University of Pennsylvania（宾夕法尼亚大学）

2305.16589 2025-09-09 cs.LG cs.IT math.IT math.ST stat.TH

The Curious Price of Distributional Robustness in Reinforcement Learning with a Generative Model

Laixi Shi, Gen Li, Yuting Wei, Yuxin Chen, Matthieu Geist, Yuejie Chi

机构 * JHU Department of Electrical and Computer Engineering, Johns Hopkins University, MD, USA（约翰霍普金斯大学电气与计算机工程系）； CUHK Department of Statistics, The Chinese University of Hong Kong, Hong Kong（香港中文大学统计系）； UPenn Department of Statistics and Data Science, Wharton School, University of Pennsylvania, Philadelphia, PA 19104, USA（宾夕法尼亚大学统计与数据科学系）； ESP Earth Species Project（地球物种计划）； Yale Department of Statistics and Data Science, Yale University, CT, USA（耶鲁大学统计与数据科学系）

Comments A short version was published in Neural Information Processing Systems (2023); Under Submission

2508.20401 2025-09-09 cs.IR cs.LG

Revealing Potential Biases in LLM-Based Recommender Systems in the Cold Start Setting

Alexandre Andre, Gauthier Roy, Eva Dyer, Kai Wang

机构 * University of Pennsylvania（宾夕法尼亚大学）； Georgia Institute of Technology（佐治亚理工学院）

Comments In Proceedings of 2nd Workshop on Evaluating and Applying Recommendation Systems with Large Language Models (EARL) at RecSys 2025 (EARL 2025)