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Title of Journal: J Supercomput

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Abbravation: The Journal of Supercomputing

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Springer US

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DOI

10.1007/s12562-015-0965-5

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1573-0484

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PerContRep a practical reputation system for perv

Authors: Zheng Yan Yu Chen Yue Shen
Publish Date: 2014/02/05
Volume: 70, Issue: 3, Pages: 1051-1074
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Abstract

Social network has extended its popularity from the Internet to mobile domain Personal mobile devices can be selforganized and communicate with each other for instant social activities at any time and in any places to achieve pervasive social networking PSN In such a network various content information flows To which extent should mobile users trust it whilst user privacy can also be preserved Existing work has not yet seriously considered trust and reputation management although trust plays an important role in PSN In this paper we propose PerContRep a practical reputation system for pervasive content services that can assist trustworthy content selection and consumption in a pervasive manner We develop a hybrid trust and reputation management model to evaluate node recommendation trust and content reputation in the context of frequent change of node pseudonyms Simulations show the advantages of PerContRep in assisting user decisions and its effectiveness with regard to unfair rating attack collaborative unfair rating attack onoff attack and conflict behavior attack A prototype system achieves positive user feedback on its usability and social acceptanceThis work is sponsored by the following grants the PhD grant JY0300130104 of Chinese Educational Ministry the initial grant of Chinese Educational Ministry for researchers from abroad JY0600132901 and the grant of Shaanxi Province for excellent researchers from abroad 680F1303 A preliminary version of this paper appeared in the Proceedings of the 7th International Conference Ubiquitous Intelligence and Computing 2010 UIC ’10 35

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