Papers › Why Is It Hate Speech? Masked Rationale Prediction for Explainable Hate Speech Detection
Why Is It Hate Speech? Masked Rationale Prediction for Explainable Hate Speech Detection
Jiyun Kim, Byounghan Lee, Kyung-Ah Sohn
In a hate speech detection model, we should consider two critical aspects in addition to detection performance-bias and explainability. Hate speech cannot be identified based solely on the presence of specific words: the model should be able to reason like humans and be explainable. To improve the performance concerning the two aspects, we propose Masked Rationale Prediction (MRP) as an intermediate task. MRP is a task to predict the masked human rationales-snippets of a sentence that are grounds for human judgment-by referring to surrounding tokens combined with their unmasked rationales. As the model learns its reasoning ability based on rationales by MRP, it performs hate speech detection robustly in terms of bias and explainability. The proposed method generally achieves state-of-the-art performance in various metrics, demonstrating its effectiveness for hate speech detection.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Hate Speech Detection | HateXplain | BERT-MRP | AUROC | 0.862 | #1 of 11 | Archive leaderboard | report |
| Hate Speech Detection | HateXplain | BERT-MRP | Accuracy | 0.704 | #1 of 11 | Archive leaderboard | report |
| Hate Speech Detection | HateXplain | BERT-MRP | Macro F1 | 0.699 | #1 of 11 | Archive leaderboard | report |
| Hate Speech Detection | HateXplain | BERT-RP | AUROC | 0.853 | #2 of 11 | Archive leaderboard | report |
| Hate Speech Detection | HateXplain | BERT-RP | Accuracy | 0.707 | #2 of 11 | Archive leaderboard | report |
| Hate Speech Detection | HateXplain | BERT-RP | Macro F1 | 0.693 | #2 of 11 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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