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Register a new userImproving Counterfactual Generation for Fair Hate Speech Detection
تحسين جيل مضاد للكشف عن الكلام الكراهية العادلة
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تقلص نهج التحيز مع اعتماد النماذج على ميزات البيانات الحساسة للبيانات، مثل رموز المجموعة الاجتماعية (SGTS)، مما يؤدي إلى تنبؤات متساوية عبر الميزات الحساسة.ومع ذلك، في الكشف عن الكلام الكراهية، قد يتجاهل تكالير التعادل النموذجي الاختلافات المهمة بين الفئات الاجتماعية المستهدفة، حيث يمكن أن يحتوي خطاب الكراهية على لغة نمطية محددة لكل رقاقة.هنا، لاتخاذ لغة محددة حول كل رقص في الاعتبار، نعتمد على الإنصاف المتعارض واستكمال التنبؤات فيما بينها، ولدت من خلال تغيير SGTS.تقوم طريقتنا بتقييم التشابه في احتمالية الجملة (عبر نماذج اللغة المدربة مسبقا) بين الوسائل المتعددة، لعلاج SGTS على قدم المساواة إلا في سياقات قابلة للتبديل.من خلال تطبيق اقتران Logit لتحقيق التوازن في المجموعة المحظورة من مواجهة المصنع لكل حالة، فإننا نحسن مقاييس الإنصاف مع الحفاظ على الأداء النموذجي في اكتشاف خطاب الكراهية.
Bias mitigation approaches reduce models' dependence on sensitive features of data, such as social group tokens (SGTs), resulting in equal predictions across the sensitive features. In hate speech detection, however, equalizing model predictions may ignore important differences among targeted social groups, as hate speech can contain stereotypical language specific to each SGT. Here, to take the specific language about each SGT into account, we rely on counterfactual fairness and equalize predictions among counterfactuals, generated by changing the SGTs. Our method evaluates the similarity in sentence likelihoods (via pre-trained language models) among counterfactuals, to treat SGTs equally only within interchangeable contexts. By applying logit pairing to equalize outcomes on the restricted set of counterfactuals for each instance, we improve fairness metrics while preserving model performance on hate speech detection.
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We address the task of automatic hate speech detection for low-resource languages. Rather than collecting and annotating new hate speech data, we show how to use cross-lingual transfer learning to leverage already existing data from higher-resource l
anguages. Using bilingual word embeddings based classifiers we achieve good performance on the target language by training only on the source dataset. Using our transferred system we bootstrap on unlabeled target language data, improving the performance of standard cross-lingual transfer approaches. We use English as a high resource language and German as the target language for which only a small amount of annotated corpora are available. Our results indicate that cross-lingual transfer learning together with our approach to leverage additional unlabeled data is an effective way of achieving good performance on low-resource target languages without the need for any target-language annotations.
Hate speech detection is an actively growing field of research with a variety of recently proposed approaches that allowed to push the state-of-the-art results. One of the challenges of such automated approaches -- namely recent deep learning models
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In this paper, we describe experiments designed to evaluate the impact of stylometric and emotion-based features on hate speech detection: the task of classifying textual content into hate or non-hate speech classes. Our experiments are conducted for
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