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Scooped by
Stéphane Cottin
July 10, 1:10 PM
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Recherche documentaire juridique : méthodologie - Édition 2025-2026 de Stéphane Cottin, Vincent De Briant, Audrey Zians, sur la librairie juridique Lgdj.fr
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Stéphane Cottin
Today, 1:24 AM
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In 2020, we published a comprehensive overview of the landscape of computational legal analysis. Since then, the emergence of large language models (LLMs) has f
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Stéphane Cottin
October 11, 5:43 AM
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The Structure-Aware Temporal Graph RAG (SAT-Graph RAG) addresses core limitations of standard Retrieval-Augmented Generation in the legal domain by providing a verifiable knowledge graph that models hierarchical structure, temporal evolution, and causal events of legal norms. However, a critical gap remains: how to reliably query this structured knowledge without sacrificing its deterministic properties. This paper introduces the SAT-Graph API, a formal query execution layer centered on canonical actions-atomic, composable, and auditable primitives that isolate probabilistic discovery from deterministic retrieval. These actions enable: (i) high-precision hybrid search; (ii) robust reference resolution; (iii) point-in-time version retrieval; and (iv) auditable causal tracing. We demonstrate how planner-guided agents can decompose complex queries into Directed Acyclic Graphs (DAGs) of these actions. This two-layer architecture transforms retrieval from an opaque black box to a transparent, auditable process, directly addressing Explainable AI (XAI) requirements for high-stakes domains.
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Scooped by
Stéphane Cottin
October 10, 2:00 AM
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Navigating and retrieving relevant excerpts of legislation is challenging, requiring time and effort, especially to fine-tune appropriate input search queries. Furthermore, the continuously growing, heterogeneous body of laws, combined with a deep interconnection among normative acts, adds a layer of complexity: some potentially relevant rules may be hidden in articles that, through multiple citations and references, might be relevant for the input query. Traditional search systems, based on keywords or more sophisticated approaches as BM25 or TF-IDF, do not support such flexible exploration, being ineffective at handling contextual information. To address these challenges, recent research proposed using graph data models for legislative knowledge management, introducing a straightforward approach to handling network complexity. They adopted the Property Graph data structure, demonstrating how it provides semantics and navigation power, supporting advanced querying tools for legislative acts, and implemented it on the Italian legislation. In this paper, we build on recent results on legislative knowledge management with graphs by proposing LegisSearch, an effective navigation system that, combining the graph data model with pre-trained Large Language Models and universal text embeddings, allows users to conduct powerful searches within a legislative system. We implement LegisSearch within the Italian graph of national laws, and we test its performance across multiple domains by comparing its search results with those provided in specific thematic areas by Italian ministries on their official websites, demonstrating its superior retrieval performance over traditional search systems and testing the contribution of each component.
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Stéphane Cottin
October 9, 1:48 AM
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This article explores the transformative role of Artificial Intelligence (AI) in judicial processes, highlighting its potential to enhance efficiency, accuracy,
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Stéphane Cottin
October 6, 3:32 PM
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This short article offers a practical guide for using AI tools to improve the judgment and efficiency of lawyers, mediators, and arbitrators. It
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Stéphane Cottin
October 2, 3:18 PM
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This paper proposes a comprehensive theoretical framework for evaluating AI performance in constitutional scholarship, addressing differential accuracy acros
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Stéphane Cottin
October 1, 1:26 AM
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Why edit a constitutional law casebook? One might want to shape how professors teach the subject and how students learn it. But the influence of casebook editor
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Stéphane Cottin
September 30, 6:34 AM
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Le droit, qu’est-ce que c’est ? De quoi est-il composé et qui le « fabrique » ? Que veut dire vivre dans un État de droit ? Ces notions fondamentales sont parfois abstraites, alors même qu’elles sont au cœur de notre démocratie et s’expriment très concrètement dans la vie de tous et toutes. Et la justice administrative, quel est son rôle ? Toutes les réponses sur notre plateforme pédagogique.
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Scooped by
Stéphane Cottin
September 30, 1:30 AM
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Large Language Models suffer from prompt variance— meaning they’ll give you totally different legal answers depending on how you phrase your question. Jonathan
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Stéphane Cottin
September 22, 12:02 PM
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The access-to-justice gap is growing, affecting individuals with both civil and criminal needs in the United States. Though these challenges are multifaceted, p
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Stéphane Cottin
September 17, 3:39 PM
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Mise à jour 2025 Qui sont les fonctions support des cabinets d'avocats. Quelques références pour en savoir plus sur documentalistes juridiques, KM, communicants, assistants juridiques, paralegals et informaticiens
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Stéphane Cottin
September 9, 12:35 PM
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Un nouveau processus d’alignement entre la base de connaissance nationale BACON et le Sudoc est désormais opérationnel. Son objectif : faciliter et améliorer le signalement des ressources électroniques dans le Sudoc, au bénéfice de l’ensemble des établissements documentaires de l’ESR. Pourquoi ce nouveau flux ? Plusieurs constats ont motivé la mise en place de ce […]
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Scooped by
Stéphane Cottin
Today, 12:38 PM
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Legal academia is likely stuck with law faculty scholarly impact rankings-that is, using citation counts to judge a law faculty's reputation and influence. But
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Scooped by
Stéphane Cottin
Today, 1:24 AM
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In many jurisdictions, academia is at the service of legal practice. Law professors write commentaries that summarize the state of the art of doctrine, chiefly
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Stéphane Cottin
October 10, 2:03 AM
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This study addresses the limitations of traditional keyword-based legal information systems by proposing a robust model for managing legislative changes. We introduce the Legal-Onto model, integrated with Vietnamese SBert, to enhance the semantic representation and accessibility of legal documents. The model leverages an ontology-based framework to represent legal structures and employs a Sentence-BERT variant tailored for Vietnamese to compare legal texts at multiple granularities–chapters, sections, articles, clauses, and points. Unlike prior methods that rely solely on the highest similarity score, our approach retains multiple high-similarity matches to mitigate misalignment caused by overlapping legal provisions. This strategy ensures accurate mapping of new legislative elements and prevents erroneous prioritization. The model architecture integrates relational and conceptual graphs with natural language processing techniques to systematically detect and highlight legislative updates. Experimental evaluations on the Vietnamese Land Laws of 2013 and 2024 demonstrate the model’s effectiveness in identifying both structural and content changes. Results show that the Legal-Onto model significantly improves legal knowledge management by achieving high alignment accuracy and reducing manual analysis efforts.
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Scooped by
Stéphane Cottin
October 9, 11:06 AM
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Artificial Intelligence (AI) drives legal innovation. By integrating advanced machine learning, natural language processing, and large language models, AI achie
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Stéphane Cottin
October 7, 7:34 AM
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Service Public fête ses 25 ans avec une nouvelle URL et une nouvelle identité graphique
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Scooped by
Stéphane Cottin
October 6, 11:30 AM
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Because practitioners are pressured to complete their tasks as quickly and efficiently as possible, lawyers regularly use documents previously drafted by other
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Stéphane Cottin
October 1, 2:44 PM
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Stéphane Cottin
September 30, 9:02 AM
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Retrouvez, dans le numéro de septembre 2025 de la lettre de la justice administrative, toute l’actualité jurisprudentielle et consultative du Conseil d’État.
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Stéphane Cottin
September 30, 1:40 AM
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Stéphane Cottin
September 24, 1:24 PM
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An LLM-empowered General Workflow for Legal Case Analysis: A Case Study on Elderly Laborer Protection Authors: Yuting Wang, Runliang Niu, Xingyuan Min, Nanfei Gu, Qianli Xing, and Qi Wang Conference: ICIC 2025 Posters, Ningbo, China, July 26-29, 2025 Pages: 745-758
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Stéphane Cottin
September 21, 1:34 AM
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Stéphane Cottin
September 16, 1:25 AM
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Legal Writing I & II; Legal Research and Writing & Introduction to Litigation Practice contains a brief discussion of all of the topics covered in law s
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Stéphane Cottin
August 28, 3:25 AM
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Large language models struggle to answer legal questions that require applying detailed, jurisdiction-specific legal rules. Lawyers also find these types of que
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