融入用户合作与领导激励的社交网络知识传播模型

doi:10.11959/j.issn.1000-0801.2020284

Abstract

Abstract:

In recent years,social networks have become a common medium for users to share knowledge.The knowledge communication in the social network environment was modeled and researched,with a hope to provide reference for relevant departments to effectively implement supervision and improve users’ knowledge exchange efficiency.Based on the classic SIS and SIR models,factors such as user cooperation and leadership encouragement for optimization were integrated,and the replication of dynamic equations was combined to construct and analyze two social network user knowledge communication models (SISL /SIRL).Finally,the data and model examples were given.The results show that the speed of knowledge communication is faster in social networks with leaders.In the process of social network knowledge communication,the number of vulnerable users decreases while that of the immune users increases,and the number of infected users fluctuates within a small range.Compared with the classic model and the real social network,the knowledge communication model constructed has a stronger fit.

Key words: user cooperation, leadership encourage, social network, knowledge dissemination

CLC Number:

G206

Qiuyang GU,Chunhua JU,Gongxing WU. Knowledge communication model of social network with user cooperation and leadership encouragement[J]. Telecommunications Science, 2020, 36(10): 172-182.

Figures/Tables 10

References 41

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参数名称	参数定义	基本参数数值
α	易感染节点在接触到感染节点后获得知识的概率	0.1
β	感染节点遗忘并再次成为易感染节点的概率	0.05
γ	受领导激励影响，易感染节点变为感染节点的概率	0.3
λ	社交网络知识传播率	—
λ_c	社交网络知识传播阈值	0.194
<k>	知识传播网络平均度	5

网络名称	节点数量/个	节点边界数/个	节点平均路径	聚类系数	平均度
Ideastorm网络	2 193	32 011	2.109	0.932	68.237
新浪微博网络	16 207	347 182	2.493	0.672	28.930

Knowledge communication model of social network with user cooperation and leadership encouragement

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