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cs.LG2026
RPS: Information Elicitation with Reinforcement Prompt Selection
Tao Wang, Jingyao Lu, Xibo Wang +5
Large language models (LLMs) have shown remarkable capabilities in dialogue generation and reasoning, yet their effectiveness in eliciting user-known but concealed information in o…
cs.LG2026
RTMC: Step-Level Credit Assignment via Rollout Trees
Tao Wang, Suhang Zheng, Xiaoxiao Xu
Multi-step agentic reinforcement learning benefits from fine-grained credit assignment, yet existing approaches offer limited options: critic-free methods like GRPO assign a unifor…