Method and apparatus for filtering email spam based on similarity measures

a similarity measure and filtering technology, applied in electrical equipment, digital transmission, data switching networks, etc., can solve the problems of wasting time by downloading voluminous but useless advertisement information, unsolicited electronic messages (emails), and limited storage capacity of thin client systems such as pda's, network computers,

Inactive Publication Date: 2005-05-19
SYMANTEC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These electronic messages (emails) are usually unsolicited and regarded as nuisances by the recipients because they occupy much of the storage space needed for the necessary and important data processing.
Moreover, thin client systems such as set top boxes, PDA's, network computers, and pagers all have limited storage capacity.
In addition, a typical user wastes time by downloading voluminous but useless advertisement information.
However, as spam filtering grows in sophistication, so do the techniques of spammers in avoiding the filters.

Method used

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  • Method and apparatus for filtering email spam based on similarity measures
  • Method and apparatus for filtering email spam based on similarity measures
  • Method and apparatus for filtering email spam based on similarity measures

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Embodiment Construction

[0022] A method and apparatus for filtering email spam based on similarity measures are described. In the following description, numerous details are set forth. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.

[0023] Some portions of the detailed descriptions which follow are presented in terms of algorithms and symbolic representations of operations on data bits within a computer memory. These algorithmic descriptions and representations are the means used by those skilled in the data processing arts to most effectively convey the substance of their work to others skilled in the art. An algorithm is here, and generally, conceived to be a self-consistent sequence of steps leading to a desired result. The steps are those requiring physical man...

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Abstract

A method and system for filtering email spam based on similarity measures are described. In one embodiment, the method includes receiving an incoming email message, generating data characterizing the incoming email message based on the content of the incoming email message, and comparing the generated data with a set of data characterizing spam messages. The method further includes determining whether a resemblance between the data characterizing the incoming email message and any data item from the set of data characterizing spam messages exceeds a threshold.

Description

RELATED APPLICATIONS [0001] The present application claims priority to U.S. Provisional Application Ser. No. 60 / 471,242, filed May 15, 2003, which is incorporated herein in its entirety.FIELD OF THE INVENTION [0002] The present invention relates to filtering electronic mail (email); more particularly, the present invention relates to filtering email spam based on similarity measures. BACKGROUND OF THE INVENTION [0003] The Internet is growing in popularity, and more and more people are conducting business over the Internet, advertising their products and services by generating and sending electronic mass mailings. These electronic messages (emails) are usually unsolicited and regarded as nuisances by the recipients because they occupy much of the storage space needed for the necessary and important data processing. For example, a mail server may have to reject accepting an important and / or desired email when its storage capacity is filled to the maximum with the unwanted emails conta...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F15/16H04L12/58
CPCH04L12/58H04L12/583H04L51/12H04L51/063H04L12/585H04L51/212
Inventor GLEESON, MATTHOOGSTRATE, DAVIDJENSEN, SANDYMANTEL, ELIMEDLAR, ARTSCHNEIDER, KEN
Owner SYMANTEC CORP
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