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Deceptive Opinions Detection Using New Proposed Arabic Semantic Features

Abstract : Some users try to post false reviews to promote or to devalue other's products and services. This action is known as deceptive opinions spam, where spammers try to gain or to profit from posting untruthful reviews. Therefore, we conducted this work to develop and to implement new semantic features to improve the Arabic deception detection. These features were inspired from the study of discourse parse and the rhetoric relations in Arabic. Looking to the importance of the phrase unit in the Arabic language and the grammatical studies, we have analyzed and selected the most used unit markers and relations to calculate the proposed features. These last were used basically to represent the reviews texts in the classification phase. Thus, the most accurate classification technique used in this area which has been proven by several previous works is the Support Vector Machine classifier (SVM). But there is always a lack concerning the Arabic annotated resources specially for deception detection area as it is considered new research area. Therefore, we used the semi supervised SVM to overcome this problem by using the unlabeled data.
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https://hal.archives-ouvertes.fr/hal-03299022
Contributor : Didier Schwab <>
Submitted on : Sunday, July 25, 2021 - 7:46:36 PM
Last modification on : Tuesday, July 27, 2021 - 3:38:41 AM

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Amel Ziani, Nabiha Azizi, Didier Schwab, Djamel Zenakhra, Monther Aldwairi, et al.. Deceptive Opinions Detection Using New Proposed Arabic Semantic Features. Procedia Computer Science, Elsevier, 2021, 189, pp.29 - 36. ⟨10.1016/j.procs.2021.05.067⟩. ⟨hal-03299022⟩

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