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    Robust Spammer Detection Using Collaborative Neural Network in Internet of Thing Applications

    Guo, Zhiwei, Shen, Yu, Bashir, Ali Kashif ORCID logoORCID: https://orcid.org/0000-0001-7595-2522, Imran, Muhammad, Kumar, Neeraj, Zhang, Di and Yu, Keping (2021) Robust Spammer Detection Using Collaborative Neural Network in Internet of Thing Applications. IEEE Internet of Things Journal, 8 (12). pp. 9549-9558.

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    Spamming is emerging as a key threat to Internet of Things (IoT)-based social media applications. It will pose serious security threats to the IoT cyberspace. To this end, artificial intelligence-based detection and identification techniques have been widely investigated. The literature works on IoT cyberspace can be categorized into two categories: 1) behavior pattern-based approaches; and 2) semantic pattern-based approaches. However, they are unable to effectively handle concealed, complicated, and changing spamming activities, especially in the highly uncertain environment of the IoT. To address this challenge, in this paper, we exploit the collaborative awareness of both patterns, and propose a Collaborative neural network-based Spammer detection mechanism (Co-Spam) in social media applications. In particular, it introduces multi-source information fusion by collaboratively encoding long-term behavioral and semantic patterns. Hence, a more comprehensive representation of the feature space can be captured for further spammer detection. Empirically, we implement a series of experiments on two real-world datasets under different scenario and parameter settings. The efficiency of the proposed Co-Spam is compared with five baselines with respect to several evaluation metrics. The experimental results indicate that the Co-Spam has an average performance improvement of approximately 5% compared to the baselines.

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