An empirical study of supervised email classification in Internet of Things: Practical performance and key influencing factors

Wenjuan Li, Lishan Ke, Weizhi Meng*, Jinguang Han

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

Abstract

Internet of Things (IoT) is gradually adopted by many organizations to facilitate the information collection and sharing. In an organization, an IoT node usually can receive and send an email for event notification and reminder. However, unwanted and malicious emails are a big security challenge to IoT systems. For example, attackers may intrude a network by sending emails with phishing links. To mitigate this issue, email classification is an important solution with the aim of distinguishing legitimate and spam emails. Artificial intelligence especially machine learning is a major tool for helping detect malicious emails, but the performance might be fluctuant according to specific datasets. The previous research figured out that supervised learning could be acceptable in practice, and that practical evaluation and users' feedback are important. Motivated by these observations, we conduct an empirical study to validate the performance of common learning algorithms under three different environments for email classification. With over 900 users, our study results validate prior observations and indicate that LibSVM and SMO-SVM can achieve better performance than other selected algorithms.
Original languageEnglish
JournalInternational Journal of Intelligent Systems
Volume37
Issue number1
Pages (from-to)287-304
ISSN0884-8173
DOIs
Publication statusPublished - 2022

Keywords

  • Artificial intelligence
  • Email classification
  • IoT security
  • Spam detection
  • Supervised learning

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