collaborators

7 papers

cs.IR2026

MICE to Meet You: From Re-ranking Only to End-to-End Retrieval

Victor Morand, Yuxuan Zong, Mathias Vast +2

Late-interaction models offer state-of-the-art efficiency-effectiveness trade-offs for neural retrieval by enabling document representations to be pre-computed and efficiently inde…

cs.CV2026

Fusion-CAM: Integrating Gradient and Region-Based Class Activation Maps for Robust Visual Explanations

Hajar Dekdegue, Moncef Garouani, Josiane Mothe +1

Interpreting the decision-making process of deep convolutional neural networks remains a central challenge in achieving trustworthy and transparent artificial intelligence. Explain…

cs.IR2026

Building Better Encoder-only Cross-Encoders: A Controlled Study of Training Strategies for Neural Re-ranking

Victor Morand, Mathias Vast, Basile Van Cooten +3

Cross-encoders fine-tuned from Transformer backbones remain the standard for second-stage re-ranking, and recent knowledge-distillation strategies have closed much of the gap with…

cs.IR2026

MICE: Minimal Interaction Cross-Encoders for efficient Re-ranking

Mathias Vast, Victor Morand, Josiane Mothe +1

In Information Retrieval (IR), cross-encoders deliver state-of-the-art ranking effectiveness but have a high inference cost, limiting their use to second-stage re-rankers. Prior wo…

cs.CL2025

On the Representations of Entities in Auto-regressive Large Language Models

Victor Morand, Josiane Mothe, Benjamin Piwowarski

Named entities are fundamental building blocks of knowledge in text, grounding factual information and structuring relationships within language. Despite their importance, it remai…

cs.CL2025

ToMMeR -- Efficient Entity Mention Detection from Large Language Models

Victor Morand, Nadi Tomeh, Josiane Mothe +1

Identifying which text spans refer to entities - mention detection - is both foundational for information extraction and a known performance bottleneck. We introduce ToMMeR, a ligh…

cs.CV2025

Curriculum Multi-Task Self-Supervision Improves Lightweight Architectures for Onboard Satellite Hyperspectral Image Segmentation

Hugo Carlesso, Josiane Mothe, Radu Tudor Ionescu

Hyperspectral imaging (HSI) captures detailed spectral signatures across hundreds of contiguous bands per pixel, being indispensable for remote sensing applications such as land-co…