Public opinion analysis and prediction method and system based on propagation big data analysis

The invention provides a public opinion analysis and prediction method and system based on propagation big data analysis. The method comprises the following steps of obtaining multi-mode public opinion data in a network; preprocessing the multi-mode public opinion data and extracting public opinion...

Full description

Saved in:
Bibliographic Details
Main Authors ZHAO WEN, TAN DONG, FU XIANGRU, XIONG CHAO, MA HUA, WANG HONGYU, HE JUN
Format Patent
LanguageChinese
English
Published 26.07.2024
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:The invention provides a public opinion analysis and prediction method and system based on propagation big data analysis. The method comprises the following steps of obtaining multi-mode public opinion data in a network; preprocessing the multi-mode public opinion data and extracting public opinion topics; public opinion keywords are obtained, matching retrieval is carried out in a public opinion database according to the public opinion keywords, and multiple pieces of target multi-mode public opinion data matched with the public opinion keywords are retrieved; performing multi-mode sentiment analysis on all the target multi-mode public opinion data to obtain a data sentiment polarity score; performing feature weighting calculation on the data emotion polarity score by combining the data release time and the data release area of the target multi-mode public opinion data to obtain a public opinion emotion polarity score of a target public opinion subject corresponding to the target subject label; and construct
Bibliography:Application Number: CN202410485150