A Novel Dynamical Weight Hegselmann–Krause Model based on Spiral of Silence

Jiawei Ruan
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Abstract

The opinion dynamics, which utilizes mathematical and physical models to investigate the spreading of opinions in social networks, has drawn attention of researchers in related fields these years, on its excellent performance in evaluating and predicting the public mind on various general issues. In this paper, inspired by the Spiral of Silence (SOS) theory that shows people tend to alter their opinion to be confirmed with the dominant one considering the fear to be isolated, a novel Dynamical Weight Hegselmann-Krause (DWHK) model is proposed. Specifically, the variation of interpersonal influence as opinion spread in the community is considered, represented by dynamic weight in networks according to the SOS theory. Extensive experiments in different types of networks show the effectiveness and efficiency of the proposed model, considering the crowds corresponding to specific kinds of the spiral of silence.
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一种基于沉默螺旋的动态加权Hegselmann-Krause模型
近年来,利用数学和物理模型来研究社会网络中意见传播的意见动力学因其在评估和预测公众对各种一般问题的看法方面的优异表现而受到相关领域研究人员的关注。本文以沉默螺旋(SOS)理论为灵感,提出了一种新的动态权重Hegselmann-Krause (DWHK)模型。该理论表明,考虑到被孤立的恐惧,人们倾向于改变自己的观点,以证实主导观点。具体而言,根据SOS理论,考虑了意见在社区中传播时人际影响的变化,以网络中的动态权重表示。在不同类型的网络中进行的大量实验表明,考虑到特定类型的沉默螺旋对应的人群,所提出的模型是有效和高效的。
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