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September 30, 2025ElectronicsOpen Access

A Comparative Evaluation of a Multimodal Approach for Spam Email Classification Using DistilBERT and Structural Features

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Authors

HAHalim AsliyuksekÖTÖzgür TonkalRKRamazan Kocaoğlu

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Overview

Evaluation shows that a multimodal approach improves spam detection using deep learning and machine learning techniques.

Key Points

  • A multimodal architecture combining DistilBERT and structural features achieved a 99.62% test score.
  • Random Forest was identified as the most effective classical machine learning method in spam classification.
  • The study highlights the challenge of concept drift, indicating that models showed performance degradation on modern spam.
  • DistilBERT demonstrated better robustness against temporal decay compared to traditional spam detection systems.

Cite This Study

Asliyuksek et al. (2025) studied this question.

synapsesocial.com/papers/68dc12d38a7d58c25ebb11b8https://doi.org/10.3390/electronics14193855
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