collaborators

6 papers

cs.CL2026

RAC: Retrieval-Augmented Clarification for Faithful Conversational Search

Ahmed Rayane Kebir, Vincent Guigue, Lynda Said Lhadj +1

Clarification questions help conversational search systems resolve ambiguous or underspecified user queries. While prior work has focused on fluency and alignment with user intent,…

cs.CL2025

SEval-Ex: A Statement-Level Framework for Explainable Summarization Evaluation

Tanguy Herserant, Vincent Guigue

Evaluating text summarization quality remains a critical challenge in Natural Language Processing. Current approaches face a trade-off between performance and interpretability. We…

cs.IR2025

Clarifying Ambiguities: on the Role of Ambiguity Types in Prompting Methods for Clarification Generation

Anfu Tang, Laure Soulier, Vincent Guigue

In information retrieval (IR), providing appropriate clarifications to better understand users' information needs is crucial for building a proactive search-oriented dialogue syste…

cs.LG2025

Drought forecasting using a hybrid neural architecture for integrating time series and static data

Julian Agudelo, Vincent Guigue, Cristina Manfredotti +1

Reliable forecasting is critical for early warning systems and adaptive drought management. Most previous deep learning approaches focus solely on homogeneous regions and rely on s…

cs.CL2025

Towards Lighter and Robust Evaluation for Retrieval Augmented Generation

Alex-Razvan Ispas, Charles-Elie Simon, Fabien Caspani +1

Large Language Models are prompting us to view more NLP tasks from a generative perspective. At the same time, they offer a new way of accessing information, mainly through the RAG…

cs.CL2025

SCOPE: A Self-supervised Framework for Improving Faithfulness in Conditional Text Generation

Song Duong, Florian Le Bronnec, Alexandre Allauzen +4

Large Language Models (LLMs), when used for conditional text generation, often produce hallucinations, i.e., information that is unfaithful or not grounded in the input context. Th…