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Text sentiment analysis method and system based on natural language processing

A technology of natural language processing and sentiment analysis, applied in semantic analysis, text database clustering/classification, electronic digital data processing, etc., can solve the problems of wrong emotional judgment, poor classification effect, low accuracy rate, etc., to improve the accuracy , to avoid the effect of text emotional misjudgment

Active Publication Date: 2018-05-08
GUANGZHOU YUNRUNDA DATA SERVICES CO LTD
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AI Technical Summary

Problems solved by technology

Therefore, the text sentiment analysis results obtained by the existing text sentiment analysis methods are prone to the problem of wrong judgment of sentiment, poor classification effect and low accuracy.

Method used

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  • Text sentiment analysis method and system based on natural language processing
  • Text sentiment analysis method and system based on natural language processing

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] see figure 1 , which is a flowchart of a text sentiment analysis method based on natural language processing in the present invention, and the text sentiment analysis method based on natural language processing includes:

[0052] S1: collect the text to be recognized;

[0053] S2: Perform semantic scene analysis on the text to be recognized, and obtain the emotional subject and theme of the text to be recognized;

[0054] S3: According to the preset emotio...

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Abstract

The invention discloses a text sentiment analysis method and system based on natural language processing. The text sentiment analysis method based on natural language processing includes the steps ofcollecting a text to be recognized; performing semantic scene analysis on the text to be recognized to obtain a sentiment subject and a theme of the text to be recognized; according to a preset sentiment vocabulary comparison table, respectively judging sentiment tendency of the sentiment subject and the theme of the text to be recognized; according to the sentiment tendency of the sentiment subject and the theme of the text to be recognized, judging sentiment tendency of the text to be recognized. By means of the text sentiment analysis method based on natural language processing, the problemof misjudgment of text sentiment can be effectively avoided, and accuracy of judgment for complex text sentiment is improved.

Description

technical field [0001] The invention relates to the field of natural language processing, in particular to a text sentiment analysis method based on natural language processing. Background technique [0002] With the development of the Internet, various network applications emerge spontaneously. Netizens can post all kinds of speeches on the Internet, thus generating a large amount of text information. The data sources of these information can be blogs, forums, microblogs, etc. These comment information express the various emotions and emotional tendencies of users, which not only provides a platform for merchants to display information, but also provides a platform for consumers (that is, users ) provides a platform for product experience exchange. How to extract this type of text with emotion from these massive texts, and analyze and research the text emotion, has a strong application value. For example, users can understand the information of the product based on the pr...

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Application Information

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IPC IPC(8): G06F17/30G06F17/27G06K9/62
CPCG06F16/35G06F40/30G06F18/241
Inventor 晋彤张中弦
Owner GUANGZHOU YUNRUNDA DATA SERVICES CO LTD
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