Date of Publication :18th April 2018

Abstract: Opinion mining has played a significant role in providing product recommendations to users. Efficient recommendation systems help in improving business and also enhance customer satisfaction. The credibility of purchasing a product highly depends on the online reviews. However many people wrongly promote or demote a product by buying and selling fake reviews. Many websites have become source of such opinion spam. This in turns leads to recommending undeserving products. This literature survey is done to study the various fake review detection techniques in detail and to get ourselves familiar with the works done on this subject.

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