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Dawson of Berger Kahn discuss examinations under oath, which insurers use to investigate, evaluate and substantiate insurance claims ... pursuing deal with rival Humana, shares rise Cigna Group ...

The insurance company Humana denied the routine teeth cleaning claim of a Pueblo West man. The dentist who performed the cleaning is fighting back with a scathing digital billboard message.

大家都知道，LLM 的训练过程很复杂，其中有两个关键阶段：预训练和后训练。今天咱们就来深入聊聊在这一过程中发挥重要作用的近端策略优化（PPO）算法和组相对策略优化（GRPO）算法。这俩算法不仅在学术圈备受关注，在实际应用中也有着举足轻重的地位 ...

近端策略优化(Proximal Policy Optimization, PPO)算法作为一种高效的策略优化方法，在深度强化学习领域获得了广泛应用。特别是在大语言模型(LLM)的人类反馈强化学习(RLHF)过程中，PPO扮演着核心角色。本文将深入探讨PPO的基本原理和实现细节。 近端策略优化(Proximal ...