A unified framework for detecting author spamicity by modeling review deviation.
Expert Systems with Applications(2018)
摘要
•Dealing with review spammer detection problem.•We propose an unified framework for detecting author spamicity.•A set of abnormity signals were proposed from deviation angle.•An aspect-based deviation was designed to model latent content deviation.•Experimental results suggest that our approach is appropriate for this task.
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关键词
Review spam,Spam detection techniques,Fake reviews,Bidirectional LSTM,Review deviation
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