Text filtering method based on emotional orientation analysis against malicious information

A technology of emotional tendency and bad information, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve problems such as inability to accurately determine bad text, and achieve the effect of improving filtering efficiency

Inactive Publication Date: 2010-02-03
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
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Problems solved by technology

[0029] The purpose of the present invention is to propose a text filtering method based on emotional tendency analy...

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  • Text filtering method based on emotional orientation analysis against malicious information
  • Text filtering method based on emotional orientation analysis against malicious information
  • Text filtering method based on emotional orientation analysis against malicious information

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Embodiment Construction

[0054] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0055] The test experiment selected 5 texts supporting Taiwan independence, 95 texts opposing Taiwan independence and 100 texts not related to Taiwan independence. The purpose of filtering is to mark and filter bad information texts that support Taiwan independence.

[0056] Use a system proposed by the present invention to filter bad information based on a text filtering method based on sentiment analysis, and the specific steps are:

[0057] On the basis of establishing a good emotional dictionary, the operation steps are as follows:

[0058] Step 1. Text preprocessing

[0059] First, the text is preprocessed, including word segmentation for Chinese, removal of stop words, and feature weight calculation to obtain the feature vector of the text. The specific operation steps adopt the existing text preprocessing method.

[0060] Step 2. Cont...

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Abstract

The invention relates to a text filtering method based on emotional orientation analysis against malicious information, which belongs to the technical field of computer applications and is applicableto content filtering firewalls, content filtering gateways and the like. The method is based on text content analysis, adds the text emotional analysis method and judges whether a text is the malicious information text or not according to a theme and emotional orientation of the text, thereby improving the accuracy of filtering the malicious information text.

Description

technical field [0001] The invention relates to a text filtering method based on emotional tendency analysis for bad information, belongs to the technical field of computer applications, and is suitable for content filtering firewalls, content filtering gateways, and the like. Background technique [0002] With the rapid development and widespread use of the Internet, massive amounts of online information continue to emerge. The content of these information varies, including pornography, cults, gambling and other harmful information. For this reason, more and more people use the method of information filtering to disseminate and utilize information selectively. Since most of the information on the Internet is presented in the form of text, the text filtering technology has developed rapidly. [0003] The early text filtering technology was mainly mechanical, that is, a simple keyword matching method. This text filtering method is simple and applicable, and is not limited b...

Claims

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Application Information

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IPC IPC(8): G06F17/21G06F17/30
Inventor 胡昌振姚淑萍芦锦辉张欣
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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