首页|基于文本挖掘的智慧城市建设公众认知研究

基于文本挖掘的智慧城市建设公众认知研究

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社交媒体平台已成为公众获取智慧城市建设信息的重要来源.为探究公众对智慧城市建设的认知现状,对微博平台中智慧城市建设相关文本数据进行研究.运用LDA(潜在狄利克雷分布)主题模型得到公众关注的 6 个主题,运用基于情感词典的情感分析方法得到公众对智慧城市建设的情感倾向分布,并对消极文本进行可视化.结果表明,公众关注的主题可分为数字经济、技术应用、股票市场、人工智能、社会民生、政策发展,且公众对智慧城市建设普遍持积极态度.
Research on Public Perception of Smart City Construction Based on Text Mining
Social media platforms have become an important source for the public to obtain information about smart city construction.In order to explore the current situation of the public's perception of smart city construction,text data related to smart city construction in microblogging platforms is studied.The LDA(linear Discriminant analysis)topic model is used to get the six topics of public concern,the sentiment analysis method based on sentiment dictionary is used to get the distribution of public sentiment tendency towards smart city construction,and the negative text is visualized.The results show that the topics of public concern can be categorized into digital economy,technology application,stock market,artificial intelligence,social livelihood,and policy development,and that the public generally has a positive attitude towards smart city construction.

smart citiesLDA(linear Discriminant analysis)affective lexiconpublic perception

梁壮男

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安徽建筑大学数理学院,合肥 230601

智慧城市 LDA(潜在狄利克雷分布) 情感词典 公众认知

安徽省高校自然科学研究项目安徽建筑大学博士启动基金

KJ2020A04792020QDZ20

2024

科技和产业
中国技术经济学会

科技和产业

影响因子:0.361
ISSN:1671-1807
年,卷(期):2024.24(3)
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