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Computer-Aided Comparative Law on Meiji Civil Code

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Part of the Lecture Notes in Computer Science book series (LNAI,volume 13856)

Abstract

We propose the framework to analyze the legislative study on the Meiji civil code. Comparative law research on the Meiji civil code and foreign codes has been done manually by legal scholars. In principle, they have to compare all the combinations of articles from the Meiji civil code and a foreign code. As the number of the combination is enormous, comparative law researches have been a slavery task. Therefore, there is a need to reduce the amount of work by using computers. Our research aims to support comparative law research by automatically estimating the reference relation by computer. In order to accomplish this objective, we defined the problem of estimating the reference articles of foreign codes. We used the seven types of distance measures used by document and string comparison. Then, we verified our proposed method by comparing the estimated reference articles of foreign codes with the actual reference articles. The results based on the Jaccard distance were the best. In addition, we verified the effectiveness of our method by comparing the results with the studies of jurists. As a result, we found that the proposed method gives results that agree with actual jurists’ knowledge and can support comparative law by computers.

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Correspondence to Yoichi Takenaka .

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Koyama, K., Sano, T., Takenaka, Y. (2023). Computer-Aided Comparative Law on Meiji Civil Code. In: Yada, K., Takama, Y., Mineshima, K., Satoh, K. (eds) New Frontiers in Artificial Intelligence. JSAI-isAI 2021. Lecture Notes in Computer Science(), vol 13856. Springer, Cham. https://doi.org/10.1007/978-3-031-36190-6_4

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  • DOI: https://doi.org/10.1007/978-3-031-36190-6_4

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-36189-0

  • Online ISBN: 978-3-031-36190-6

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