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Introduction Designing a complex web site is difficult Must anticipate users’ needs Users Different views of the site’s information Needs may change over time Usage patterns may violate initial expectation Web sites Too often fossils cast in HTML 2010/4/222
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Adaptive Web Sites
Authors : Mike Perkowitz, Oren EtzioniSource : Communications of the ACM , Volume 43 Issue 8, 2000Speaker :Li-Ya LiaoAdviser : Ku-Yaw Chang
Outline Introduction Web management assistant Conclusion
2010/4/22 2
Introduction Designing a complex web site is difficult
Must anticipate users’ needs Users
Different views of the site’s information Needs may change over time Usage patterns may violate initial expectation
Web sites Too often fossils cast in HTML
2010/4/22 3
Introduction Understanding how users
View the data Use the site
For a complex site Tests are expensive and time-consuming Logs contain massive amounts of data
2010/4/22 4
Outline Introduction Web management assistant Conclusion
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Web management assistant
This paper proposes a system Web management assistant
Process massive amounts of data about site usage
Suggest useful adaptation Develop adaptive Web sites
Semi-automatically improve their organization and presentation
By learning from visitor access patterns2010/4/22 6
Web management assistant
Various approaches to adaptive Web sites Automated tour guides to personalized
recommendation Charting the “footprints’’ left by visitors
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Common questions 1/4 What is the division of labor between the
automated assistant and the human Web master?
Fully manual Fully automated Semi-automated
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Common questions 2/4 Customization or transformation?
Customization is adapting the site’s presentation
Needs of individual information Changes impact only that single user
Transformation is improving the site’s structure
Interactions with all visitors
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Common questions 3/4 What aspects of the Web site are open to
change? Yahoo
Stocks in the user’s portfolio Weather report to receive
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Common questions 4/4 Are adaptations based on the content of
pages or people’s navigational choices? Uses content-based adaptation organizes and
presents Content of pages
What the pages say and what they are about Access-based adaptation
Uses the visitors have interacted with the site to guide
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Web management assistant
Index Page is a page Consist of links to a set of pages Cover a particular topic
Define problem Given a Web site and a visitor access log
IP, URL, Time
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Web management assistant
Subproblems What is the content of the index page? Does it have a coherent topic? What
should its title be?
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Web management assistant
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The inner workings of IndexFinder
Web management assistant
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IndexFinder suggests candidate index pages to the Web master
Outline Introduction Web management assistant Conclusion
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Conclusion Deploying IndexFinder
Test IndexFinder and compared user response
Other algorithms and human-authored index pages
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Conclusion Result
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The End
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