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TopBlend: An Efficient Implementation of HtmlDiff in Java
PROCEEDINGS

, , , , AT&T Labs, United States

WebNet World Conference on the WWW and Internet, in San Antonio, Texas Publisher: Association for the Advancement of Computing in Education (AACE), Chesapeake, VA

Abstract

The World Wide Web is growing rapidly with new and changing web content. Detecting changes in web pages is crucial for website masters who care about website integrity. It is also convenient for web surfers who are constantly looking for new products, services, or information. This paper describes TopBlend, a new HTML differencing tool implemented in Java. TopBlend uses the fast Jacobson-Vo algorithm, which solves the Heaviest Common Subsequence problem, for page comparison. Performance results indicate that TopBlend significantly outperforms a previous HTML differencing tool in most time-consuming jobs, often by 1-2 orders of magnitude. TopBlend allows comparisons to be performed either on the server or client side, and can present the results in either a merged HTML view or a more convenient side-by-side view for web pages with complex graphics designs.

Citation

Chen, Y.F., Douglis, F., Huang, H. & Vo, K.P. (2000). TopBlend: An Efficient Implementation of HtmlDiff in Java. In Proceedings of WebNet World Conference on the WWW and Internet 2000 (pp. 88-94). San Antonio, Texas: Association for the Advancement of Computing in Education (AACE). Retrieved March 19, 2024 from .

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