Research on sentiment analysis of microblogging based on LSA and TF-IDF

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... The anonymity of Weibo makes peo- ple being willing to express their real sentiments. Many existing techniques of sentiment analysis are based on sen- timent lexicons and traditional feature engineering [1]- [8]. Most of these methods need resort to external resource or manually preprocess features of words. ...
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https://www.researchgate.net/publication/324462809_Research_on_sentiment_analysis_of_microblogging_based_on_LSA_and_TF-IDF
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