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Scientific Information Research

Keywords

sentiment analysis, emoticon feature, online public opinion, multi-feature fusion

Abstract

[Purpose/significance]In order to improve the effect of sentiment analysis of online public opinion,a multi-feature fusion sentiment analysis method integrating emoticon feature is proposed.[Method/process]After preprocessing,dictionary feature,emoticon feature and vector feature are combined to study the emotional orientation of sina Weibo data of a public health emergency by using support vector machine,and the effect of different feature construction methods is compared.[Result/conclusion]Emoticon feature has a significant impact on the sentiment analysis effect of online public opinion.Taking emoticon feature as one of the feature types of sentiment analysis and incorporating it into dictionary feature and vector feature can significantly improve the sentiment analysis effect of online public opinion.

First Page

13

Digital Object Identifier (DOI)

10.19809/j.cnki.kjqbyj.2020.04.002

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