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Data Analysis and Knowledge Discovery  2019, Vol. 3 Issue (2): 43-51    DOI: 10.11925/infotech.2096-3467.2018.0546
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Research on Stock Market Weighted Prediction Method Based on Micro-blog Sentiment Analysis
Mingqing Zhao,Shengqiang Wu()
College of Mathematics and Systems Sciences, Shandong University of Science and Technology, Qingdao 266590, China
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Abstract  

[Objective] This paper aims to construct a stock market weighted prediction model based on micro-blog sentiment analysis. [Methods] Combining the Baidu index, using the time difference correlation coefficient and the random forest to select the initial keyword of micro-blog search, through the Web crawler to obtain the micro-blog information, using the text mining technology to deal with the micro-blog text, judge the emotional polarity of the micro-blog after the participle, analysis of influence factors on the influence of micro-blog, using information gain to determine the weight of micro-blog. [Results] The tendency of emotional integration is basically consistent with the trend of stock prices, and the result accuracy rate is higher. [Limitations] A better adjustment function for the frequency of words is needed. Feature selection does not take into account the relationships among features. [Conclusions] The empirical results show that the model has good prediction effect.

Key wordsBaidu Index      Micro-blog Sentiment      Micro-blog Influence      Stock Price      Prediction Model     
Received: 15 May 2018      Published: 27 March 2019

Cite this article:

Mingqing Zhao,Shengqiang Wu. Research on Stock Market Weighted Prediction Method Based on Micro-blog Sentiment Analysis. Data Analysis and Knowledge Discovery, 2019, 3(2): 43-51.

URL:

http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/10.11925/infotech.2096-3467.2018.0546     OR     http://manu44.magtech.com.cn/Jwk_infotech_wk3/EN/Y2019/V3/I2/43

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