activity
20212026
most citedOpenChat: Advancing Open-source Language Models with Mixed-Quality Data

27 citations · 86 across the 44 of their papers we have counts for

collaborators
Showing 2023Show all

10 papers · 1 filter

cs.LG2023★ 1 cited

FlexSSL : A Generic and Efficient Framework for Semi-Supervised Learning

Huiling Qin, Xianyuan Zhan, Yuanxun Li +1

Semi-supervised learning holds great promise for many real-world applications, due to its ability to leverage both unlabeled and expensive labeled data. However, most semi-supervis…

cs.AI2023★ 1 cited

A Fully Data-Driven Approach for Realistic Traffic Signal Control Using Offline Reinforcement Learning

Jianxiong Li, Shichao Lin, Tianyu Shi +5

The optimization of traffic signal control (TSC) is critical for an efficient transportation system. In recent years, reinforcement learning (RL) techniques have emerged as a popul…

cs.LG2023

H2O+: An Improved Framework for Hybrid Offline-and-Online RL with Dynamics Gaps

Haoyi Niu, Tianying Ji, Bingqi Liu +7

Solving real-world complex tasks using reinforcement learning (RL) without high-fidelity simulation environments or large amounts of offline data can be quite challenging. Online R…

cs.CL2023★ 27 cited

OpenChat: Advancing Open-source Language Models with Mixed-Quality Data

Guan Wang, Sijie Cheng, Xianyuan Zhan +3

Nowadays, open-source large language models like LLaMA have emerged. Recent developments have incorporated supervised fine-tuning (SFT) and reinforcement learning fine-tuning (RLFT…

cs.LG2023★ 2 cited

Offline Multi-Agent Reinforcement Learning with Implicit Global-to-Local Value Regularization

Xiangsen Wang, Haoran Xu, Yinan Zheng +1

Offline reinforcement learning (RL) has received considerable attention in recent years due to its attractive capability of learning policies from offline datasets without environm…

cs.LG2023

Offline Multi-Agent Reinforcement Learning with Coupled Value Factorization

Xiangsen Wang, Xianyuan Zhan

Offline reinforcement learning (RL) that learns policies from offline datasets without environment interaction has received considerable attention in recent years. Compared with th…

cs.LG2023★ 2 cited

Look Beneath the Surface: Exploiting Fundamental Symmetry for Sample-Efficient Offline RL

Peng Cheng, Xianyuan Zhan, Zhihao Wu +5

Offline reinforcement learning (RL) offers an appealing approach to real-world tasks by learning policies from pre-collected datasets without interacting with the environment. Howe…

cs.LG2023★ 2 cited

Feasible Policy Iteration for Safe Reinforcement Learning

Yujie Yang, Zhilong Zheng, Shengbo Eben Li +4

Safety is the priority concern when applying reinforcement learning (RL) algorithms to real-world control problems. While policy iteration provides a fundamental algorithm for stan…

cs.LG2023★ 4 cited

Offline RL with No OOD Actions: In-Sample Learning via Implicit Value Regularization

Haoran Xu, Li Jiang, Jianxiong Li +4

Most offline reinforcement learning (RL) methods suffer from the trade-off between improving the policy to surpass the behavior policy and constraining the policy to limit the devi…

cs.LG2023★ 1 cited

Mind the Gap: Offline Policy Optimization for Imperfect Rewards

Jianxiong Li, Xiao Hu, Haoran Xu +4

Reward function is essential in reinforcement learning (RL), serving as the guiding signal to incentivize agents to solve given tasks, however, is also notoriously difficult to des…