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]

Conference Proceedings

    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

    The 2001 Trading Agent Competition

    Bidding Algorithms for Simultaneous Auctions: A Case Study

    Bid Determination in Simultaneous Auctions: An Agent Architecture

    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

    Probabilistic Pricebots

    Strategic Pricebot Dynamics

    Shopbots and Pricebots

    Shopbot Economics

Book Chapters

    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]

Magazine Articles

    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.