From: AAAI-91 Proceedings. Copyright ©1991, AAAI (www.aaai.org). All rights reserved.
Organization of the American Association
for Artificial Intelligence
1991 National Conference on Artificial Intelligence
Program Cochairs
Thomas L. Dean, Brown University
Kathleen McKeown, Columbia University
Associate Chairs
Andrea P. Danyluk, Columbia University
Sarah Rebecca Thomas, Stanford University
Invited Speaker Chair
Ray Perrault, SRI International
Program Committee
Sanjaya Addanki, IBM
Alice Agogino, University of California, Berkeley
Kevin Ashley, University of Pittsburgh
Fahiem Bacchus, University of Waterloo
Lawrence Birnbaum, Northwestern University
Ruud Bolle, IBM
Wray Buntine, NASA Ames Research Center
Tom Bylander, Ohio State University
Gregg Collins, Northwestern University
Johan de Kleer, Xerox PARC
Rina Dechter, University of California, Irvine
Charles Dolan, Hughes Research Lab
Edmund Durfee, University of Michigan
Charles Elkan, University of California, San Diego
Tom Ellman, Rutgers University
Lee Erman, Cimflex Teknowledge Corp
David Etherington, AT&T Bell Laboratories
Brian Falkenhainer, Xerox PARC
Steve Feiner, Columbia University
Gerhard Fischer, University of Colorado, Boulder
Doug Fisher, Vanderbilt University
Eugene Freuder, University of New Hampshire
Alan Frisch, University of Illinois
Les Gasser, USC
Hector Geffner, IBM Corporation
Matthew Ginsberg, Stanford University
John Grefenstette, Naval Research Lab
Benjamin Grosof, IBM T. J. Watson Research Center
Kristian Hammond, University of Chicago
Walter Hamscher, Price Waterhouse Technology Ctr
Steve Hanks, University of Washington
Barbara Hayes-Roth, Stanford University
James Hendler, University of Maryland
Donald Hindle, AT&T Bell Laboratories
Graeme Hirst, University of Rochester
Yumi Iwasaki, Stanford University
Paul Jacobs, GE Research and Development Ctr
Leo Joskowicz, IBM
Leslie Kaelbling, Teleos Research
Avi Kak, Purdue University
Henry Kautz, AT&T Bell Laboratories
Michael Kearns, ICSI
Rich Keller, NASA Ames Research Center
John Kender, Columbia University
Richard Kittredge, University of Montreal
Kurt Konolige, SRI International
Richard Korf, University of California, Los Angeles
Vipin Kumar, University of Minnesota
Pat Langley, NASA Ames Research Center
Wendy Lehnert, University of Massachusetts
Bill Mark, Lockheed Palo Alto Research Labs
Charles Martin, University of Chicago
David McAllester, MIT AI Lab
Drew Vincent McDermott, Yale University
Steve Minton, NASA Ames Research Center
Leora Morgenstern, IBM Corporation
Paul Morris, IntelliCorp
Jack Mostow, Rutgers University
Robert Nado, Price Waterhouse Technology Centre
Dana Nau, University of Maryland
Terry Nutter, Virginia Tech
Becky Passoneau, Columbia University
Ramesh Patil, USC/ISI
Judea Pearl, University of California, Los Angeles
Ed Pednault, AT&T Bell Laboratories
Don Perlis, University of Maryland
Peter Pirolli, University of California, Berkeley
Martha Pollack, SRI International
Robin Popplestone, University of Massachusetts
Bruce Porter, University of Texas at Austin
Larry Rendell, University of Illinois at UrbanaChampaign
Chuck Rich, MIT AI Lab
Paul Rosenbloom, USC/ISI
Jeff Rosenschein, Hebrew University
Jeff Schlimmer, Carnegie Mellon University
Len Schubert, University of Rochester
Glenn Shafer, University of Kansas
Jude Shavlik, University of Wisconsin-Madison
Yoav Shoham, Stanford University
Howard Shrobe, Symbolics/MIT
Reid Simmons, Carnegie Mellon University
David Smith, Rockwell International
Lynn Andrea Stein, MIT AI Lab
Mark Stickel, SRI International
Devika Subramanian, Cornell University
Richard Sutton, GTE Laboratories
Bill Swartout, USC/ISI
Chuck Thorpe, Carnegie Mellon University
Jeff Van Baalen, Price Waterhouse Technology Centre
Kurt vanLehn, University of Pittsburgh
Marc Vilain, MITRE Corporation
Richard Waters, MIT AI Lab
Dan Weld, University of Washington
Michael Wellman, Wright-Patterson Air Force Base
Brian Williams, Xerox PARC
Beverly Woolf, University of Massachusetts
Auxiliary Reviewers
G. Y. Ananth, University of Minnesota
Mark Boddy, Brown University
Norman Dalkey, University of California, Los Angeles
Yolanda Gil, Carnegie Mellon University
Robert P. Goldman, Tulane University
Moises Goldszmidt, University of California, Los Angeles
Diane F. Gordon, Naval Research Lab
Adam Grove, Stanford University
Robert Holte, University of Ottawa
Scott Hunter, Cornell University
Keiji Kanazawa, Brown University
Itay Meiri, University of California, Los Angeles
S. Shekhar, University of Minnesota
J. Srivastava, University of Minnesota
Fangzhen Lin, Stanford University
Thomas Verma, University of California, Los Angeles
AAAI Officials
President:
Daniel G. Bobrow, Xerox Palo Alto Research Center
President-elect:
Patrick Hayes, MCC CYC-West
Past President:
Raj Reddy, Carnegie Mellon University
Secretary-Treasurer:
Bruce Buchanan, University of Pittsburgh
Councilors (through 1991)
Elaine Rich, MCC
Geoffrey Hinton, University of Toronto
Wendy Lehnert, University of Massachusetts
Reid Smith, Schlumberger
Councilors (through 1992)
Kenneth D. Forbus, University of Illinois
Howard Shrobe, Symbolics/MIT
William Swartout, USC-ISI
J. Martin Tenenbaum, Stanford University
Councilors (through 1993)
Mark Fox, Carnegie Mellon University
Barbara Hayes-Roth, Stanford University
Thomas Dietterich, Oregon State University
Richard Fikes, Stanford University
Standing Committees
Conference Chair:
Howard Shrobe, Symbolics/MIT
Conference Cochair:
William Swartout, USC/ISI
Finance Chair:
Bruce Buchanan, University of Pittsburgh
Publications Chair:
Mark Fox, Carnegie Mellon University
Scholarship Chair:
Barbara Hayes-Roth, Stanford University
Symposium Chair:
Peter Patel-Schneider, AT&T Bell Laboratories
Symposium Cochairs:
James Hendler, University of Maryland
Wendy Lehnert, University of Massachusetts
Workshop Grants:
Kathy McKeown, Columbia University
AI in Medicine Subgroup Liaison:
Gordon Banks, University of Pittsburgh
AI in Manufacturing Subgroup Liaison:
Karl Kempf, Intel
AI and the Law Subgroup Liaison:
Edwina Rissland, University of Massachusetts
AI and Business Subgroup Liaison:
Dan O’Leary, University of Southern California
AAAI Staff
Executive Director: Claudia Mazzetti
Managing Director: Carol McKenna Hamilton
Accountant: Julie G.Bowen
Membership & Systems Coordinator:
Richard A. Skalsky
Conference Coordinator: Annette Eldredge
Conference Coordinator: Mary Livingston
Administrative: Hasina Aziz, Daphne Black, Arthur
Okorie, and Godwin Okorie
AI Magazine Staff
Editor-in-Chief:
Robert Engelmore, Stanford University
Associate Editor:
Elaine Rich, MCC
Associate Editor:
Ramesh Patil, USC/ISI
Associate Editor, Book Reviews:
Bruce D’Ambrosio, Oregon State University
Associate Editor, Workshop Reports:
Peter Patel-Schneider, AT&T Bell Labs
Associate Editor, AAAI News:
William J. Clancey, Institute for Research on Learning
Publishing Consultant:
David Mike Hamilton, The Live Oak Press
Technical Editors:
Susan Altman, Donna Auguste, Jonathan Berlinger,
Sanjiv Bhatia, Timothy Bult, Francisco Cantu-Ortiz,
Clay Carr, Michael Compton, David Fogel, Tom Gruber, Uma Gupta, Larry Hall, Jim Hightower, Walter Hower, Benny Iggland, Robert Joyce, Mura Krishamurthi, John Kunz, Daniel Lee, Zhongmin Li,
Jim MacDonald, Thomas Mastaglio, Jon Russell,
Bob Smith, Marilyn Stelzner, Devika Subramanian,
Michael Sutton, Lance Tokuda, Costas Tsatsoulis,
Nagi Wakim, and Harry Zhou.
Editorial Assistant:
Ellie Engelmore, AAAI
Art Direction & Graphics:
Dianne Erickson & Jim Marin, Spectra Media
Editorial Services:
Sunny Ludvik, Ludvik Editorial Services
The AAAI Press
The MIT Press Coliaisons:
Robert Prior and Teresa Ehling, The MIT Press
Editor-in-Chief:
William Clancey, Institute for Research on Learning
Publishing Consultant:
David Mike Hamilton, The Live Oak Press
Management Board
William Clancey, Institute for Research on Learning
David Mike Hamilton, The Live Oak Press
Claudia Mazzetti, AAAI
Robert Prior, The MIT Press
Teresa Ehling, The MIT Press
Reid Smith, Schlumberger
Editorial Board
Ken Forbus, University of Illinois, Urbana Champaign
Tom Dietterich, Oregon State University
Scott Fahlman, Carnegie Mellon University
Jean-Claude Latombe, Stanford University
John McDermott, Carnegie Mellon University
Judea Pearl, University of California, Los Angeles
Reid Smith, Schlumberger
Yoav Shoham, Stanford University
Howard Shrobe, Symbolics/MIT
J. Martin Tenenbaum, Stanford University
Bonnie Webber, University of Pennsylvania
AAAI Corporate Sponsors
Digital Equipment Corporation
General Motors Research Laboratory