Explain the Flag: Contextualizing Hate Speech Beyond Censorship

• URL: http://arxiv.org/abs/2604.14970v1
• Date: Thu, 16 Apr 2026 13:06:28 GMT
• Title: Explain the Flag: Contextualizing Hate Speech Beyond Censorship
• Abstract summary: We present a hybrid approach that combines Large Language Models (LLMs) with three newly created and curated vocabularies to detect and explain hate speech in English, French, and Greek.<n>Our system captures both inherently derogatory expressions tied to identity characteristics and direct group-targeted content through two complementary pipelines.<n>The outputs are fused into grounded explanations that clarify why content is flagged.
• Score: 2.796818629124347
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Hate, derogatory, and offensive speech remains a persistent challenge in online platforms and public discourse. While automated detection systems are widely used, most focus on censorship or removal, raising concerns for transparency and freedom of expression, and limiting opportunities to explain why content is harmful. To address these issues, explanatory approaches have emerged as a promising solution, aiming to make hate speech detection more transparent, accountable, and informative. In this paper, we present a hybrid approach that combines Large Language Models (LLMs) with three newly created and curated vocabularies to detect and explain hate speech in English, French, and Greek. Our system captures both inherently derogatory expressions tied to identity characteristics and direct group-targeted content through two complementary pipelines: one that detects and disambiguates problematic terms using the curated vocabularies, and one that leverages LLMs as context-aware evaluators of group-targeting content. The outputs are fused into grounded explanations that clarify why content is flagged. Human evaluation shows that our hybrid approach is accurate, with high-quality explanations, outperforming LLM-only baselines.

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