2 papers
cs.LG2026
On Preference Coverage Collapse from Hindsight Relabeling in Multi-Objective Reinforcement Learning
Baptiste Bonin, Caro Strickland, Audrey Durand
Hindsight relabeling which retroactively replacing a transition's goal with the outcome the agent actually achieved is an effective tool for improving sample-efficiency in Reinforc…
cs.IR2025
Offline A/B Testing of Slate Recommendation Systems with LLMs: Reducing the Dependency on Pre-Collected User Interaction Data
Baptiste Bonin, Maxime Heuillet, Audrey Durand
Slate recommender systems (RecSys) present users with ordered sets of interacting items (e.g., playlists). We investigate whether large language models (LLMs) can articulate pairwi…