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 Jie Zhang

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Average citations per article0.00
Citation Count0
Publication count1
Publication years2017-2017
Available for download1
Average downloads per article222.00
Downloads (cumulative)222
Downloads (12 Months)167
Downloads (6 Weeks)16

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July 2017 ACM Transactions on the Web (TWEB): Volume 11 Issue 4, September 2017
Publisher: ACM
Citation Count: 0
Downloads (6 Weeks): 16,   Downloads (12 Months): 167,   Downloads (Overall): 222

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We address the collusive opinion fraud problem in online review portals, where groups of people work together to deliver deceptive reviews for manipulating the reputations of targeted items. Such collusive fraud is considered much harder to defend against, since the participants (or colluders) can evade detection by shaping their behaviors ...
Keywords: prediction and inference, Collusive fraud, probabilistic modeling, fraud detection, opinion manipulation

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