分级意见领袖下的微博信息传播与数学建模

doi:10.11896／j.issn.1002-137X.2018.11.041

计算机科学 ›› 2018, Vol. 45 ›› Issue (11): 261-266.doi: 10.11896／j.issn.1002-137X.2018.11.041

分级意见领袖下的微博信息传播与数学建模

黄贤英, 杨林枫, 刘小洋

(重庆理工大学计算机科学与工程学院重庆400054)

收稿日期:2017-08-28 发布日期:2019-02-25
作者简介:黄贤英(1967-),女,硕士,教授,CCF会员,主要研究领域为计算机应用、传播模型等;杨林枫(1993-),男,硕士生,CCF会员,主要研究领域为社交网络信息传播模型,E-mail:lfyang@2016.cqut.edu.cn(通信作者);刘小洋(1980-),男,博士后,副教授,硕士生导师,主要研究领域为信息传播模型、无线通信与计算机应用等。
基金资助:
本文受国家社会科学基金项目(17XXW004),教育部人文社会科学研究青年基金项目(16YJC860010),重庆市教育委员会人文社会科学研究一般项目(17SKG144),2017年度重庆市高校网络舆情与思想动态研究咨政中心开放课题(KFJJ2017024)资助。

Information Dissemination and Mathematical Modeling of Microblog under Graded Opinion Leader

HUANG Xian-ying, YANG Lin-feng, LIU Xiao-yang

(College of Computer Science and Engineering,Chongqing University of Technology,Chongqing 400054,China)

Received:2017-08-28 Published:2019-02-25

摘要/Abstract

摘要： 为了有效地分析意见领袖在微博在线社交网络传播中所起的作用及微博信息传播的生命周期,提出了一种OLL分级意见领袖模型。首先,爬取微博数据,并进行数据统计分析;其次,将传播力构建为转发数、活跃度与粉丝量3个因素相关的函数,并建立一种基于层次分析的权重计算方法;最后,利用计算的传播力并结合OLL模型,对意见领袖传播作用及微博生命周期进行了实验分析。仿真结果表明:意见领袖在微博信息传播中有很强的传播效应,通过计算得出OLL模型仿真与3组真实数据的误差分别为9.6%,13.4%,4.5%,从而证明了所提OLL模型对于分析意见领袖在微博信息传播中的生命周期是合理且有效的。

关键词: 传播力, 微博传播, 微博生命周期, 意见领袖

Abstract: In order to analyze the role of opinion leaders in microblog online social network dissemination and the life cycle of microblog information dissemination,an OLL graded opinion leader model was proposed.Firstly,the microblog data are crawled,and statistical analysis is carried out.Secondly,the dissemination power is constructed as a function related to three factors such as the number of forwarding,the degree of activity and the number of fans,and then a weight calculation method based on hierarchy analysis is established.Finally,the computed dissemination power and OLL mo-del are used to analyze the dissemination function of opinion leader and the life cycle of microblog.The simulation results show that the dissemination effect of opinion leader in themicroblog information dissemination is very strong.The error is caleculated between the OLL model and threereal data sets of errors are 9.6%,13.4% and 4.5% respectively.It is proved that the proposed OLL model is reasonable and effective for analyzing the life cycle of opinion leader in microblog information dissemination.

Key words: Communication power, Microblog communication, Microblogging life cycle, Opinion leader

中图分类号:

TP393

黄贤英, 杨林枫, 刘小洋. 分级意见领袖下的微博信息传播与数学建模[J]. 计算机科学, 2018, 45(11): 261-266. https://doi.org/10.11896／j.issn.1002-137X.2018.11.041

HUANG Xian-ying, YANG Lin-feng, LIU Xiao-yang. Information Dissemination and Mathematical Modeling of Microblog under Graded Opinion Leader[J]. Computer Science, 2018, 45(11): 261-266. https://doi.org/10.11896／j.issn.1002-137X.2018.11.041

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分级意见领袖下的微博信息传播与数学建模

Information Dissemination and Mathematical Modeling of Microblog under Graded Opinion Leader

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