AAAI–97 / IAAI–97 Program Committees

AAAI-97 Program Cochairs AAAI-97 Senior Program Committee Benjamin J. Kuipers, University of Texas at Austin Richard Belew, University of California, San Diego Bonnie Webber, University of Pennsylvania Gautam Biswas, Vanderbilt University Piero P. Bonissone, General Electric Corporate Research & AAAI-97 Associate Chair Development Christopher M. Brown, University of Rochester Ramesh Patil, University of Southern California / Information Sandra Carberry, University of Delaware Sciences Institute James Crawford, i2 Technologies Robert Engelmore, Stanford University IAAI-97 Conference Chair Susan L. Epstein, Hunter College David W. Etherington, University of Oregon Ted Senator, National Association of Securities Dealers Richard Fikes, Stanford University Tim Finin, University of Maryland Baltimore County IAAI-97 Conference Cochair Ken Forbus, Northwestern University Bruce Buchanan, University of Pittsburgh Stephen J. Hanson, Rutgers University Eric Horvitz, Microsoft Research Craig A. Knoblock, University of Southern California Hall of Champions Chair Kurt Konolige, SRI International Matthew L. Ginsberg, CIRL/University of Oregon Pat Langley, Daimler-Benz Research & Technology Center Steve Minton, University of Southern California Robot Building Laboratory Chair Leora Morgenstern, IBM TJ Watson Research Center Karen L. Myers, SRI International David Miller, KISS Institute for Practical Robotics David Poole, University of British Columbia Bruce Porter, University of Texas at Austin Robot Competition Chair Yves Schabes, Mitsubishi Electric Research Laboratories Howard Shrobe, Massachusetts Institute of Technology Ronald C. Arkin, Georgia Institute of Technology Artificial Intelligence Laboratory Candy Sidner, Lotus Development Corporation Student Abstract and Poster Chair Michael Wellman, University of Michigan Polly K. Pook, Massachusetts Institute of Technology AAAI-97 Program Committee Tutorial Cochairs David W. Aha, Naval Research Laboratory Bart Selman, ATT Laboratories Douglas E. Appelt, SRI International Brian C. Williams, NASA Ames Research Center Ron Arkin, Georgia Institute of Technology Lars Asker, California Institute of Technology/JPL Fahiem Bacchus, University of Waterloo Workshop Chair Chitta Baral, University of Texas at El Paso Raymond C. Mooney, University of Texas at Austin Hamid R. Berenji, IIS CORP/NASA Ames Research Center Pete Bonasso, Texas Robotics & Automation Center Doctoral Consortium Organizers Craig Boutilier, University of British Columbia Liz Bradley, University of Colorado Vibhu O. Mittal, University of Pittsburgh Marco Cadoli, Universitá di Roma "La Sapienza" Loren G. Terveen, AT&T Research Claire Cardie, Cornell University

xxviii Rama Chellappa, University of Maryland David Joslin, University of Oregon Luca Chittaro, Universitá di Udine Subbarao Kambhampati, Arizona State University Dan Clancy, University of Texas G. Neelakantan Kartha, i2 Technologies Peter Clark, The Boeing Company Michelle Kim, IBM T.J. Watson Research Center Paul Cohen, University of Massachusetts Hiroaki Kitano, Sony Computer Science Laboratory Gregory Cooper, University of Pittsburgh Daphne Koller, Stanford University Gary Cottrell, University of California, San Diego Dave Kortenkamp, Metrica Inc Robotics & Automation Bruce D'Ambrosio, Oregon State University Group Adnan Darwiche, American University of Beirut Jana Kosecka, University of California, Berkeley Ernie Davis, New York University Sarit Kraus, Bar Ilan University and University of Maryland Peter Dayan, Massachusetts Institute of Technology Franz Kurfess, New Jersey Institute of Technology Keith Decker, University of Delaware Robert Laddaga, Massachusetts Institute of Technology Dennis DeCoste, Jet Propulsion Laboratory Artificial Intelligence Lab Barbara M. Di Eugenio, University of Pittsburgh John Laird, University of Michigan Pedro Domingos, University of California, Irvine Reza Langari, Texas A&M University Richard Doyle, Jet Propulsion Laboratory Nancy Lehrer, ISX Corporation Denise Draper, Rockwell Science Center James Lester, North Carolina State University Didier Dubois, IRIT, Universite Paul Sabatier Alon Levy, AT&T Laboratories Edmund Durfee, University of Michigan Henry Lieberman, Massachusetts Institute of Technology Tom Ellman, Rutgers University Vladimir Lifschitz, University of Texas at Austin Francesc Esteva, IIIA-AI Research Institute, CSIC Jim Little, University of British Columbia Brian Falkenhainer, Wilson Center Karen E. Lochbaum, U S WEST Advanced Technologies Adam Farquhar, Stanford University Ramon Lopez de Mantaras, IIIA-AI Research Institute, CSIC George Ferguson, University of Rochester Mitch Marcus, University of Pennsylvania R. James Firby, University of Chicago James Mayfield, Johns Hopkins APL Margaret Fleck, University of Iowa Kathleen F. McCoy, University of Delaware Eugene C. Freuder, University of New Hampshire Donald P. McKay, Lockheed Martin Nir Friedman, University of California Susan McRoy, University of Wisconsin-Milwaukee Hector Geffner, Universidad Simon Bolivar Melanie Mitchell, Santa Fe Institute Jack Gelfand, Princeton University Ray Mooney, University of Texas at Austin Yolanda Gil, USC/Information Sciences Institute Mike Mozer, University of Colorado Matthew L. Ginsberg, University of Oregon Robin R. Murphy, Colorado School of Mines Attilio Giordana, University of Torino Nicola Muscettola, NASA Ames Research Center Janice Glasgow, Queen's University Mark Musen, Stanford University School of Medicine Ashok K. Goel, Georgia Institute of Technology Robert A. Nado, Price Waterhouse Technology Centre Moises Goldszmidt, SRI International Dana Nau, University of Maryland Jonathan Gratch, University of Southern California P. Pandurang Nayak, NASA Ames Research Center Adam Grove, NEC Researach Institute Bernard Nebel, Albert-Ludwigs-Universitat Freiburg Larry Hall, University of South Florida Peter Norvig, Junglee Corporation Joe Halpern, Cornell University David G. Novick, Eurisco Inman Harvey, University of Sussex Yun Peng, University of Maryland Baltimore County Caroline Hayes, University of Illinois Mark Alan Peot, Knowledge Industries Marti Hearst, Xerox Palo Alto Research Center Fernando Pereira, AT&T Laboratories-Research James Hendler, University of Maryland Greg Provan, Rockwell Science Center Tad Hogg, Xerox Palo Alto Research Center Rajesh P.N. Rao, University of Rochester Robert Holte, University of Ottawa Jeff Rickel, USC/Information Sciences Institute John Hooker, Carnegie Mellon University Nicolas Rouqette, Jet Propulsion Laboratory John Horty, University of Maryland Enrique H. Ruspini, SRI International Adele Howe, Colorado State University Tuomas Sandholm, Washington University Marcus J. Huber, Orincon Corporation Ethan Scarl, Boeing Defense and Space Michael Huhns, University of South Carolina Jonathan Schaeffer, University of Alberta Wayne Iba, Institute for the Study of Learning & Expertise Torsten Schaub, LERIA, Universite d'Angers Mark Johnson, Brown University Donia R. Scott, University of Brighton Randolph Jones, University of Michigan Bart Selman, AT&T

xxix Steven Shafer, Microsoft Corporation Yannis Dimopoulos Murray Shanahan, Queen Mary and Westfield College Roger Evans Reid Simmons, Carnegie Mellon University Helene Fargier Wolfgang Slany, Technische Universitaet Wien Pere Garcia David E. Smith, Rockwell Science Center Meirav Hadad Stephen F. Smith, Carnegie Mellon University Tony Hartley Edward Stabler, University of California, Los Angeles Andreas Herzig Thomas F. Stahovich, Carnegie Mellon University Laurie Ihrig Ron Sun, University of Alabama Phillip Johnson-Laird Richard S. Sutton, University of Massachusetts Andreas Junghanns Bill Swartout, USC/Information Sciences Institute Jana Koehler Katia Sycara, Carnegie Mellon University Philippe Laborie Prasad Tadepalli, Oregon State University Eric Lambrecht Moshe Tennenholtz, Technion-Israel Institute of Technology Jerome Lang Loren Terveen, AT&T Laboratories Xiaomin Li Gerald Tesauro, IBM TJ Watson Research Center Sean Luke Daniele Theseider Dupré, Universita' di Torino Joel Martin William B. Thompson, University of Utah Pedro Meseguer Sebastian Thrun, Carnegie Mellon University Stefano Monti Geoff Towell, Siemens Corporate Research Hiroshi Motoda John K. Tsotsos, University of Toronto Aske Plaat Jeff Van Baalen, University of Wyoming David Pynadath Peter van Beek, University of Alberta Jochen Renz Richard Waldinger, SRI International Marie-Christine Rousset Richard Washington, CRIN-CNRS&INRIA-Lorraine Christer Samuelsson Takashi Washio, Osaka University Orna Schechter Darrell Whitley, Colorado State University Rina Schwartz Mary-Anne Williams, University of Newcastle Onn Shehory Kent Wittenburg, GTE Laboratories John Slaney Michael Wolverton, SRI International Biplav Srivastava Yang Xiang, University of Regina Reinhard Stolle Qiang Yang, Simon Fraser University Tomas Uribe David Yarowsky, Johns Hopkins University Dan Weld Nevin Lianwen Zhang, Hong Kong University of Science & Geoff Zweig Technology Feng Zhao, Ohio State University IAAI-97 Program Committee Ingrid Zukerman, Monash University Monte Zweben, PeopleSoft Bruce Buchanan, University of Pittsburgh Jan M. Zytkow, Wichita State University Steve Cross, Carnegie Mellon University Philip Klahr, Inference Corporation Alain Rappaport, Neuron Data AAAI-97 Auxiliary Reviewers Charles Rosenberg, IS Robotics John Mark Agosta Ted Senator, National Association of Securities Dealers Constantin Aliferis Howard E. Shrobe, Massachusetts Institute of Technology Sean Argamon (Engelson) Reid Smith, Schlumberger Cambridge Research Christopher Bailey-Kellogg Marilyn Walker, ATT Laboratories William Bares Philippe Besnard Nikolaj Bjorner Yngvi Bjornsson Jack Breese Charles Callaway John Crossley Esther David

xxx