情报科学 ›› 2024, Vol. 42 ›› Issue (5): 85-93.

• 理论研究 • 上一篇    下一篇

多维度视角下我国网络舆情热点话题演化特征研究

  

  • 出版日期:2024-05-05 发布日期:2024-07-26

  • Online:2024-05-05 Published:2024-07-26

摘要:

【目的/意义】分析我国网络舆情热点话题分布及其演化特征规律,可以有效揭示舆论热点话题走向,对加
强网络舆情监管、引导网络舆情和提供舆情治理意见具有一定的意义。【方法/过程】爬取、处理新浪微博 2020 年
-2022年的热搜数据作为研究对象,基于 LDA模型进行话题识别得到近三年我国网络舆情热点话题;然后综合文
本挖掘、情绪计算、数理统计和可视化方法对网络舆情热点话题演化特征进行系统性挖掘与可视化分析。【结果/结
论】研究发现,2020年-2022年我国网络舆情热点话题主要有家庭生活、情感关系、社会事件、体育运动、娱乐综艺、
疫情防控和国际关系等七大话题,呈现出重大突发事件驱动,网络回应提升热度,疫情进展左右走势等显著演化特
征。【创新/局限】本研究对于我国相关部门加强网络舆情信息监管,正确引导网络舆情走向等工作具有一定参考借
鉴意义,但微博热搜仅保留了每日热度值前50的数据,可能会在一定程度上影响研究结果的准确性。

Abstract:

【Purpose/significance】 The analysis of the distribution and evolution characteristics of hot topics in domestic network pub⁃
lic opinion can effectively reveal the trend of hot topics in public opinion, and has certain significance for strengthening the supervi⁃
sion of network public opinion, guiding network public opinion and providing public opinion governance opinions.
Method/process】
Crawling and processing the hot search data of Sina Weibo from 2020 to 2022 as the research object, and topic recognition based on
LDA model to obtain the hot topics of domestic network public opinion in recent three years; Then the text mining, mathematical statis⁃
tics and visualization methods are integrated to systematically mine and visually analyze the evolution characteristics of hot topics of
online public opinion.【Result/conclusion】 The research found that from 2020 to 2022, the hot topics of domestic network public opin⁃
ion mainly include seven topics, including family life, emotional relations, social events, sports, entertainment, epidemic prevention
and control, and international relations, showing the evolution characteristics of major emergencies driving the generation of hot topics,
response to the promotion of topic heat, and the trend of hot topics around the epidemic progress
.
【Innovation/limitation】This study has
certain reference significance for the work of relevant departments in China to strengthen the supervision of online public opinion infor⁃
mation and correctly guide the direction of online public opinion. However, Weibo Hot Search only retains the data of the top 50 daily
heat values, which may affect the accuracy of the research results to a certain extent.