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Large Language Models (LLMs) interact with millions of people worldwide in applications such as customer support, education and healthcare. However, their ability to produce deceptive outputs, whether intentionally or inadvertently, poses…

计算与语言 · 计算机科学 2025-10-17 Marwa Abdulhai , Ryan Cheng , Aryansh Shrivastava , Natasha Jaques , Yarin Gal , Sergey Levine

Language models have seen significant growth in the size of their corpus, leading to notable performance improvements. Yet, there has been limited progress in developing models that handle smaller, more human-like datasets. As part of the…

计算与语言 · 计算机科学 2023-10-26 Xingmeng Zhao , Tongnian Wang , Sheri Osborn , Anthony Rios

Fine-tuning with Reinforcement Learning with Human Feedback (RLHF) is essential for aligning large language models (LLMs). However, RLHF often encounters significant memory challenges. This study is the first to examine memory usage in the…

机器学习 · 计算机科学 2024-10-22 Jin Zhou , Hanmei Yang , Steven , Tang , Mingcan Xiang , Hui Guan , Tongping Liu

Large Language Model (LLM) agents show great promise for complex, multi-turn tool-use tasks, but their development is often hampered by the extreme scarcity of high-quality training data. Supervised fine-tuning (SFT) on synthetic data leads…

人工智能 · 计算机科学 2026-02-02 Siyuan Lu , Zechuan Wang , Hongxuan Zhang , Qintong Wu , Leilei Gan , Chenyi Zhuang , Jinjie Gu , Tao Lin

Large Language Models (LLMs) have made substantial strides in structured tasks through Reinforcement Learning (RL), demonstrating proficiency in mathematical reasoning and code generation. However, applying RL in broader domains like…

计算与语言 · 计算机科学 2025-02-10 Hao Sun , Yunyi Shen , Jean-Francois Ton , Mihaela van der Schaar

This research compares large language model (LLM) fine-tuning methods, including Quantized Low Rank Adapter (QLoRA), Retrieval Augmented fine-tuning (RAFT), and Reinforcement Learning from Human Feedback (RLHF), and additionally compared…

计算与语言 · 计算机科学 2024-08-08 Sonia Meyer , Shreya Singh , Bertha Tam , Christopher Ton , Angel Ren

Reinforcement learning from human feedback (RLHF) is a vital strategy for enhancing model capability in language models. However, annotating preference data for RLHF is a resource-intensive and creativity-demanding process, while existing…

计算与语言 · 计算机科学 2024-04-02 Taiwei Shi , Kai Chen , Jieyu Zhao

Reinforcement Learning from Human Feedback (RLHF) has greatly improved the performance of modern Large Language Models (LLMs). The RLHF process is resource-intensive and technically challenging, generally requiring a large collection of…

Reinforcement learning from human feedback (RLHF) has become an important technical and storytelling tool to deploy the latest machine learning systems. In this book, we hope to give a gentle introduction to the core methods for people with…

机器学习 · 计算机科学 2026-05-12 Nathan Lambert

LLM-powered personalization agent systems employ Large Language Models (LLMs) to predict users' behavior from their past activities. However, their effectiveness often hinges on the ability to effectively leverage extensive, long user…

计算与语言 · 计算机科学 2025-01-20 Jiaxing Wu , Lin Ning , Luyang Liu , Harrison Lee , Neo Wu , Chao Wang , Sushant Prakash , Shawn O'Banion , Bradley Green , Jun Xie

Fine-tuning Large Language Models (LLMs) typically involves either full fine-tuning, which updates all model parameters, or Parameter-Efficient Fine-Tuning (PEFT), which adjusts a small subset of parameters. However, both approaches have…

人工智能 · 计算机科学 2026-04-14 Shaocong Ma , Peiran Yu , Heng Huang

Reinforcement Learning from Human Feedback (RLHF) is increasingly used to align large language models (LLMs) with human preferences. However, the effectiveness of RLHF in addressing underlying biases remains unclear. This study investigates…

计算与语言 · 计算机科学 2025-03-13 Logan Barnhart , Reza Akbarian Bafghi , Stephen Becker , Maziar Raissi

Fine-tuning Large Language Models (LLMs) has emerged as a common practice for tailoring models to individual needs and preferences. The choice of datasets for fine-tuning can be diverse, introducing safety concerns regarding the potential…

计算与语言 · 计算机科学 2024-10-15 Hyeong Kyu Choi , Xuefeng Du , Yixuan Li

Training tool-augmented LLMs has emerged as a promising approach to enhancing language models' capabilities for complex tasks. The current supervised fine-tuning paradigm relies on constructing extensive domain-specific datasets to train…

机器学习 · 计算机科学 2025-11-11 Yirong Zeng , Xiao Ding , Yutai Hou , Yuxian Wang , Li Du , Juyi Dai , Qiuyang Ding , Duyu Tang , Dandan Tu , Weiwen Liu , Bing Qin , Ting Liu

Fine-tuning Large Language Models (LLMs) on specific datasets is a common practice to improve performance on target tasks. However, this performance gain often leads to overfitting, where the model becomes too specialized in either the task…

计算与语言 · 计算机科学 2025-02-21 Sonam Gupta , Yatin Nandwani , Asaf Yehudai , Dinesh Khandelwal , Dinesh Raghu , Sachindra Joshi

The use of large language models in medical dialogue generation has garnered significant attention, with a focus on improving response quality and fluency. While previous studies have made progress in optimizing model performance for…

计算与语言 · 计算机科学 2024-08-06 Chengfeng Dou , Zhi Jin , Wenpin Jiao , Haiyan Zhao , Yongqiang Zhao , Zhenwei Tao

Reinforcement Learning from Human Feedback (RLHF) is the prevailing approach to ensure Large Language Models (LLMs) align with human values. However, existing RLHF methods require a high computational cost, one main reason being that RLHF…

计算与语言 · 计算机科学 2024-03-08 Yu Zhu , Chuxiong Sun , Wenfei Yang , Wenqiang Wei , Bo Tang , Tianzhu Zhang , Zhiyu Li , Shifeng Zhang , Feiyu Xiong , Jie Hu , Mingchuan yang

Reinforcement Learning from Human Feedback (RLHF) is a powerful paradigm for aligning foundation models to human values and preferences. However, current RLHF techniques cannot account for the naturally occurring differences in individual…

机器学习 · 计算机科学 2024-08-20 Sriyash Poddar , Yanming Wan , Hamish Ivison , Abhishek Gupta , Natasha Jaques

Large language models (LLMs) are increasingly deployed as "agents" for decision-making (DM) in interactive and dynamic environments. Yet, since they were not originally designed for DM, recent studies show that LLMs can struggle even in…

人工智能 · 计算机科学 2025-11-07 Chanwoo Park , Ziyang Chen , Asuman Ozdaglar , Kaiqing Zhang

Large language models (LLMs) acquire extensive prior knowledge through large-scale pretraining and can be further enhanced via supervised fine-tuning (SFT) or reinforcement learning (RL)-based post-training. A growing body of evidence has…

机器学习 · 计算机科学 2026-01-28 Honglin Zhang , Qianyue Hao , Fengli Xu , Yong Li