后疫情时代网络舆情演化特征分析研究  

Analysis of the Evolutionary Characteristics of Online Public Opinion in Post-pandemic Era

作　　者：郑鸿斌 陈晓添 陈铮鑫 冯兰萍[1] ZHENG Hongbin;CHEN Xiaotian;CHEN Zhengxin;FENG Lanping(Business School,Hohai University,Changzhou 213022,China)

机构地区：[1]河海大学商学院,常州213022

出　　处：《竞争情报》2022年第3期26-35,共10页Competitive Intelligence

基　　金：2021年度河海大学大学生创新创业训练计划立项项目“突发事件网络舆情政府引导水平评价研究”(编号:2021102941214)的研究成果之一。

摘　　要：对后疫情时代网络舆情演化特征进行分析,以期为相关部门决策提供参考。基于信息生态理论,给出网络舆情演化特征分析思路,采用LDA和TF-IDF模型分析舆情主题和热点,基于SnowNLP进行情感演化分析,使用熵权法量化主体影响力,并以西安新冠疫情不同演化阶段为例进行分析。研究表明:在后疫情时代,公众舆论聚焦民生领域;网民情感在不同阶段呈现不同特征;主流媒体发挥了引导舆论的重要作用。This paper analyzes the evolutionary characteristics of online public opinion in the post-epidemic era,with a view to providing reference for decision-making by relevant departments.Based on the information ecology theory,this paper gives the analysis ideas of the evolutionary characteristics of online public opinion,the LDA model and the TF-IDF model are used to analyze public opinion topics and hotspots,and the sentiment evolution is analyzed based on the SnowNLP model,and the subject influence is analyzed using the entropy weight method,the COVID-19 epidemic of Xi’an is analyzed as an example.The study shows that in the postepidemic era,the content of public opinion continues to focus on the field of people’s livelihood;netizens’emotions are different in different stage;mainstream media plays the main guiding role.

关 键 词：后疫情时代 信息生态学 主题分析 情感演化 主流媒体 网络舆情 

分 类 号：G206[文化科学—传播学] C912.63[经济管理]