Identifying online user reputation of user-object bipartite networks

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• 作者：Xiao-Lu Liu^a ; Jian-Guo Liu^a ; ^b ; ^c ; ^{liujg004@ustc.edu.cn} ; Kai Yang^a ; Qiang Guo^a ; Jing-Ti Han^b
• 关键词：Online rating system ; User reputation ; Object quality ; Beta distribution
• 刊名：Physica A: Statistical Mechanics and its Applications
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：467
• 期：Complete
• 页码：508-516
• 全文大小：1327 K
• 卷排序：467

文摘

Based on the Bayesian analysis, we present a parameter-free algorithm for ranking online user reputation. The user reputation is calculated based on the beta distribution in terms of user ratings. The computation complexity of the presented algorithm is a linear function of the network size.