Arthur Satouf

MILA – Quebec AI Institute & ILLS, Canada, Université Paris-Saclay & CentraleSupélec & CNRS, France, Air Liquide, France, Sorbonne Université & ISIR & CNRS, France

Mila

Papers on Lattice

Total citations

Topics

Research focus

Natural Language Processing (1)Recommendation & Information Retrieval (1)RLHF & Preference Learning (1)

Frequent co-authors

Giulio D'Erasmo (1)Yuxuan Zong (1)Habiboulaye Amadou Boubacar (1)Benjamin Piwowarski (1)

Papers (1)

Jun 9, 2026

MilaJun 9, 2026·also Air Liquide, Paris-Saclay, Sapienza, Sorbonne +1

STORM: Stepwise Token Optimization with Reward-Guided Beam Search

STORM transforms lexical query expansion by turning retrieval rewards into actionable token-level signals, enabling efficient and effective query rewriting that rivals larger models.

Arthur Satouf, Giulio D'Erasmo, Yuxuan Zong +2

Natural Language Processing Recommendation & Information Retrieval RLHF & Preference Learning