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10.1016/j.future.2020.10.003 http://scihub22266oqcxt.onion/10.1016/j.future.2020.10.003 33041408!7534853!33041408     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Future+Gener+Comput+Syst 2021 ; 115 (ä): 531-541 Nephropedia Template TP {{tp|p=33041408|t=2021. Susceptible user search for defending opinion manipulation |pdf=|usr=}}{{33041408}} gab.com Text Susceptible user search for defending opinion manipulation JO: Future Gener Comput Syst http://www.kidney.de/pget.php?&tw=1&pmid=33041408 #FOAvip The development of cyberspace offers unprecedentedly convenient access to online communication, thus inducing malicious individuals to subtly manipulate user opinions for benefits. Such malicious manipulations usually target those influential and susceptible users to mislead and control public opinion, posing a bunch of threats to public security. Therefore, an intelligent and efficient searching strategy for targeted users is one prominent and critical approach to defend malicious manipulations. However, the major body of current studies either provide solutions under ideal scenarios or offer inefficient solutions without guaranteed performance. As a result, this work adopts the combination of unsupervised learning and heuristic search to discover susceptible and key users for defense. We first propose a greedy algorithm fully considering the susceptibilities of different users, then adopt unsupervised learning and utilize the community property to design an accelerated algorithm. Moreover, the approximation guarantees of both greedy and community-based algorithms are systematically analyzed for some practical circumstances. Extensive experiments on real-world datasets demonstrate that our algorithms significantly outperform the state-of-the-art algorithm. Twit Text FOAVip Susceptible user search for defending opinion manipulation ????Future Gener Comput Syst http://www.kidney.de/pget.php?&tw=1&pmid=33041408 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33041408 #FOAvip English Wikipedia <ref>{{Cite pmid|33041408}}</ref> Susceptible user search for defending opinion manipulation #MMPMID33041408 Tang W; Tian L; Zheng X; Luo G; He Z Future Gener Comput Syst 2021[Feb]; 115 (ä): 531-541 PMID33041408show ga The development of cyberspace offers unprecedentedly convenient access to online communication, thus inducing malicious individuals to subtly manipulate user opinions for benefits. Such malicious manipulations usually target those influential and susceptible users to mislead and control public opinion, posing a bunch of threats to public security. Therefore, an intelligent and efficient searching strategy for targeted users is one prominent and critical approach to defend malicious manipulations. However, the major body of current studies either provide solutions under ideal scenarios or offer inefficient solutions without guaranteed performance. As a result, this work adopts the combination of unsupervised learning and heuristic search to discover susceptible and key users for defense. We first propose a greedy algorithm fully considering the susceptibilities of different users, then adopt unsupervised learning and utilize the community property to design an accelerated algorithm. Moreover, the approximation guarantees of both greedy and community-based algorithms are systematically analyzed for some practical circumstances. Extensive experiments on real-world datasets demonstrate that our algorithms significantly outperform the state-of-the-art algorithm. äSusceptible user search for defending opinion manipulation (epmc).pdf DeepDyve Pubget Overpricing