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Overview:

Mining of opinions from product reviews, forum posts and blogs is an important research topic with many applications. However, existing research has been focused on extraction, classification and summarization of opinions from these sources. An important issue that has not been studied so far is the opinion spam or the trustworthiness of online opinions. This paper studies this issue in the context of product reviews. To their knowledge, there is still no published study on this topic, although Web page spam and email spam have been investigated extensively. In this paper, they first present a categorization of spam reviews and then propose several techniques to detect them.

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Format:PDFSize:179 KB
Date:Oct 2007
Pages:6

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