Method for calculating and analyzing microblog topic public opinions

Abstract

The invention discloses a method for calculating and analyzing microblog topic public opinions. The method comprises the following steps that: S1: utilizing crawler software to capture microblog data,and preprocessing the captured data; S2: establishing a text sentiment lexicon and an expression icon sentiment lexicon required for sentiment calculation; S3: according to the like number, the number of comments and the re-sharing number of a microblog, calculating the diffusance of the microblog topic, and taking the calculated diffusance as one factor for calculating the microblog topic publicopinion; S4: calculating a microblog topic sentiment tendency: for microblog contents which do not contain expression icons, directly taking the established text sentiment lexicon as a sentiment dictionary, utilizing Naive Bayes to finish calculation, for the microblog which contains the expression icons, independently calculating a text sentiment tendency and an expression icon sentiment tendency, and finally, synthesizing the sentiment tendencies of two parts to realize sentiment tendency calculation; and S5: carrying out microblog public opinion analysis: combining the diffusance of the microblog topic with the topic sentiment tendency to realize the analysis of the microblog public opinions. By use of the method, the calculated microblog topic public opinion is more accurate.

Description

technical field [0001] The invention relates to a microblog public opinion analysis and calculation method, which belongs to the intersection field of news communication and computer technology. Background technique [0002] Nowadays, Weibo occupies an increasingly important position in people's life. People can participate in discussions on current affairs, film and television, and even celebrity life through the Weibo platform. Because the current Weibo platform has no threshold restrictions, and is simple and casual, these characteristics have made the number of Weibo users continue to grow in recent years. Anyone can sign up to use it, and organizations such as corporations, charities and government departments are beginning to use Weibo as a marketing and public relations management tool. This situation has made Weibo a popular platform for expressing feelings and opinions. At the same time, some opinions and ideas in Weibo will influence Weibo users to make some dec...

AI Technical Summary

Problems solved by technology

[0003] In today's technology, the research on the emotional tendency analysis of Weibo has not calculated the emoticons in Weibo into the emotional tendency of Weibo in detail, as the emoticons that are necessary to express the emotion of Weibo, if in the analysis of Weibo emotional tendency If not considered, it will relatively reduce the accuracy of sentiment analysis

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