collaborators

12 papers

cs.CL2026

Translation Heads: Disentangling meaning from language in LLM-based machine translation

Théo Lasnier, Armel Zebaze, Djamé Seddah +2

Mechanistic Interpretability (MI) seeks to explain how neural networks implement their capabilities, but the scale of Large Language Models (LLMs) has limited prior MI work in Mach…

cs.CL2026

When the Gold Standard Isn't Necessarily Standard: Challenges of Evaluating the Translation of User-Generated Content

Lydia Nishimwe, Benoît Sagot, Rachel Bawden

User-generated content (UGC) is characterised by frequent use of non-standard language, from spelling errors to expressive choices such as slang, character repetitions, and emojis.…

cs.CL2025

Gaperon: A Peppered English-French Generative Language Model Suite

Nathan Godey, Wissam Antoun, Rian Touchent +4

We release Gaperon, a fully open suite of French-English-coding language models designed to advance transparency and reproducibility in large-scale model training. The Gaperon fami…

cs.CL2025

LLM Reasoning for Machine Translation: Synthetic Data Generation over Thinking Tokens

Armel Zebaze, Rachel Bawden, Benoît Sagot

Large reasoning models (LRMs) have led to new possibilities in terms of problem-solving, through the devising of a natural language thought process prior to answering a query. Whil…

cs.CL2025

AFRIDOC-MT: Document-level MT Corpus for African Languages

Jesujoba O. Alabi, Israel Abebe Azime, Miaoran Zhang +13

This paper introduces AFRIDOC-MT, a document-level multi-parallel translation dataset covering English and five African languages: Amharic, Hausa, Swahili, Yorùbá, and Zulu. The…

cs.CL2025

Explicit Learning and the LLM in Machine Translation

Malik Marmonier, Rachel Bawden, Benoît Sagot

This study explores an LLM's ability to learn new languages using explanations found in a grammar book, a process we term "explicit learning." To rigorously assess this ability, we…