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Hannes Westermann Hannes Westermann

Assistant Professor in Law & AI

Maastricht University
Maastricht Law and Tech Lab

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Analyzing European Court of Human Rights Treatment of Non-ECHR Sources of Legal Authority
January 2026 Michal Araszkiewicz, Jaromir Savelka, Hannes Westermann, Grzegorz J. Nalepa, Karolina Mania, Tadeusz Zbiegień Proceedings of the International Conference on Artificial Intelligence and Law
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Forthcoming

Can LLMs Create Legally Relevant Summaries and Analyses of Videos?
January 2025 Lyra Hoeben-Kuil, Gijs van Dijck, Jaromir Savelka, Johanna Gunawan, Konrad Kollnig, Marta Kołacz, Mindy Duffourc, Shashank M. Chakravarthy, Hannes Westermann JURIX 2025
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In With the Old: Enhancing ‘Classical’ Document Automation with Generative AI
January 2025 Marc Lauritsen, Hannes Westermann AI for Access to Justice Workshop at ICAIL 2025
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A Hohfeldian Knowledge Base for LLM-Assisted Legal Information Retrieval in Marine Biodiversity Law
January 2025 Rohan Nanda, Henrique Marcos, Hannes Westermann, Julia Schutz Veiga Legal Knowledge and Information Systems
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A Demonstration of a Semi-Structured Legal Reasoning Framework
January 2025 Hannes Westermann Proceedings of the 20th International Conference on Artificial Intelligence and Law
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Automated Mapping of Legal Criteria to the Texts of Adjudicatory Decisions Using LLMs
January 2025 Hannes Westermann, Vern R. Walker, Jaromir Savelka Proceedings of the 20th International Conference on Artificial Intelligence and Law
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Mapping legal criteria to the language of adjudicatory decisions with large language models.

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AI in Healthcare: Navigating Legal Risk Assessment with JusticeBot
January 2024 Sébastien Meeùs, Valentina Dalla Giovanna, Samyar Janatian, Hannes Westermann, Karim Benyekhlef, Grégory Lewkowicz Legal Knowledge and Information Systems
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Getting in the Door: Streamlining Intake in Civil Legal Services with Large Language Models
January 2024 Quinten Steenhuis, Hannes Westermann Legal Knowledge and Information Systems
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Robots in the Middle: Evaluating LLMs in Dispute Resolution
January 2024 Jinzhe Tan, Hannes Westermann, Nikhil Reddy Pottanigari, Jaromír Šavelka, Sébastien Meeùs, Mia Godet, Karim Benyekhlef Legal Knowledge and Information Systems
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Dallma: Semi-Structured Legal Reasoning and Drafting with Large Language Models
January 2024 Hannes Westermann 2nd Workshop on Generative AI and Law
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Analyzing Images of Legal Documents: Toward Multi-Modal LLMs for Access to Justice
January 2024 Hannes Westermann, Jaromir Savelka AI for Access to Justice Workshop at JURIX 2024
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Exploring multimodal language models for analyzing images of legal documents and supporting access to justice.

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Using Large Language Models to Support Thematic Analysis in Empirical Legal Studies
January 2023 Jakub Drapal, Hannes Westermann, Jaromir Savelka Legal Knowledge and Information Systems
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From Text to Structure: Using Large Language Models to Support the Development of Legal Expert Systems
January 2023 Samyar Janatian, Hannes Westermann, Jinzhe Tan, Jaromir Savelka, Karim Benyekhlef JURIX 2023
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Best Paper Award

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Explaining Legal Concepts with Augmented Large Language Models (GPT-4)
January 2023 Jaromir Savelka, Kevin D. Ashley, Morgan A. Gray, Hannes Westermann, Huihui Xu AI4Legs 2023
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Can GPT-4 Support Analysis of Textual Data in Tasks Requiring Highly Specialized Domain Expertise?
January 2023 Jaromir Savelka, Kevin D. Ashley, Morgan A. Gray, Hannes Westermann, Huihui Xu ASAIL 2023
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ChatGPT as an Artificial Lawyer?
January 2023 Jinzhe Tan, Hannes Westermann, Karim Benyekhlef AI for Access to Justice 2023
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Bridging the Gap: Mapping Layperson Narratives to Legal Issues with Language Models
January 2023 Hannes Westermann, Sébastien Meeùs, Mia Godet, Aurore Troussel, Jinzhe Tan, Jaromir Savelka, Karim Benyekhlef ASAIL 2023
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JusticeBot: A Methodology for Building Augmented Intelligence Tools for Laypeople to Increase Access to Justice
January 2023 Hannes Westermann, Karim Benyekhlef Proceedings of the International Conference on Artificial Intelligence and Law
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A methodology for building augmented-intelligence tools that help laypeople access justice.

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LLMediator: GPT-4 Assisted Online Dispute Resolution
January 2023 Hannes Westermann, Jaromir Savelka, Karim Benyekhlef AI for Access to Justice 2023
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Conditional Abstractive Summarization of Court Decisions for Laymen and Insights from Human Evaluation
January 2022 Olivier Salaün, Aurore Troussel, Sylvain Longhais, Hannes Westermann, Philippe Langlais, Karim Benyekhlef Legal Knowledge and Information Systems
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Toward an Intelligent Tutoring System for Argument Mining in Legal Texts
January 2022 Hannes Westermann, Jaromir Savelka, Vern R. Walker, Kevin D. Ashley, Karim Benyekhlef Legal Knowledge and Information Systems
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Lex Rosetta: Transfer of Predictive Models across Languages, Jurisdictions, and Legal Domains
January 2021 Jaromir Savelka, Hannes Westermann, Karim Benyekhlef, Charlotte S. Alexander, Jayla C. Grant, David Restrepo Amariles, Rajaa El Hamdani Proceedings of the Eighteenth International Conference on Artificial Intelligence and Law
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Data-Centric Machine Learning: Improving Model Performance and Understanding Through Dataset Analysis
January 2021 Hannes Westermann, Jaromir Savelka, Vern R. Walker, Kevin D. Ashley, Karim Benyekhlef Legal Knowledge and Information Systems
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Analysis and Multilabel Classification of Quebec Court Decisions in the Domain of Housing Law
January 2020 Olivier Salaün, Philippe Langlais, Andrés Lou, Hannes Westermann, Karim Benyekhlef Natural Language Processing and Information Systems
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Cross-Domain Generalization and Knowledge Transfer in Transformers Trained on Legal Data
January 2020 Jaromir Savelka, Hannes Westermann, Karim Benyekhlef ASAIL 2020
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Sentence Embeddings and High-Speed Similarity Search for Fast Computer Assisted Annotation of Legal Documents
January 2020 Hannes Westermann, Jaromir Savelka, Vern R. Walker, Kevin D. Ashley, Karim Benyekhlef Legal Knowledge and Information Systems
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Best Paper Award

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Computer-Assisted Creation of Boolean Search Rules for Text Classification in the Legal Domain
January 2019 Hannes Westermann, Jaromir Savelka, Vern R. Walker, Kevin D. Ashley, Karim Benyekhlef Legal Knowledge and Information Systems
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Best Student Paper Award

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Using Factors to Predict and Analyze Landlord-Tenant Decisions to Increase Access to Justice
January 2019 Hannes Westermann, Vern R. Walker, Kevin D. Ashley, Karim Benyekhlef Proceedings of the Seventeenth International Conference on Artificial Intelligence and Law
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