain Management Agent

• This paper describes the architecture of Brown University's agent, Botticelli, a finalist in the 2003 Trading Agent Competition in Supply Chain Management (TAC SCM).
• Proceedings of the 3rd International Conference on Autonomous Agents and Multiagent Systems. Volume 3, pages 1174-1181, July, 2004.
• Joint work with Mike Benisch, Ioanna Grypari, Roger Lederman, Victor Naroditskiy, and Michael Tschantz
• [ps] [pdf] [abstract]
  

A Stochastic Programming Approach to TAC SCM

• In this paper, the TAC SCM scheduling problem is formulated as a stochastic program, and is solved using the sample average approximation method.
• Proceedings of the 5th ACM Conference on Electronic Commerce. Pages 152-160, May, 2004.
• Joint work with Mike Benisch, Victor Naroditskiy, and Michael Tschantz
• [ps] [pdf] [abstract]
  

A Computational Approach to Compare Information Revelation Policies

• This article describes a computational approach to the study of information revelation policies in online auctions.
• Proceedings of the International Conference on Information Systems. Pages 709-716, December, 2003.
• Joint work with Karthik Kannan and Ramayya Krishnan
• [ps] [pdf] [abstract]

A General Class of No-Regret Algorithms and Game-Theoretic Equilibria

• This article defines a general class of no-regret learning algorithms and proves convergence to corresponding game-theoretic equilibria.
• Proceedings of the 2003 Computational Learning Theory Conference. Pages 1-11, August, 2003.
• Joint work with Amir Jafari.
• [ps] [pdf] [abstract]
  

Correlated Q-Learning

• This paper introduces correlated Q-learning, a reinforcement learning algorithm for computing correlated equilibrium policies in Markov games.
• Proceedings of the Twentieth International Conference on Machine Learning. Pages 242 - 249, 2003.
• Joint work with Keith Hall.
• [ps] [pdf] [abstract]
  

Bidding Marginal Utility in Simultaneous Auctions

• This paper describes a study of agent bidding strategies in sequential auctions, simultaneous auctions, and the TAC Classic (hotel) auction design, which is a hybrid of sequential and simultaneous auctions.
• Proceedings of the 18th International Joint Conference on Artificial Intelligence. Pages 1463-1464, August, 2003.
• [ps] [pdf] [abstract]
  

Fair and Efficient Solutions to the Santa Fe Bar Problem

• This paper describes algorithms for learning fair and efficient equilibria in the Santa Fe Bar Problem.
• In Proceedings of the Grace Hopper Celebration of Women in Computing 2002. Vancouver, October, 2002.
• Joint work with Julie Farago and Keith Hall.
• [ps] [pdf] [abstract]
  

The 2001 Trading Agent Competition

• This article provides an overview of strategies developed for the 2001 Trading Agent Competition.
• In Proceedings of the Fourteenth Innovative Applications of Artificial Intelligence Conference, Edmonton, August, 2002.
• Joint work with Michael Wellman, Peter Stone, and Peter Wurman.
• [doc]
  

Bidding Algorithms for Simultaneous Auctions: A Case Study

• This paper introduces RoxyBot, one of the top-scoring agents in the First International Trading Agent Competition.
• In Proceedings of the Third ACM Conference on Electronic Commerce. pages 115-124, Tampa, October, 2001.
• Joint work with Justin Boyan.
• [ps] [pdf] [abstract]
  

Bid Determination in Simultaneous Auctions: An Agent Architecture

• This paper introduces a generic agent architecture for bid determination problems in simultaneous auctions.
• In Proceedings of the Third ACM Conference on Electronic Commerce. pages 210-212, Tampa, October, 2001.
• Joint work with Justin Boyan
• [ps] [pdf] [abstract]
  

Learning Curve: Analysis of an Agent Pricing Strategy under Varying Conditions

• In Proceedings of the 2001 International Conference on Artificial Intelligence pages 1135-1141, June, 2001.
• Joint work with Joanie Morries and Pattie Maes
• [ps] [pdf] [abstract]
  

Dynamic Pricing Strategies under a Finite Time Horizon

• In Proceedings of the Third ACM Conference on E-Commerce. Pages 95-104, October, 2001.
• Joint work with Joanie Morris and Pattie Maes
• [ps] [pdf] [abstract]
  

On No-Regret Learning, Fictitious Play, and Nash Equilibrium

• This paper characterizes the dynamics of multi-agent no-regret learning.
• In Proceedings of the Eighteenth International Conference on Machine Learning, pages 226-223, Williamstown, June, 2001.
• Joint work with Amir Jafari, David Gondek, and Gunes Ercal.
• [ps] [pdf] [abstract]
  

Probabilistic Pricebots

• This paper investigates the game-theoretic dynamics of pricebots that employ randomized pricing algorithms.
• In Proceedings of the Fifth International Conference on Autonomous Agents, pages 560-567, Montreal, May, 2001.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

Strategic Pricebot Dynamics

• This paper is a comparative study of pricebot strategies with varying informational and computational requirements.
• In Proceedings of the First ACM Conference on Electronic Commerce, pages 58-67, Denver, October, 1999.
• Joint work with Jeff Kephart and Gerry Tesauro.
• [ps] [pdf] [abstract]
  

Shopbots and Pricebots

• This research concerns the impact of automated seller pricing on electronic markets.
• In Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, pages 506-511, Stockholm, Sweden, August 1999.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

Shopbot Economics

• This research is concerned with the potential impact of automated buyer search on electronic markets.
• In Proceedings of The Fifth European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty, pages 208-220, London, England, July 1999.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

Shopbot Economics
• This research is concerned with the potential impact of automated buyer search on electronic markets.
• Game Theory and Decision Theory in Agent-based Systems, S. Parsons, P. Gmytrasiewicz, and M.J. Wooldridge, Editors. Kluwer Academic Publishers, 2002.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

Shopbots and Pricebots

• This research concerns the impact of automated seller pricing on electronic markets.
• Agent Mediated Electronic Commerce II, A. Moukas, C. Sierra, and F. Ygge, Editors. Lecture Notes in Artificial Intelligence, Volume 1788, Springer-Verlag, 2000.
• Joint work with Jeff Kephart.
• [ps] [pdf] [abstract]
  

The Science Diversity Workshop
• This article describes a faculty seminar hosted by the Dean of the College, Paul Armstrong, in which we investigated two pressing concerns: Why do the Sciences Lack diversity? And what can be done about it?.
• Conduit, 14(2):25-26, 2005.
  

Botticelli: A Supply Chain Management Agent Designed to Optimize under Uncertainty

• This article describes Botticelli, Brown's entrant in the first International Trading Agent Competition in Supply Chain Management (TAC SCM).
• SIGecom Exchanges, 4(3):29-37, 2004.
  
• Joint work with Mike Benisch, Ioanna Grypari, Roger Lederman, Victor Naroditskiy, and Michael Tschantz.

The 2002 Trading Agent Competition: An Overview of Agent Strategies

• This article analyzes the 2002 Trading Agent Competition.
• AI Magazine, 24(1):83-91, 2003.
  

The International Trading Agent Competition: Focus on RoxyBot

• This article describes RoxyBot, one of the top-scoring agents in the Trading Agent Competition.
• Computing Research News, page 3, November 2002.
  

Autonomous Bidding Agents in the Trading Agent Competition

• This article summarizes the bidding strategies of the agents in the first international trading agent competition.
• Internet Computing, Special Issue on Virtual Markets, April 2001.
• Joint work with Peter Stone.

Internet Agent Economics: A Trading Agent Competition

• This article describes RoxyBot, Brown's entrant in the first International Trading Agent Competition (TAC Travel).
• Conduit, 9(2):1-4, 2000.
  

When Bots Collide

• This popular piece describes how simulations help companies optimize their use of shopbots and pricebots.
• Harvard Business Review, Forethought, pages 17-18, July-August, 2000.
• Joint work with Jeff Kephart.