Automatic Textual Normalization for Hate Speech Detection

• URL: http://arxiv.org/abs/2311.06851v4
• Date: Thu, 25 Jul 2024 06:41:43 GMT
• Title: Automatic Textual Normalization for Hate Speech Detection
• Authors: Anh Thi-Hoang Nguyen, Dung Ha Nguyen, Nguyet Thi Nguyen, Khanh Thanh-Duy Ho, Kiet Van Nguyen,
• Abstract summary: Social media data contains a wide range of non-standard words (NSW) Current state-of-the-art methods for the Vietnamese language address this issue as a problem of lexical normalization. Our approach is straightforward, employing solely a sequence-to-sequence (Seq2Seq) model.
• Score: 0.8990550886501417
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Social media data is a valuable resource for research, yet it contains a wide range of non-standard words (NSW). These irregularities hinder the effective operation of NLP tools. Current state-of-the-art methods for the Vietnamese language address this issue as a problem of lexical normalization, involving the creation of manual rules or the implementation of multi-staged deep learning frameworks, which necessitate extensive efforts to craft intricate rules. In contrast, our approach is straightforward, employing solely a sequence-to-sequence (Seq2Seq) model. In this research, we provide a dataset for textual normalization, comprising 2,181 human-annotated comments with an inter-annotator agreement of 0.9014. By leveraging the Seq2Seq model for textual normalization, our results reveal that the accuracy achieved falls slightly short of 70%. Nevertheless, textual normalization enhances the accuracy of the Hate Speech Detection (HSD) task by approximately 2%, demonstrating its potential to improve the performance of complex NLP tasks. Our dataset is accessible for research purposes.

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