Papers by Antoine Louis
Finding the Law: Enhancing Statutory Article Retrieval via Graph Neural Networks (2023.eacl-main)
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| Challenge: | Statutory article retrieval (SAR) is a promising application of legal text processing. |
| Approach: | They propose a graph-augmented dense statute retriever model that incorporates the structure of legislation via a neural network to improve density retrieval performance. |
| Outcome: | The proposed model outperforms baselines on a real-world expert-annotated dataset. |
A Statutory Article Retrieval Dataset in French (2022.acl-long)
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| Challenge: | Statutory article retrieval is the task of automatically retrieving law articles relevant to a legal question. |
| Approach: | They propose to use a Belgian Statutory Article Retrieval Dataset to test various retrieval approaches including lexical and dense architectures to achieve a 74.8% R@100. |
| Outcome: | The proposed dataset outperforms existing systems in both zero-shot and supervised setups. |
ASSET: A Dataset for Tuning and Evaluation of Sentence Simplification Models with Multiple Rewriting Transformations (2020.acl-main)
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| Challenge: | Existing models for sentence simplification are focused on a single transformation, such as lexical paraphrasing or splitting. |
| Approach: | They propose a dataset for assessing sentence simplification in English using a crowdsourced multi-reference corpus. |
| Outcome: | The proposed dataset shows that it captures characteristics of simplicity better than other datasets. |
Know When to Fuse: Investigating Non-English Hybrid Retrieval in the Legal Domain (2025.coling-main)
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| Challenge: | Existing research focuses on a limited set of retrieval methods, evaluated in pairs on domain-general datasets exclusively in English. |
| Approach: | They evaluate the efficacy of hybrid search across a variety of retrieval models in the french language . they find that fusion of different domain-general models consistently enhances performance . |
| Outcome: | The proposed model improves in-domain performance compared to a single model in a zero-shot context . the proposed model also improves when the models are trained in- domain . |
MUSS: Multilingual Unsupervised Sentence Simplification by Mining Paraphrases (2022.lrec-1)
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| Challenge: | MUSS trains strong models using sentence-level paraphrase data instead of labeled simplification data. |
| Approach: | They propose a multilingual unsupervised sentence simplification system that does not require labeled simplification data. |
| Outcome: | The proposed model outperforms the previous best supervised models on English, French, and Spanish benchmarks despite not using labeled simplification data. |
ColBERT-XM: A Modular Multi-Vector Representation Model for Zero-Shot Multilingual Information Retrieval (2025.coling-main)
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| Challenge: | Existing approaches to improve retrieval effectiveness in high-resource languages are limited due to the lack of high-quality labeled data in non-English languages. |
| Approach: | They propose a modular dense retrieval model that learns from the rich data of a single high-resource language and effectively zero-shot transfers to a wide array of languages. |
| Outcome: | The proposed model performs well against state-of-the-art multilingual retrieval models trained on more extensive datasets in various languages. |
Controllable Sentence Simplification (2020.lrec-1)
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| Challenge: | Text simplification is often considered an all-purpose generic task where the same simplifications are suitable for all but multiple audiences can benefit from simplified text in different ways. |
| Approach: | They propose a controllable simplification model that provides explicit control on simplification systems based on Sequence-to-Sequence models. |
| Outcome: | The proposed model outperforms standard models on simplification benchmarks. |