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Recent work in offline reinforcement learning (RL) has demonstrated the effectiveness of formulating decision-making as return-conditioned supervised learning. Notably, the decision transformer (DT) architecture has shown promise across…

Machine Learning · Computer Science 2025-04-04 Tung M. Luu , Donghoon Lee , Chang D. Yoo

Training task-completion dialogue agents with reinforcement learning usually requires a large number of real user experiences. The Dyna-Q algorithm extends Q-learning by integrating a world model, and thus can effectively boost training…

Computation and Language · Computer Science 2018-11-20 Yuexin Wu , Xiujun Li , Jingjing Liu , Jianfeng Gao , Yiming Yang

Human-robot cooperation is essential in environments such as warehouses and retail stores, where workers frequently handle deformable objects like paper, bags, and fabrics. Coordinating robotic actions with human assistance remains…

Robotics · Computer Science 2025-11-06 Rewida Ali , Cristian C. Beltran-Hernandez , Weiwei Wan , Kensuke Harada

Task scheduling is a critical problem when one user offloads multiple different tasks to the edge server. When a user has multiple tasks to offload and only one task can be transmitted to server at a time, while server processes tasks…

Machine Learning · Computer Science 2022-08-05 Xiucheng Wang , Longfei Ma , Haocheng Li , Zhisheng Yin , Tom. Luan , Nan Cheng

Reinforcement learning in partially observed Markov decision processes (POMDPs) faces two challenges. (i) It often takes the full history to predict the future, which induces a sample complexity that scales exponentially with the horizon.…

Machine Learning · Computer Science 2024-04-02 Lingxiao Wang , Qi Cai , Zhuoran Yang , Zhaoran Wang

Accurate energy time-series forecasting is crucial for ensuring grid stability and promoting the integration of renewable energy, yet it faces significant challenges from complex temporal dependencies and the heterogeneity of multi-source…

Machine Learning · Computer Science 2026-01-13 Mingnan Zhu , Qixuan Zhang , Yixuan Cheng , Fangzhou Gu , Shiming Lin

As the size of transformer-based models continues to grow, fine-tuning these large-scale pretrained vision models for new tasks has become increasingly parameter-intensive. Parameter-efficient learning has been developed to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Cheng Han , Qifan Wang , Yiming Cui , Zhiwen Cao , Wenguan Wang , Siyuan Qi , Dongfang Liu

Surgical robot task automation has been a promising research topic for improving surgical efficiency and quality. Learning-based methods have been recognized as an interesting paradigm and been increasingly investigated. However, existing…

Robotics · Computer Science 2024-05-30 Jiawei Fu , Yonghao Long , Kai Chen , Wang Wei , Qi Dou

Multi-Agent Path Finding (MAPF) poses a significant and challenging problem critical for applications in robotics and logistics, particularly due to its combinatorial complexity and the partial observability inherent in realistic…

Multiagent Systems · Computer Science 2025-09-29 Merve Atasever , Matthew Hong , Mihir Nitin Kulkarni , Qingpei Li , Jyotirmoy V. Deshmukh

Meta-reinforcement learning algorithms provide a data-driven way to acquire policies that quickly adapt to many tasks with varying rewards or dynamics functions. However, learned meta-policies are often effective only on the exact task…

Machine Learning · Computer Science 2023-07-13 Anurag Ajay , Abhishek Gupta , Dibya Ghosh , Sergey Levine , Pulkit Agrawal

Multi-task reinforcement learning endeavors to accomplish a set of different tasks with a single policy. To enhance data efficiency by sharing parameters across multiple tasks, a common practice segments the network into distinct modules…

Artificial Intelligence · Computer Science 2024-01-26 Jinmin He , Kai Li , Yifan Zang , Haobo Fu , Qiang Fu , Junliang Xing , Jian Cheng

Robotic tactile sensing provides a method of recognizing objects and their properties where vision fails. Prior work on tactile perception in robotic manipulation has frequently focused on exploratory procedures (EPs). However, the…

Robotics · Computer Science 2022-12-09 Xin Zhou , Adam J. Spiers

This paper introduces Dynamic Embeddings with Task-Oriented prompting (DETOT), a novel approach aimed at improving the adaptability and efficiency of machine learning models by implementing a flexible embedding layer. Unlike traditional…

Computation and Language · Computer Science 2024-06-25 Allmin Balloccu , Jack Zhang

With the advent of large language models and large-scale robotic datasets, there has been tremendous progress in high-level decision-making for object manipulation. These generic models are able to interpret complex tasks using language…

Robotics · Computer Science 2023-11-03 Wentao Yuan , Adithyavairavan Murali , Arsalan Mousavian , Dieter Fox

Simulating the long-term dynamics of multi-scale and multi-physics systems poses a significant challenge in understanding complex phenomena across science and engineering. The complexity arises from the intricate interactions between scales…

Machine Learning · Computer Science 2025-09-22 Da Long , Shandian Zhe , Samuel Williams , Leonid Oliker , Zhe Bai

Deep learning models are increasingly utilized on resource-constrained edge devices for real-time data analytics. Recently, Vision Transformer and their variants have shown exceptional performance in various computer vision tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Xiang Liu , Yijun Song , Xia Li , Yifei Sun , Huiying Lan , Zemin Liu , Linshan Jiang , Jialin Li

Offline safe reinforcement learning (RL) aims to train a constraint satisfaction policy from a fixed dataset. Current state-of-the-art approaches are based on supervised learning with a conditioned policy. However, these approaches fall…

Machine Learning · Computer Science 2025-01-28 Zijian Guo , Weichao Zhou , Wenchao Li

Deep reinforcement learning (DRL) techniques have become increasingly used in various fields for decision-making processes. However, a challenge that often arises is the trade-off between both the computational efficiency of the…

Machine Learning · Computer Science 2023-08-21 Anthony Kobanda , Valliappan C. A. , Joshua Romoff , Ludovic Denoyer

Deep reinforcement learning (DRL) has become a powerful tool for complex decision-making in machine learning and AI. However, traditional methods often assume perfect action execution, overlooking the uncertainties and deviations between an…

Robotics · Computer Science 2025-07-02 Oren Fivel , Matan Rudman , Kobi Cohen

This paper addresses the problem of learning optimal control policies for systems with uncertain dynamics and high-level control objectives specified as Linear Temporal Logic (LTL) formulas. Uncertainty is considered in the workspace…

Robotics · Computer Science 2024-10-17 Yiannis Kantaros , Jun Wang