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Chinese sentiment analysis method and system

A technology of sentiment analysis and emotion, applied in the field of sentiment analysis, can solve problems such as the lack of delicateness in analyzing emotions, and achieve the effect of improving accuracy

Active Publication Date: 2018-02-02
SHENZHEN LAN YOU TECH
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method temporarily improves the accuracy rate based on a large number of training sets, which is generally about 75%, the work of labeling the training set is so voluminous that users are discouraged; in addition, the granularity of the manual labeling training set leads to this method. The ability to analyze emotional delicacy, or weak ability

Method used

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  • Chinese sentiment analysis method and system

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Embodiment 1

[0045] This embodiment provides a Chinese emotion analysis method, such as figure 1 As shown, the method includes the following steps:

[0046] S101. Obtain all the emotional words in the Chinese sentence, and obtain the positive emotional weight and negative emotional weight of each emotional word.

[0047] First, we have a weighted sentiment dictionary. Each sentiment word in the weighted sentiment dictionary is marked with a positive sentiment weight and a negative sentiment weight, so that when we get the sentiment words, we can get the sentiment matrix of the sentiment words (comprising emotional words, and positive emotional weights and negative emotional weights corresponding to emotional words).

[0048] S102. Obtain the adverb corresponding to each emotional word from the Chinese sentence, obtain the weight of the corresponding adverb, and modify the positive or negative emotional weight of the emotional word according to the weight of the corresponding adverb.

[0...

Embodiment 2

[0056] The Chinese sentiment analysis method provided by the embodiment of the present invention is to supplement the steps and content on the basis of the first embodiment. For details not yet detailed in this embodiment, please refer to the first embodiment.

[0057] Such as figure 2 As shown, the Chinese sentiment analysis method includes the following steps:

[0058] S100. Construct a weighted sentiment dictionary in advance; the weighted sentiment dictionary includes sentiment words and positive sentiment weights and negative sentiment weights corresponding to the sentiment words.

[0059] With the evolution of Chinese, emotional words are still increasing. In the process of text analysis, we have accumulated a large number of emotional words and constructed a weighted emotional dictionary, including about 20,000 Chinese emotional words. The original emotional dictionary is as follows Table 1, just arbitrarily divides emotional vocabulary into positive emotional tendenc...

Embodiment 3

[0091] The Chinese sentiment analysis system provided by the embodiment of the present invention corresponds to the method of the first embodiment, and the details of this embodiment can be referred to the first embodiment.

[0092] refer to image 3 , a Chinese sentiment analysis system, including the following modules:

[0093] The first acquisition module 101 is configured to acquire all emotional words in the Chinese sentence, and acquire the positive emotional weight and negative emotional weight of each emotional word.

[0094] The second acquiring module 102 is configured to acquire the adverb corresponding to each emotional word from the Chinese sentence, and acquire the weight of the corresponding adverb.

[0095] A modification module 103, configured to modify the positive or negative emotional weight of the emotional word according to the weight of the corresponding adverb.

[0096] The third acquiring module 104 is configured to acquire the negative word correspo...

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Abstract

The invention provides a Chinese sentiment analysis method and system. The method comprises the following steps that: obtaining all sentiment words in Chinese statement, and obtaining the positive sentiment weight and the negative sentiment weight of each sentiment word; obtaining an adverb corresponding to each sentiment word in the Chinese statement, obtaining the weight of the corresponding adverb, and revising the positive sentiment weight or the negative sentiment weight of the sentiment word according to the weight of the corresponding adverb; obtaining a negative word corresponding to each sentiment word from the Chinese statement, and regulating the revised positive sentiment weight and negative sentiment weight according to the number of the negative words; and according to all sentiment words, through corresponding adverb weight and the positive sentiment weight or the negative sentiment weight of which the number of the negative words is regulated, and obtaining Chinese statement sentiment tendency. By use of the method, the adverb corresponding to the sentiment word is considered when the sentiment tendency of the Chinese statement is analyzed, the method has an abilityof analyzing sentiment exquisiteness, the negative words are considered, and sentiment analysis accuracy is improved.

Description

technical field [0001] The present invention relates to the technical field of emotion analysis, and more specifically, relates to a Chinese emotion analysis method and system. Background technique [0002] The so-called sentiment analysis of text is to analyze the emotional tendency of a piece of text (mainly referring to Chinese). As the basic work of public opinion monitoring, it naturally has many uses. Social networks are becoming more and more popular, and there are more and more famous bloggers or opinion leaders. Sites that allow users to rate goods and services are springing up. Users' evaluations and suggestions can be disseminated throughout the network. There is no doubt that these text-type data It is the power source of precision marketing. Enterprises can establish their own digital image based on sentiment analysis, identify new market opportunities, do a good job of market segmentation, and then promote the successful launch of products; but grasping the val...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/27
CPCG06F40/205
Inventor 宋云生
Owner SHENZHEN LAN YOU TECH
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