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Improved Key Node Recognition Method of Social Network Based on PageRank Algorithm

查看全文 作　　者：Lei [1]Hong;Yiji [1]Qian;Chaofan [2]Gong;Yurui [1]Zhang;Xin [3]Zhou 高影响力作者 机构地区：[1]Jiangsu Police Institute,Nanjing,210000,China;[2]Nanjing Police Station,Nanjing,210000,China;[3]System Consulting Pty Ltd.,Sydney,201101,Australia高影响力机构 出　　处：《Computers, Materials & Continua》索引2023年第1期,共17页高影响力期刊 基　　金：supported by Jiangsu Social Science Foundation Project(Grant No:20TQC005);Philosophy Social Science Research Project Fund of Jiangsu University(Grant No:2020SJA0500);The National Natural Science Foundation of China(GrantNo.61802155);The Innovation and Entrepreneurship Project Fund for College Students of Jiangsu Police Academy(Grant No.202110329028Y);The“qinglan Project”of Jiangsu Universities. 摘　　要：The types and functions of social networking sites are becoming more abundant with the prevalence of self-media culture,and the number of daily active users of social networking sites represented by Weibo and Zhihu continues to expand.There are key node users in social networks.Compared with ordinary users,their influence is greater,their radiation range is wider,and their information transmission capabilities are better.The key node users playimportant roles in public opinion monitoring and hot event prediction when evaluating the criticality of nodes in social networking sites.In order to solve the problems of incomplete evaluation factors,poor recognition rate and low accuracy of key nodes of social networking sites,this paper establishes a social networking site key node recognition algorithm(SNSKNIS)based on PageRank(PR)algorithm,and evaluates the importance of social networking site nodes in combination with the influence of nodes and the structure of nodes in social networks.This article takes the Sina Weibo platform as an example,uses the key node identification algorithm system of social networking sites to discover the key nodes in the social network,analyzes its importance in the social network,and displays it visually. 关 键 词：Social networking site PageRank algorithm key node
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