An Internet Difference Engine and Its Applications

Authors:
Thomas Ball;F. Douglis
Affiliations:
-;-
Venue:
COMPCON '96 Proceedings of the 41st IEEE International Computer Conference
Year:
1996

Citing 4
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Abstract

Finding interesting information on the Internet is difficult. Keeping up-to-date on this information requires a mechanism to determine when it has changed and how it has changed. The AT&T Internet Difference Engine is a system that detects and displays changes to pages on the World Wide Web. A web tracking tool finds when pages have changed. A new tool called HtmlDiff displays those changes by determining the difference between two HTML pages and creating a new HTML page summarizing them. We describe the major components of the Internet Difference Engine, and then show how it has been applied to a variety of Web applications, including collaborative editing environments and automated ``What's New?'' reports.