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...
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Main Authors | , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
26.07.2024
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Subjects | |
Online Access | Get full text |
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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 |
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Bibliography: | Application Number: CN202410485150 |