Method based on content similarity for improving recognition accuracy of spam message numbers

A technology for identifying the accuracy rate and signal code. It is applied in wireless communication, electrical components, security devices, etc. It can solve the problems of normal user number spam, normal number SMS sending unsuccessful, etc., and achieve the effect of improving the accuracy rate.

Inactive Publication Date: 2011-06-29
SHANGHAI LIANGJIANG COMM SYST
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, for normal numbers that frequently send text messages, if the frequency of sending text messages is relatively high, it will also cause normal user numbers to be listed as spam SMS numbers, resulting in failure to send text messages to normal numbers

Method used

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  • Method based on content similarity for improving recognition accuracy of spam message numbers
  • Method based on content similarity for improving recognition accuracy of spam message numbers
  • Method based on content similarity for improving recognition accuracy of spam message numbers

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Embodiment Construction

[0024] A method for improving the accuracy of spam SMS number identification based on the same degree of content of the present invention, the implementation method: setting the threshold of the same degree of content; within the set time range, recording each short message sent by the calling number, in Increase the short message content feature value in every short message attribute; When the number of short messages sent by the calling number exceeds the threshold in the set time range, calculate the same degree of content of the short messages sent by the calling number, and the same degree of content=(the number of short messages-no the number of repeated text message content) / the percentage of the number of short messages; when the content identity exceeds the set content identity threshold, the calling number is considered to be a spam number; when the content identity does not reach the set content identity threshold, Then the calling number is not considered to be a sp...

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PUM

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Abstract

The invention discloses a method based on content similarity for improving recognition accuracy of spam message numbers, which comprises the following steps: setting a threshold value of the content similarity; recording all messages sent by a calling number within a set time range, and adding the content characteristic valve according to the characteristics of all the messages; calculating the content similarity of the messages sent by the calling number when the quantity of the messages sent by the calling number exceeds the threshold value within the set time range; judging the calling number as a spam message number if the content similarity exceeds the set threshold value; and vice verse. By adopting the method provided by the invention, the recognition accuracy of the spam messages can be improved, the sending behaviors of a user can be analyzed according to the distribution condition of message contents when the messages are over frequent, the normal message numbers are ruled out, and the intercept rate to the spam messages is improved.

Description

technical field [0001] The invention relates to a method for improving the recognition accuracy of spam short message numbers when counting short messages according to traffic, in particular to a method for improving the recognition accuracy of spam short message numbers based on content identity. Background technique [0002] As a basic service of mobile communication network, short message service not only provides users with convenient message communication service, but also provides a channel for the dissemination of information garbage. However, spam messages are becoming more and more serious. Spam messages not only bring adverse effects of user complaints, but also have the problem of malicious arrears. Therefore, real-time monitoring and interception of spam messages is required. [0003] The characteristics of spam text messages are as follows: 1. The number of words is large; 2. The content is repeated. [0004] According to the content characteristics of spam tex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/14H04W12/12H04W12/128
Inventor 周劲肖克华
Owner SHANGHAI LIANGJIANG COMM SYST
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