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An attention-based unsupervised adversarial model for movie review spam detection
IEEE Transactions on Multimedia ( IF 8.4 ) Pub Date : 2021-01-01 , DOI: 10.1109/tmm.2020.2990085 Maoguo Gong , Yuan Gao , Yu Xie , A. K. Qin
IEEE Transactions on Multimedia ( IF 8.4 ) Pub Date : 2021-01-01 , DOI: 10.1109/tmm.2020.2990085 Maoguo Gong , Yuan Gao , Yu Xie , A. K. Qin
With the prevalence of the Internet, online reviews have become a valuable information resource for people. However, the authenticity of online reviews remains a concern, and deceptive reviews have become one of the most urgent network security problems to be solved. Review spams will mislead users into making suboptimal choices and inflict their trust in online reviews. Most existing research manually extracted features and labeled training samples, which are usually complicated and timeconsuming. This paper focuses primarily on a neglected emerging domain - movie review, and develops a novel unsupervised spam detection model with an attention mechanism. By extracting the statistical features of reviews, it is revealed that users will express their sentiments on different aspects of movies in reviews. An attention mechanism is introduced in the review embedding, and the conditional generative adversarial network is exploited to learn users' review style for different genres of movies. The proposed model is evaluated on movie reviews crawled from Douban, a Chinese online community where people could express their feelings about movies. The experimental results demonstrate the superior performance of the proposed approach.
更新日期：2021-01-01
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