arXiv:2603.26156cs.CLcs.CY2026-03

对比5种BERT模型在新闻框架识别中的表现,验证其适用性与鲁棒性。

Clash of the models: Comparing performance of BERT-based variants for generic news frame detection

  • 采用五种BERT变体模型进行通用新闻框架检测对比实验。
  • 提出可稳定执行框架识别的微调模型,提升分类性能。
  • 构建瑞士选举语境下的标注数据集,支持跨文化验证。

框架理论在政治传播中仍被广泛使用。随着变压器架构和大语言模型的发展,学者们近年来开始探索计算方法在演绎式框架识别中的应用。尽管多项研究证明不同变压器模型优于基于词袋特征的旧模型,但它们在分类任务中的相互比较仍存在争议。本研究在此背景下做出三项贡献:第一,系统比较五种BERT变体(BERT、RoBERTa、DeBERTa、DistilBERT 和 ALBERT)在通用新闻框架检测中的表现,推动计算文本分析在政治传播研究中的最佳实践讨论;第二,提出多种微调模型,实现稳健的通用新闻框架检测;第三,基于以往研究多聚焦美国数据的局限,本研究构建了基于瑞士选举语境的标注新闻框架数据集,有助于检验这些计算方法在不同语境下的鲁棒性。

原文摘要 · Abstract (English)

Framing continues to remain one of the most extensively applied theories in political communication. Developments in computation, particularly with the introduction of transformer architecture and more so with large language models (LLMs), have naturally prompted scholars to explore various novel computational approaches, especially for deductive frame detection, in recent years. While many studies have shown that different transformer models outperform their preceding models that use bag-of-words features, the debate continues to evolve regarding how these models compare with each other on classification tasks. By placing itself at this juncture, this study makes three key contributions: First, it comparatively performs generic news frame detection and compares the performance of five BERT-based variants (BERT, RoBERTa, DeBERTa, DistilBERT and ALBERT) to add to the debate on best practices around employing computational text analysis for political communication studies. Second, it introduces various fine-tuned models capable of robustly performing generic news frame detection. Third, building upon numerous previous studies that work with US-centric data, this study provides the scholarly community with a labelled generic news frames dataset based on the Swiss electoral context that aids in testing the contextual robustness of these computational approaches to framing analysis.

文本分类BERT模型框架分析瑞士数据

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