Both my books Web Data Mining and Sentiment Analysis and Opinion Mining discuss the issue. Our first paper was published in 2007, and subsequent papers were published in 2008, 2010, and 2012. To the best of our knowledge, my group is the first to conduct We believe that as opinions on the Web are increasingly used in practice by consumers, organizations, and businesses for their decision making, opinion spamming will get worse and also more sophisticated.ĭetecting spam reviews or opinions will become more and more critical. Opinion spam has many forms, e.g., fake reviews (also called bogus reviews), fake comments, fake blogs, fake social network postings, deceptions, and deceptive messages. Negative opinions to some other entities in order to damage their reputations.
Opinion Spamming: It refers to "illegal" activities (e.g., writing fake reviews, also called shilling) that try to mislead readers or automated opinion mining and sentiment analysis systems by giving undeserving positive opinions to some target entities in order to promote the entities and/or by giving false This, unfortunately, gives strong incentives for opinion spamming.Ĭan you figure out which of these three reviews are fake? Positive opinions can result in significant financial gains and/or fames forīusineses, organizations and individuals. If most reviewsĪre negative, one will almost certainly not buy it. If most reviews are positive, one is likely to buy the product. For example, if one wants to buy a product, one typically goes to a review site (e.g., ) to read some reviews of the product. It has become a common practice for people to read online opinions/reviews for different purposes. Fake news detection can be done in similar ways to fake review detection as the behaviors of fraudsters in both cases are similar. Book: Sentiment Analysis and Opinion Mining (Introduction and Survey), Morgan & Claypool, May 2012. Cambridge University Press, available from March 2015. ) New Book: Sentiment Analysis: mining opinions, sentiments, and emotions. (See this The New York Times front page article, Jan. Opinion Spammer, Review Spammer, Fake Reviewer, Shill (Stooge or Plant), Opinion Spam Detection: Detecting Fake Reviews and Reviewers Many names: Spam Review, Fake Review, Bogus Review, Deceptive review
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