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Efficient and effective change detection and notification is becoming increasingly important for environments such as WWW and distributed heterogeneous systems. Change detection for structured data has been studied extensively. Change detection and notification for unstructured data in the form of html and XML documents is the goal of this work. The(More)
Data on the web is constantly increasing. Many a times, users are interested in specific changes to the data on the web. Currently, in order to detect changes of interest, users have to poll the pages and check for the changes he/she is interested in. Efficient and effective change detection and notification is critical in many environments where a lot of(More)
The World Wide Web is an omni-present and an ever-expanding source of data. Data on the web is constantly increasing and changing. Many a times, users are interested in specific changes to the data on the web. Currently, in order to detect changes of interest, users have to poll the pages periodically and check for the changes of interest. WebVigiL is a(More)
guidance and support, and for giving me a wonderful opportunity to work on this topic. World Wide Web has gained lot of prominence with respect to retrieving information and data delivery. Users are interested in monitoring selective changes to contents than merely surfing on the web. Selective content monitoring of the web requires an effective monitoring(More)
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