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Text categorizing method, device and system

A text classification and text technology, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve the problems of poor classification effect of text classification methods, and achieve the effect of improving classification accuracy and reducing feature space.

Inactive Publication Date: 2013-08-14
SHENZHEN SHI JI GUANG SU INFORMATION TECH
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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a text classification method, which aims to solve the problem of poor classification effect of the existing text classification method based on word feature extraction

Method used

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  • Text categorizing method, device and system
  • Text categorizing method, device and system
  • Text categorizing method, device and system

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] The embodiment of the present invention uses the part of speech of each word in the text as a feature to perform feature extraction and classification, which greatly reduces the feature space, and therefore can select a relatively complex and accurate classification model in the classifier to classify the text to be classified, greatly Improved classification accuracy.

[0019] figure 1 The implementation flow of the text classification method provided by the first embodiment of the present invention is shown, and the details are as follows:

[0020] In step S101, features of the text to b...

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Abstract

The invention is applicable to the technical field of internet text categorizing and provides a text categorizing method, device and system. The method includes: extracting characteristics of texts to be categorized; and categorizing the texts to be categorized according to the characteristics of the texts to be categorized to obtain normal texts and junk texts, wherein the characteristics include word properties in the texts to be categorized. By using the property of each word in the texts as the characteristics to conduct characteristic extraction and categorizing, characteristic space is greatly reduced, a relatively complex and precise categorizing model can be selected from a categorizer to categorize the texts to be categorized, and the categorizing accuracy is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of Internet text classification, and in particular relates to a text classification method, device and system. Background technique [0002] The good openness and interactivity of the Internet has brought about the problem of spam texts. Some unscrupulous users publish a large amount of political, advertising and pornographic content through the Internet, which seriously endangers public network security. Therefore, it is necessary to classify the text information uploaded by users , to filter out junk text from it. [0003] Existing text classification methods are based on words for feature extraction. Since any language has a large number of vocabulary, the feature extraction based on words has the problem of huge feature space on the one hand, which limits the performance of the classifier. On the one hand, compared with the huge feature space, the number of texts that can be obtained for training is rel...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 何晓宁勇凤伟
Owner SHENZHEN SHI JI GUANG SU INFORMATION TECH
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