现代情报2018，Vol.38Issue(6)：3-10,8.DOI:10.3969/j.issn.1008-0821.2018.06.001
舆情评论与新闻报道的话题识别及其主题关联分析
Topic Detection and Subject Association Analysis on Public Opinions and News Reports
摘要
Abstract
[ Purpose/Significance] Regarding to the phenomenon that news reports and public opinions of the same event were interdependent and also deviated from each other, the paperexplore the differences and similarities of public o-pinions triggered by news reports in subject content and time phasing by topic detection and subject association analysis. This research planed to study the resonance and deviation between public events reflected in public opinions and social real-ity reflected in news reports, which would provide a reference for exploring the communication rule of social public opinions and offer a basis for government to make scientific decisions. [ Process/Method] Based on Lasswell''s 5W communication model, LDA model and Python, the paper designed research ideas and process, crawled the corpus of news reports and their corresponding comments from Tencent News and Quaro and deeply analyzed the processed corpus. [ Results/Conclu-sion] The research results indicated that more derivative latent subjects would be found in public opinions events which partly diverged from the subjects of social reality; the developing trends of public opinions events conformed with that of so-cial reality; in addition, subjects of public opinions events reflected in social media were more than news media, while the subject content of social reality seemed similar on these two platforms.关键词
舆情评论/新闻报道/主题发现/舆情事件/社会现实/关联分析Key words
public opinions/news reports/topic discovery/public opinions events/social reality/association a-nalysis分类
社会科学引用本文复制引用
王曰芬,许杜娟,杨振怡,罗浩..舆情评论与新闻报道的话题识别及其主题关联分析[J].现代情报,2018,38(6):3-10,8.基金项目
南京理工大学科研训练 "百千万" 国家级项目 "舆情事件与社会现实关联的话题发现和社会舆情主题发现研究" (项目编号: 201610288040) （项目编号: 201610288040）
国家社会科学基金重点项目 "大数据环境下社会舆情与决策支持方法体系研究" (项目编号: 14AZD084) （项目编号: 14AZD084）
江苏高校哲学社会科学重点研究基地 "社会计算与舆情分析" (培育点). （培育点）
