Improving Spam Email Filtering Systems Using Data Mining Techniques

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Author(s): Wasan Shaker Awad (Ahlia University, Bahrain)and Wafa M. Rafiq (Ahlia University, Bahrain)
Copyright: 2020
Pages: 30
Source title: Implementing Computational Intelligence Techniques for Security Systems Design
Source Author(s)/Editor(s): Yousif Abdullatif Albastaki (Ahlia University, Bahrain)and Wasan Awad (Ahlia University, Bahrain)
DOI: 10.4018/978-1-7998-2418-3.ch003

Keywords: Artificial Intelligence / Computer Science & IT / Information Science Reference / IT Security and Ethics

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Abstract

Email is the most popular choice of communication due to its low-cost and easy accessibility, which makes email spam a major issue. Emails can be incorrectly marked by a spam filter and legitimate emails can get lost in the spam folder or the spam emails can deluge the users' inboxes. Therefore, various methods based on statistics and machine learning have been developed to classify emails accurately. In this chapter, the existing spam filtering methods were studied comprehensively, and a spam email classifier based on the genetic algorithm was proposed. The proposed algorithm was successful in achieving high accuracy by reducing the rate of false positives, but at the same time, it also maintained an acceptable rate of false negatives. The proposed algorithm was tested on 2000 emails from the two popular spam datasets, Enron and LingSpam, and the accuracy was found to be nearly 90%. The results showed that the genetic algorithm is an effective method for spam classification and with further enhancements that will provide a more robust spam filter.

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