2 papers
cs.MA2026
Joint Workflow and Prompt Optimization for User Behavior Simulation
Nipun B Nair, Tongtong Wu, Hongzhi Yin +2
User behavior simulation is the computational modeling of user interactions within information systems through the use of simulated agents in place of live users. It supports syste…
cs.CL2026
RewardExplainer: Learning Reward Model Explanations from Counterfactual Preference Feedback
Jingyi He, Nier Wu, Shuang Liu +3
Reward models (RMs) are a key component of large language model post-training, providing reward signals for subsequent reinforcement learning. However, conventional discriminative…