情报研究

社交媒体危机主题演化模型构建与趋势分析

  • 马晓悦 ,
  • 薛鹏珍 ,
  • 陈忆金 ,
  • 朱多刚
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  • 1. 西安交通大学新闻与新媒体学院 西安 710049;
    2. 西安电子科技大学经济与管理学院信息管理系 西安 710071;
    3. 华南师范大学经济与管理学院 广州 510006
马晓悦(ORCID:0000-0003-4932-6450),特聘研究员,博士生导师,博士,E-mail:xyma_mail@163.com;薛鹏珍(ORCID:0000-0001-9157-3952),硕士研究生;陈忆金(ORICD:0000-0001-6289-9814),副教授,博士;朱多刚(ORICD:0000-0002-5648-8258),副教授,博士。

收稿日期: 2020-12-09

  修回日期: 2021-02-26

  网络出版日期: 2021-07-10

基金资助

本文系教育部人文社会科学研究规划基金"信息协同视角下基于可视化媒介的智慧应急响应行为研究"(项目编号:19YJA870009)和陕西省自然科学基础研究计划一般项目-面上项目"基于散射-叠加效应的新媒体信息演化模型构建及事件类别判定研究"(项目编号:2020JM-056)研究成果之一。

Construction and Trend Analysis of Crisis Theme Evolution Model in Social Media

  • Ma Xiaoyue ,
  • Xue Pengzhen ,
  • Chen Yijin ,
  • Zhu Duogang
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  • 1. School of Journalism and New Media, Xi'an Jiaotong University, Xi'an 710049;
    2. Department of Information Management, Xidian University, Xi'an 710126;
    3. School of Economics and Management, South China Normal University, Guangzhou 510006

Received date: 2020-12-09

  Revised date: 2021-02-26

  Online published: 2021-07-10

摘要

[目的/意义] 基于社交媒体,探索突发事件信息生命周期中不同利益相关者的动态分类及其关注主题的演变规律,为更精准的危机信息监测与动态决策提供依据。[方法/过程] 以特定危机事件的事实文本数据为来源,以利益相关者理论和动态主题模型为指导,构建三维动态主题演化模型以对社交媒体危机事件中不同利益相关者的分类与话题关注进行主题挖掘。其中包括时间粒度划分、利益相关者的定量评估、基于时间和主体的危机主题观点识别与刻画,并利用可视化工具对该动态趋势进行表征。[结果/结论] 基于三维动态主题演化模型,利益相关者的组成与分类在不同阶段中具有明显的差异性,同时其关注主题与行为特征也体现出不同的偏好性和动态差异性。危机主体的动态与危机主题的动态有效结合,能够更加全面地表达舆情传播的特点和规律。

本文引用格式

马晓悦 , 薛鹏珍 , 陈忆金 , 朱多刚 . 社交媒体危机主题演化模型构建与趋势分析[J]. 图书情报工作, 2021 , 65(13) : 77 -86 . DOI: 10.13266/j.issn.0252-3116.2021.13.008

Abstract

[Purpose/significance] Based on social media, this paper explores the dynamic classification of different stakeholders in the information life cycle of emergencies and the evolution rules of their concerns, so as to provide basis for more accurate crisis information monitoring and dynamic decision-making.[Method/process] Based on the factual text data of specific crisis events, guided by stakeholder theory and dynamic topic model, a three-dimensional dynamic topic evolution model was constructed to mine the classification and topic concerns of different stakeholders in social media crisis events. It included time granularity division, quantitative evaluation of stakeholders, identification and characterization of crisis themes based on time and subject. Finally, the dynamic trend was characterized by visualization tools.[Result/conclusion] Based on the three-dimensional dynamic theme evolution model, the composition and classification of stakeholders have obvious differences in different stages. At the same time, their focus themes and behavior characteristics also show different preferences and dynamic differences. The dynamics of the crisis stakeholders and the crisis theme are effectively combined, which can more comprehensively express the characteristics and regulars of public opinion dissemination.

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