Gatekeeping behavior analysis for information credibility assessment on Weibo

Xie, Bailin, Wang, Yu, Chen, Chao, and Xiang, Yang (2016) Gatekeeping behavior analysis for information credibility assessment on Weibo. In: Lecture Notes in Computer Science (9955) pp. 483-496. From: NSS 2016: 10th International Conference on Network and System Security, 28-30 September 2016, Taipei, Taiwan.

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Microblogging sites, such as Sina Weibo and Twitter, have gained significantly in popularity and become an important source for real-time information dissemination. Inevitably, these services are also used to spread false rumors and misinformation, usually with the unintentional collaboration from innocent users. Previous studies show that microblog information credibility can be assessed automatically based on the features extracted from message contents and users. In this paper, we address this problem from a new perspective by exploring the human input in the propagation process of popular microblog posts. Specifically, we consider that the users are the gatekeepers of their own media portal on microblogging sites, as they decide which information is filtered for dissemination to their followers. We find that truthful posts and false rumors exhibit distinguishable patterns in terms of which gatekeepers forward them and what the gatekeepers comment on them. Based on this finding, we propose to assess the information credibility of popular microblog posts with Hidden Markov Models (HMMs) of gatekeeping behavior. The proposed approach is evaluated using a real life data set that consists of over ten thousand popular posts collected from Sina Weibo.

Item ID: 64423
Item Type: Conference Item (Research - E1)
ISBN: 978-3-319-46297-4
Keywords: Online social networks, Microblogging, Weibo, Information, credibility, HMM
Copyright Information: © Springer International Publishing AG 2016
Date Deposited: 01 Oct 2020 00:11
FoR Codes: 46 INFORMATION AND COMPUTING SCIENCES > 4604 Cybersecurity and privacy > 460499 Cybersecurity and privacy not elsewhere classified @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8902 Computer Software and Services > 890299 Computer Software and Services not elsewhere classified @ 100%
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