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LLM-based IR-system for Bank Supervisors
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本文介绍了一种专为银行监管者设计的创新信息检索系统,旨在辅助监管者制定一致且有效的监管措施,通过检索历史案例,提供政策制定的基础。系统采用多种匹配技术,并通过蒙特卡洛方法验证其性能,最终模型表现优于传统模型。

arXiv:2508.02945v1 Announce Type: cross Abstract: Bank supervisors face the complex task of ensuring that new measures are consistently aligned with historical precedents. To address this challenge, we introduce a novel Information Retrieval (IR) System tailored to assist supervisors in drafting both consistent and effective measures. This system ingests findings from on-site investigations. It then retrieves the most relevant historical findings and their associated measures from a comprehensive database, providing a solid basis for supervisors to write well-informed measures for new findings. Utilizing a blend of lexical, semantic, and Capital Requirements Regulation (CRR) fuzzy set matching techniques, the IR system ensures the retrieval of findings that closely align with current cases. The performance of this system, particularly in scenarios with partially labeled data, is validated through a Monte Carlo methodology, showcasing its robustness and accuracy. Enhanced by a Transformer-based Denoising AutoEncoder for fine-tuning, the final model achieves a Mean Average Precision (MAP@100) of 0.83 and a Mean Reciprocal Rank (MRR@100) of 0.92. These scores surpass those of both standalone lexical models such as BM25 and semantic BERT-like models.

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银行监管 信息检索系统 政策制定 数据匹配 性能评估
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