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

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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

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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

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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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