网络问答社区用户疫苗信息需求主题与情感分析——以百度知道中“新冠疫苗”数据为例  

Analysis on Topic and Emotion of Users’ Vaccine Information Needs in Online Q&A Community: Case Study of “COVID-19 Vaccine” Data from Baidu Zhidao

作　　者：李莎 黄丽娜[1] Li Sha;Huang Lina(School of Communication,Guizhou Minzu University,GuiYang GuiZhou 550025)

机构地区：[1]贵州民族大学传媒学院,贵州贵阳550025

出　　处：《情报探索》2022年第9期94-102,共9页Information Research

摘　　要：[目的/意义]掌握问答社区用户疫苗信息需求,揭示用户情绪与关注焦点,为通过互联网开展精准疫苗宣传与科普服务提供依据。[方法/过程]采集问答社区“新冠疫苗”相关问题,利用内容分析的主题编码、情感分析方法进行信息需求主题分类与情感分析,分析不同主题分布及演化特征,挖掘核心主题,并对主题和情感进行相关性分析。[结果/结论]用户疫苗信息需求涉及10类主题,不同阶段存在差异性,多类主题与情感倾向显著相关,其中人群属性、疫苗研发、有效性和安全性、接种禁忌是用户关注焦点,且与情感倾向关系强烈。[Purpose/significance] Grasping the vaccine information needs of users in Q&A communities,and revealing their emotions and concerns,provide a basis for further development of accurate vaccine propaganda and popularization services through the Internet. [Method/process] The paper collected questions related to “COVID-19 Vaccine” from the Q&A community,classified the information needs by topic coding and sentiment analysis methods of content analysis,analyzed the distribution and evolution characteristics of different topics,explored the core topics,and conducted correlation analysis between topics and sentiment. [Result/conclusion] Users’ vaccine information needs involve 10 types of themes,which are different at different stages,and many themes are significantly related to emotional tendencies,among which population attributes,vaccine development,effectiveness and safety,and contraindications to vaccination are the focus of users’ attention and are strongly related to emotional tendencies.

关 键 词：网络问答社区 “新冠疫苗” 信息需求 主题分析 情感分析 

分 类 号：G203[文化科学—传播学]