Towards Interpretable Hate Speech Detection using Large Language Model-extracted Rationales

• URL: http://arxiv.org/abs/2403.12403v2
• Date: Wed, 8 May 2024 02:47:36 GMT
• Title: Towards Interpretable Hate Speech Detection using Large Language Model-extracted Rationales
• Authors: Ayushi Nirmal, Amrita Bhattacharjee, Paras Sheth, Huan Liu,
• Abstract summary: Social media platforms are a prominent arena for users to engage in interpersonal discussions and express opinions. There arises a need to automatically identify and flag instances of hate speech. We propose to use state-of-the-art Large Language Models (LLMs) to extract features in the form of rationales from the input text.
• Score: 15.458557611029518
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Although social media platforms are a prominent arena for users to engage in interpersonal discussions and express opinions, the facade and anonymity offered by social media may allow users to spew hate speech and offensive content. Given the massive scale of such platforms, there arises a need to automatically identify and flag instances of hate speech. Although several hate speech detection methods exist, most of these black-box methods are not interpretable or explainable by design. To address the lack of interpretability, in this paper, we propose to use state-of-the-art Large Language Models (LLMs) to extract features in the form of rationales from the input text, to train a base hate speech classifier, thereby enabling faithful interpretability by design. Our framework effectively combines the textual understanding capabilities of LLMs and the discriminative power of state-of-the-art hate speech classifiers to make these classifiers faithfully interpretable. Our comprehensive evaluation on a variety of English language social media hate speech datasets demonstrate: (1) the goodness of the LLM-extracted rationales, and (2) the surprising retention of detector performance even after training to ensure interpretability. All code and data will be made available at https://github.com/AmritaBh/shield.

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