打通日美法律数据，实现跨国法条自动比对
Bridging National and International Legal Data: Two Projects Based on the Japanese Legal Standard XML Schema for Comparative Law Studies
- 用日本法律标准格式转换国际通用法律文档格式
- 通过多语言嵌入技术找到不同国家法律条文的对应关系
- 构建可视化跨法域法律网络，助力比较法研究
本文提出一个计算型比较法集成框架，基于日本法律标准（JLS）XML模式，通过两个连续项目实现。首个项目开发了从JLS到Akoma Ntoso（AKN）的标准转换管道，使日本法规可接入基于LegalDocML的国际立法数据库。在此基础上，第二个项目采用多语言嵌入模型与语义文本相似性技术，识别不同国家法律体系间的对应条款。原型系统结合多语言嵌入、FAISS检索与Cross-Encoder重排序，生成候选对应关系，并以跨司法管辖区网络形式可视化，支持探索性比较分析。
原文摘要 · Abstract (English)
This paper presents an integrated framework for computational comparative law by connecting two consecutive research projects based on the Japanese Legal Standard (JLS) XML schema. The first project establishes structural interoperability by developing a conversion pipeline from JLS to the Akoma Ntoso (AKN) standard, enabling Japanese statutes to be integrated into international LegalDocML-based legislative databases. Building on this foundation, the second project applies multilingual embedding models and semantic textual similarity techniques to identify corresponding provisions across national legal systems. A prototype system combining multilingual embeddings, FAISS retrieval, and Cross-Encoder reranking generates candidate correspondences and visualizes them as cross-jurisdictional networks for exploratory comparative analysis.
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