arXiv:2506.03484cs.CLcs.AI2025-06被引 22

用可解释AI指导数据增强,提升低资源语言模型性能。

Explainable AI: XAI-Guided Context-Aware Data Augmentation

  • 基于XAI分析选择性保留关键特征,避免语义漂移。
  • 在阿姆哈拉语数据集上提升准确率6.6%~8.1%。
  • 适合需要可解释性和上下文一致性的低资源语言任务。

可解释人工智能(XAI)已成为提升AI模型性能的强大工具,不仅提供透明度与可解释性。标注数据稀缺仍是构建鲁棒、泛化性强模型的核心挑战,尤其在低资源语言领域。传统数据增强方法引入噪声、引发语义漂移、破坏上下文连贯性、缺乏控制且易导致过拟合。为此,我们提出XAI引导的上下文感知数据增强框架。该方法利用XAI技术修改非关键特征,同时有选择地保留多数任务相关特征。通过迭代反馈机制,依据可解释性洞察与模型性能提升持续优化增强数据。实验表明,在使用XLM-R模型的阿姆哈拉语数据集上,XAI-SR-BT与XAI-PR-BT分别比基线提升准确率6.6%和8.1%,优于现有增强技术4.8%和5%。整体上,两种方法在所有任务与模型中均显著超越基线与传统增强方法。本研究为数据增强提供了更可控、可解释、上下文敏感的解决方案,突破现有方法局限,推动了利用XAI改进模型训练的新范式。

原文摘要 · Abstract (English)

Explainable AI (XAI) has emerged as a powerful tool for improving the performance of AI models, going beyond providing model transparency and interpretability. The scarcity of labeled data remains a fundamental challenge in developing robust and generalizable AI models, particularly for low-resource languages. Conventional data augmentation techniques introduce noise, cause semantic drift, disrupt contextual coherence, lack control, and lead to overfitting. To address these challenges, we propose XAI-Guided Context-Aware Data Augmentation. This novel framework leverages XAI techniques to modify less critical features while selectively preserving most task-relevant features. Our approach integrates an iterative feedback loop, which refines augmented data over multiple augmentation cycles based on explainability-driven insights and the model performance gain. Our experimental results demonstrate that XAI-SR-BT and XAI-PR-BT improve the accuracy of models on hate speech and sentiment analysis tasks by 6.6% and 8.1%, respectively, compared to the baseline, using the Amharic dataset with the XLM-R model. XAI-SR-BT and XAI-PR-BT outperform existing augmentation techniques by 4.8% and 5%, respectively, on the same dataset and model. Overall, XAI-SR-BT and XAI-PR-BT consistently outperform both baseline and conventional augmentation techniques across all tasks and models. This study provides a more controlled, interpretable, and context-aware solution to data augmentation, addressing critical limitations of existing augmentation techniques and offering a new paradigm shift for leveraging XAI techniques to enhance AI model training.

可解释AI数据增强低资源语言XAI

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