Analysis and Mining of Internet Public Opinion Based on LDA Subject Classification

Authors

  • Mei Zhang Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China
  • Huihui Su Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China
  • Jinghua Wen Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China

DOI:

https://doi.org/10.13052/jwe1540-9589.20811

Keywords:

Online public opinion; LDA; Co-occurrence knowledge graphs;Visualization

Abstract

This paper uses Python, R language, Gephi and other software to crawl and classify the comment content of Weibo hot search events. Using word cloud, co-occurrence social network graphs, LDA topic classification visualization methods, this paper regularizes and integrates public opinions of hot events. Through this research, we can get the influence of public opinion mediators, public opinion objects, and government forces on the network public opinion and put forward corresponding improvement suggestions. We hope to contribute to the government’s governance and prevention of online public opinion during the spread of COVID-19 and other public hot events.

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Author Biographies

Mei Zhang, Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China

Mei Zhang was born in Guanzhou Village, Tong Ren; China in 1974. She received her master’s degree from the Department of Computer Science at Guizhou University, in 2002 and the Ph.D. degree in Photogrammetry and Remote Sensing from Wuhan University, CHINA, in 2008.

From 2006 to 2010, she is an associate professor of computer science at the information institute of guizhou institute of finance and economics. She was promoted to professor of computer science in 2010. In recent years, she published three monographs in science publishing house, published more than 50 papers, among which sci, ei, istp included more than 30 as the first author.She has published extensively in various research areas of Computer Science, such as computer vision, data mining, information safety, green data center, e-commerce, and three-dimensional reconstruction.

Prof. Mei Zhang won the third prize in natural science of Guizhou province in 2019, ranking first. In May 2017, she was awarded the Third Prize for Advanced Individuals in Scientific Research at Guizhou University of Finance and Economics in 2016. Her paper “the realization of pb7.0 general arbitrary field query technology”, published as an independent author, won the third prize of the first excellent academic paper of natural science in guizhou province in 2006 “mobile communication cup”.

Huihui Su, Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China

Huihui Su was born on Marchr 28, 1994 in Zhongzhao Township, Neihuang County, Anyang City, Henan Province. She received a bachelor’s degree in accounting from Cheng Yi College, Jimei University in July 2018.

She studied for a master’s degree in Library and Information from 2018 to 2021 at the School of Information, Guizhou University of Finance and Economics. She is a master candidate in Guizhou University of Finance and Economics. Her major is Library and Information. His research interests include Financial data analysis, Hotspot analysis of rural inclusive finance, e-commerce, big data, library and information science.

Jinghua Wen, Information Institute, Guizhou University of Financial and Economics, Guiyang, Guizhou, China

Jinghua Wen was born in RenHe Village, Tong Ren; China in 1975. He received his master’s degree from the Institute of Computer Software and Theory at Guizhou University, in 2002 and the Ph.D. degree in Computer Software and Theory from Guizhou University, CHINA, in 2006.

From 2003 to 2007, he was a lecturer in computer science at the information institute of Guizhou institute of finance and economics. He was promoted to professor of computer science in 2007. He published three monographs in science publishing house, published more than 50 papers, among which sci, ei, istp included more than 30 as the first author or a second author or correspondence author. His research interests include computer software and theory, Computer vision, information safety, big data, e-commerce and Cloud computing.

Prof. Jinghua Wen won the third prize in natural science of Guizhou province in 2019, ranking second. He won the second prize for scientific and technological progress in Guizhou province in 2013, ranking second. He won the first Youth Innovation Talent Award in Guizhou Province in 209 years, ranking first.

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Published

2021-11-21

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