Enhancing Information Reliability Through Backwards Propagation of Distrust

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Executive Summary

Search Engines have greatly influenced the way the people experience the web. Since, the early days of the web people have been relying on search engines to find useful information. However, their ability to provide useful and unbiased information can be manipulated by Web spammers. Web spamming, the practice of introducing artificial text and links into web pages to affect the results of searches, has been recognized as a major problem for search engines. But it is mainly a serious problem for web users because they tend to confuse trusting the search engine with trusting the results of a search.

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