论文研究 arXiv cs.CL Mon, 20 Jul 2026 正文 thin 4 words

Process Reward Informed Tree Rollout for Effective Multi-Turn RL

英文标题:Process Reward Informed Tree Rollout for Effective Multi-Turn RL

arXiv:2607.15610v1 Announce Type: new Abstract: Reinforcement learning (RL) has become a key approach for training LLM agents, yet popular methods such as GRPO/RLOO rely on multiple independently sampled complete trajectories for advantage estimation. In long-horizon agentic tasks, such a uniform r
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arXiv:2607.15610v1 Announce Type: new Abstract: Reinforcement learning (RL) has become a key approach for training LLM agents, yet popular methods such as GRPO/RLOO rely on multiple independently sampled complete trajectories for advantage estimation. In long-horizon agentic tasks, such a uniform r

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