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Published online by Cambridge University Press: 23 September 2020
In this chapter, we discuss the quality of reviews. This topic is related to opinion spam detection yet also different, because low-quality reviews may not be spam or fake reviews, and fake reviews may not be perceived as low-quality reviews by readers. Indeed, as we discussed in Chapter 12, it is very difficult to spot fake reviews simply by reading them. For this reason, fake reviews may also be seen as helpful or high-quality reviews if the imposters write their reviews early and craft them well.
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