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Improving the fairness of timely refresh of web views

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3 Author(s)
Haifeng Liu ; Centre for Advanced Information Systems, School of Computer Engineering Nanyang Technological University, Singapore 639798, SINGAPORE ; Wee-Keong Ng ; Ee-Peng Lim

The popularity of WWW has made it a prime vehicle for disseminating information. Compared to pure static and dynamic Web pages which are dynamically created by a CGI script at run-time, we focus on semi-dynamic Web pages whose contents are extracted from source databases and they change in response to updates to the source databases. An example of such a page can be found at where a list of stock information is refreshed frequently with respect to updates to base data. A crucial problem arises when base data change frequently and there is a need to keep a large set of semi-dynamic pages up-to-date in response to source changes since no one is interested in stale data on the Web; an investor may suffer great losses relying on obsolete stock price on the Web. To differentiate between the contents derived from base data and the trivial contents of a Web page, we refer to that portion of a page derived from base data as a Web view.

Published in:

Database Systems for Advanced Applications, 2001. Proceedings. Seventh International Conference on

Date of Conference:

21-21 April 2001