中文
相关论文

相关论文: SeRA: Self-Reviewing and Alignment of Large Langua…

200 篇论文

Preference-based reinforcement learning (RL) is a key paradigm for aligning policies with human judgments, yet its theoretical behavior in distributed settings where preference data are fragmented across heterogeneous users remains poorly…

机器学习 · 计算机科学 2026-05-21 Zhanhong Jiang

Reward inference (learning a reward model from human preferences) is a critical intermediate step in the Reinforcement Learning from Human Feedback (RLHF) pipeline for fine-tuning Large Language Models (LLMs). In practice, RLHF faces…

机器学习 · 计算机科学 2025-03-04 Qining Zhang , Lei Ying

Direct Preference Optimization (DPO) has emerged as a lightweight and effective alternative to Reinforcement Learning from Human Feedback (RLHF) and Reinforcement Learning with AI Feedback (RLAIF) for aligning large language and…

人工智能 · 计算机科学 2025-12-16 Zihui Zhao , Zechang Li

Reinforcement Learning from Human Feedback (RLHF) is a crucial technique for aligning language models with human preferences, playing a pivotal role in the success of conversational models like GPT-4, ChatGPT, and Llama 2. A core challenge…

计算与语言 · 计算机科学 2025-06-04 Chenghua Huang , Zhizhen Fan , Lu Wang , Fangkai Yang , Pu Zhao , Zeqi Lin , Qingwei Lin , Dongmei Zhang , Saravan Rajmohan , Qi Zhang

Aligning multimodal generative models with human preferences demands reward signals that respect the compositional, multi-dimensional structure of human judgment. Prevailing RLHF approaches reduce this structure to scalar or pairwise…

人工智能 · 计算机科学 2026-05-12 Juanxi Tian , Fengyuan Liu , Jiaming Han , Yilei Jiang , Yongliang Wu , Yesheng Liu , Haodong Li , Furong Xu , Wanhua Li

AI alignment in the shape of Reinforcement Learning from Human Feedback (RLHF) is increasingly treated as a crucial ingredient for high performance large language models. Proximal Policy Optimization (PPO) has been positioned by recent…

Aligning large language models (LLMs) with human preferences has gained significant attention, with Proximal Policy Optimization (PPO) as a standard yet computationally expensive method and Direct Preference Optimization (DPO) as a more…

人工智能 · 计算机科学 2025-02-10 Yuzi Yan , Yibo Miao , Jialian Li , Yipin Zhang , Jian Xie , Zhijie Deng , Dong Yan

Aviation training is a core link in ensuring flight safety, improving industry efficiency and promoting sustainable development. It not only involves flight simulation but also requires the learning of a great deal of professional aviation…

人工智能 · 计算机科学 2025-06-18 Jia'ang Wan , Feng Shen , Fujuan Li , Yanjin Sun , Yan Li , Shiwen Zhang

We theoretically analyze the Feedback Alignment (FA) algorithm, an efficient alternative to backpropagation for training neural networks. We provide convergence guarantees with rates for deep linear networks for both continuous and discrete…

机器学习 · 计算机科学 2021-10-22 Manuela Girotti , Ioannis Mitliagkas , Gauthier Gidel

Recently, tremendous strides have been made to align the generation of Large Language Models (LLMs) with human values to mitigate toxic or unhelpful content. Leveraging Reinforcement Learning from Human Feedback (RLHF) proves effective and…

计算与语言 · 计算机科学 2024-06-05 Mingye Zhu , Yi Liu , Lei Zhang , Junbo Guo , Zhendong Mao

Aligning large language models with human preferences is essential for improving interaction quality and safety by ensuring outputs better reflect human values. A promising strategy involves Reinforcement Learning from Human Feedback…

信息检索 · 计算机科学 2025-12-17 Jiacong Zhou , Xianyun Wang , Min Zhang , Jun Yu

Fine-tuning large-scale pre-trained models is inherently a resource-intensive task. While it can enhance the capabilities of the model, it also incurs substantial computational costs, posing challenges to the practical application of…

计算与语言 · 计算机科学 2024-06-27 Yulong Mao , Kaiyu Huang , Changhao Guan , Ganglin Bao , Fengran Mo , Jinan Xu

Online and offline RLHF methods, such as PPO and DPO, have been highly successful in aligning AI with human preferences. Despite their success, however, these methods suffer from fundamental limitations: (a) Models trained with RLHF can…

机器学习 · 计算机科学 2025-04-15 Eugene Choi , Arash Ahmadian , Matthieu Geist , Oilvier Pietquin , Mohammad Gheshlaghi Azar

Efficient preference optimization algorithms such as Direct Preference Optimization (DPO) have become a popular approach in aligning large language models (LLMs) with human preferences. These algorithms implicitly treat the LLM as a reward…

计算与语言 · 计算机科学 2025-07-29 Tong Liu , Xiao Yu , Wenxuan Zhou , Jindong Gu , Volker Tresp

With the rapid development of Large Language Models (LLMs), aligning these models with human preferences and values is critical to ensuring ethical and safe applications. However, existing alignment techniques such as RLHF or DPO often…

计算与语言 · 计算机科学 2025-08-19 Yang Zhang , Yu Yu , Bo Tang , Yu Zhu , Chuxiong Sun , Wenqiang Wei , Jie Hu , Zipeng Xie , Zhiyu Li , Feiyu Xiong , Edward Chung

Current RLHF methods such as PPO and DPO typically reduce human preferences to binary labels, which are costly to obtain and too coarse to reflect individual variation. We observe that expressions of satisfaction and dissatisfaction follow…

计算与语言 · 计算机科学 2025-10-28 YuXuan Zhang

Preference optimization techniques, such as Direct Preference Optimization (DPO), are frequently employed to enhance the reasoning capabilities of large language models (LLMs) in domains like mathematical reasoning and coding, typically…

计算与语言 · 计算机科学 2025-02-17 Fangkai Jiao , Geyang Guo , Xingxing Zhang , Nancy F. Chen , Shafiq Joty , Furu Wei

With the rapid development and widespread application of Large Language Models (LLMs), their potential safety risks have attracted widespread attention. Reinforcement Learning from Human Feedback (RLHF) has been adopted to enhance the…

Reinforcement learning from human feedback (RLHF) with reward models has advanced alignment of generative models to human aesthetic and perceptual preferences. However, jointly optimizing multiple rewards often incurs an alignment tax,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Chieh-Yun Chen , Zhonghao Wang , Qi Chen , Zhifan Ye , Min Shi , Yue Zhao , Yinan Zhao , Hui Qu , Wei-An Lin , Yiru Shen , Ajinkya Kale , Irfan Essa , Humphrey Shi

Generative AI can now synthesize strikingly realistic images from text, yet output quality remains highly sensitive to how prompts are phrased. Direct Preference Optimization (DPO) offers a lightweight, off-policy alternative to RL for…

计算与语言 · 计算机科学 2025-07-30 Anas Mohamed , Azal Ahmad Khan , Xinran Wang , Ahmad Faraz Khan , Shuwen Ge , Saman Bahzad Khan , Ayaan Ahmad , Ali Anwar