Vol 18, No 2

Summer 1997

Table of Contents

Editorials

An Introduction to this Special Issue of AI Magazine
Oren Etzioni
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9

Articles

Moving Up the Information Food Chain: Deploying Softbots on the World Wide Web
Oren Etzioni
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11
SAVVYSEARCH: A Metasearch Engine That Learns Which Search Engines to Query
Adele E. Howe, Daniel Dreilinger
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19
The Hidden Web
Henry Kautz, Bart Selman, Mehul Shah
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27
LIFESTYLE FINDER: Intelligent User Profiling Using Large-Scale Demographic Data
Bruce Krulwich
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37
Learning Probabilistic User Profiles: Applications for Finding Interesting Web Sites, Notifying Users of Relevant Changes to Web Pages, and Locating Grant Opportunities
Mark Ackerman, Daniel Billsus, Scott Gaffney, Gordon Khoo, Seth Hettich, Dong Joon Kim, Ray Klefstad, Charles Lowe, Alexius Ludeman, Jack Muramatsu, Kazuo Omori, Michael J. Pazzani, Douglas Semler, Brian Starr, Paul Yap
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47
Question Answering from Frequently Asked Question Files: Experiences with the FAQ FINDER System
Robin D. Burke, Kristian J. Hammond, Vladimir Kulyukin, Steven L. Lytinen, Noriko Tomuro, Scott Schoenberg
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57
Refinement Planning as a Unifying Framework for Plan Synthesis
Subbarao Kambhampati
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67
Artificial Intelligence: What Works and What Doesn't?
Frederick Hayes-Roth
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99

Reports

Worldwide Perspectives and Trends in Expert Systems: An Analysis Based on the Three World Congresses on Expert Systems
Jay Liebowitz
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115

Book Reviews

A Review of Sketches of Thought
Balakrishnan Chandrasekaran
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120
Talking Heads: A Review of Speaking Minds: Interviews with Twenty Eminent Cognitive Scientists
Patrick J. Hayes, Kenneth M. Ford
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123

Departments

AAAI News
Carol Hamilton
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5

In Memoriam

Applied AI News
David Blanchard
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127
On the Other Hand
Patrick J. Hayes, Kenneth M. Ford
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136