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Compound decision based anti-rubbish E-mail error filtering method and system

A technology of spam and filtering methods, applied in transmission systems, digital transmission systems, electrical components, etc., to achieve the effect of avoiding false filtering and having strong operational flexibility

Inactive Publication Date: 2008-03-05
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, single-rule matching filtering has relatively large limitations, and false filtering is inevitable.

Method used

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  • Compound decision based anti-rubbish E-mail error filtering method and system

Examples

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Embodiment 1

[0022] As shown in Figure 2, the anti-spam mis-filtering system based on comprehensive decision-making is connected to the local client and the local mail server through the network, including the rule scoring definition library, spam threshold library, spam decision evaluation system and n The first filter rule module is connected to the local client through the network, the first to nth filter rule modules are connected in turn, the nth filter rule module is connected to the local mail server through the network, and each filter rule The modules are respectively connected with the rule scoring definition library, the spam threshold library, and the spam decision evaluation system.

[0023] Described filter rule module comprises that the number of full-text matching mail exceeds threshold filter rule module, specific keyword filter rule module, contains URL link filter rule module, contains image filter rule module, non-Chinese mail filter rule module; described specific keywo...

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Abstract

The method includes steps: establishing filtration rules, definition base for rule rating, threshold value base (TVB) for garbage mail (GM), and establishing decision and judgment system (DJS) for GM; mail sent from local client end enters into first filtration rule to carry out matching process so as to obtain a rank score, and then the mail is forwarded to DJS for GM to carry out comparison; DJS for GM adds up the rank scores so as to obtain overall rank score (ORS), which is compared with threshold value (TV) for rating GM setup in TVB; if ORS is higher than TV of GM, then the mail is as GM, and if ORS is lower than TV of GM, then the mail is going to next filtration rule to carry out matching process right along repeatedly till to n pieces of filtration rules are matched completely; and if ORS is still lower than TV of GM, then the mail is a normal. The invention prevents mails from error filtering since the invention changes practice that using single rule judges GM directly.

Description

technical field [0001] The invention relates to Internet spam filtering technology, in particular to an anti-spam misfiltering method and system based on comprehensive decision-making. Background technique [0002] With the popularization of the Internet in the world, network applications have entered people's lives and are playing an increasingly important role. While the rapid development of the Internet has brought us benefits, it has also provided new criminal technical means and space for various criminals. Some criminals use the Internet to carry out various illegal and criminal activities. All kinds of reactionary, obscene, A large amount of harmful information such as pornography, superstition, and violence is disseminated, and hostile forces at home and abroad also use the Internet to infiltrate, instigate, and sabotage activities. The situation is serious, which has endangered national security and social stability, and endangered the construction of socialist spir...

Claims

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Application Information

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IPC IPC(8): H04L12/58G06F17/30G06Q10/00G06Q10/10
Inventor 隆承志张凌董守斌许勇陈启愉黄永杰罗杏娥
Owner SOUTH CHINA UNIV OF TECH
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