Abstract

In current scenario web is huge, highly distributive, open in nature and changing rapidly. The open nature of web is the main reason for rapid growth but it has imposed a challenge to Information Retrieval. The one of the biggest challenge is spam. We focus here to have a study on different forms of the web spam and its new variant called spam 2.0, existing detection methods proposed by different researches and challenges that are still unanswered.

Keyword

Web spam, web 2.0, web spam 2.0, search engine, search engine ranking, social media spam.

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