Influence inflation in online social networks

Jianjun Xie, Chuang Zhang, Ming Wu, Yun Huang
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引用次数: 5

Abstract

Online marketing exploits social influence to trigger chain-like cascades. However, recent practices actively employ agents to collaboratively inflate the spreading of influences. Through supporting structures, they help each other with false feedback and signals to attract other users in the spreading process and thus alter the spontaneous social dynamics. In this paper, we proposed a modeling framework to explain the mechanism of such operations and characterize the spreading dynamics. Model analytics and numerical simulations both showed a lifting in overall spreading influence. As empirical evidence, experiments on a large Weibo network revealed well-structured advertising groups that prominently amplified the influences of promoted commercials via meticulous cooperation in a core-peripheral structure. The inflation effect also brings new considerations into influence maximization problems. Based on our models, we solved the problem of maximizing inflated influence by optimizing the selection of agents under KKT conditions and their supporting structure using its submodular property.
影响在线社交网络中的通货膨胀
网络营销利用社会影响力引发连锁反应。然而,最近的实践积极地雇用代理人来共同扩大影响的传播。它们通过支撑结构相互帮助,以虚假的反馈和信号在传播过程中吸引其他用户,从而改变自发的社会动态。在本文中,我们提出了一个模型框架来解释这种操作的机制和表征传播动态。模型分析和数值模拟都显示了总体传播影响的提升。作为实证证据,在大型微博网络上进行的实验表明,结构良好的广告群体通过核心-外围结构的细致合作,显著放大了推广广告的影响力。通货膨胀效应也为影响最大化问题带来了新的考虑。基于我们的模型,我们通过优化KKT条件下智能体的选择及其支持结构,利用其子模块化特性,解决了膨胀影响最大化的问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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