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There are several real-world tasks that would benefit from applying multiagent reinforcement learning (MARL) algorithms, including the coordination among self-driving cars. The real world has challenging conditions for multiagent learning…

Multiagent Systems · Computer Science 2020-02-19 Rose E. Wang , Michael Everett , Jonathan P. How

Many studies have applied reinforcement learning to train a dialog policy and show great promise these years. One common approach is to employ a user simulator to obtain a large number of simulated user experiences for reinforcement…

Computation and Language · Computer Science 2020-04-24 Ryuichi Takanobu , Runze Liang , Minlie Huang

Safe and efficient co-planning of multiple robots in pedestrian participation environments is promising for applications. In this work, a novel multi-robot social-aware efficient cooperative planner that on the basis of off-policy…

Robotics · Computer Science 2022-11-30 Zichen He , Chunwei Song , Lu Dong

In complex environments with high dimension, training a reinforcement learning (RL) model from scratch often suffers from lengthy and tedious collection of agent-environment interactions. Instead, leveraging expert demonstration to guide RL…

Machine Learning · Computer Science 2021-09-28 Zhaorun Chen , Binhao Chen , Shenghan Xie , Liang Gong , Chengliang Liu , Zhengfeng Zhang , Junping Zhang

Conventional reinforcement learning (RL) needs an environment to collect fresh data, which is impractical when online interactions are costly. Offline RL provides an alternative solution by directly learning from the previously collected…

Machine Learning · Computer Science 2023-03-15 Han Zheng , Xufang Luo , Pengfei Wei , Xuan Song , Dongsheng Li , Jing Jiang

A key problem in off-policy Reinforcement Learning (RL) is the mismatch, or distribution shift, between the dataset and the distribution over states and actions visited by the learned policy. This problem is exacerbated in the fully offline…

Machine Learning · Computer Science 2023-11-28 Melrose Roderick , Gaurav Manek , Felix Berkenkamp , J. Zico Kolter

Multi-agent reinforcement learning systems aim to provide interacting agents with the ability to collaboratively learn and adapt to the behaviour of other agents. In many real-world applications, the agents can only acquire a partial view…

Machine Learning · Computer Science 2018-12-04 Ozsel Kilinc , Giovanni Montana

Reinforcement learning (RL) in low-data and risk-sensitive domains requires performant and flexible deployment policies that can readily incorporate constraints during deployment. One such class of policies are the semi-parametric H-step…

Machine Learning · Computer Science 2021-10-07 Harshit Sikchi , Wenxuan Zhou , David Held

Recently, model-based agents have achieved better performance than model-free ones using the same computational budget and training time in single-agent environments. However, due to the complexity of multi-agent systems, it is tough to…

Multiagent Systems · Computer Science 2022-12-08 Zhiwei Xu , Dapeng Li , Bin Zhang , Yuan Zhan , Yunpeng Bai , Guoliang Fan

Reinforcement learning (RL) has been widely adopted for controlling and optimizing complex engineering systems such as next-generation wireless networks. An important challenge in adopting RL is the need for direct access to the physical…

Machine Learning · Computer Science 2024-11-19 Eslam Eldeeb , Houssem Sifaou , Osvaldo Simeone , Mohammad Shehab , Hirley Alves

Skill-based reinforcement learning (RL) has emerged as a promising strategy to leverage prior knowledge for accelerated robot learning. Skills are typically extracted from expert demonstrations and are embedded into a latent space from…

Robotics · Computer Science 2022-11-07 Krishan Rana , Ming Xu , Brendan Tidd , Michael Milford , Niko Sünderhauf

Many reality tasks such as robot coordination can be naturally modelled as multi-agent cooperative system where the rewards are sparse. This paper focuses on learning decentralized policies for such tasks using sub-optimal demonstration. To…

Artificial Intelligence · Computer Science 2021-08-20 Peixi Peng , Junliang Xing

Reinforcement learning (RL) algorithms find applications in inventory control, recommender systems, vehicular traffic management, cloud computing and robotics. The real-world complications of many tasks arising in these domains makes them…

Machine Learning · Computer Science 2021-06-03 Sindhu Padakandla

As humans, our goals and our environment are persistently changing throughout our lifetime based on our experiences, actions, and internal and external drives. In contrast, typical reinforcement learning problem set-ups consider decision…

Machine Learning · Computer Science 2020-06-19 Annie Xie , James Harrison , Chelsea Finn

This paper introduces two simple techniques to improve off-policy Reinforcement Learning (RL) algorithms. First, we formulate off-policy RL as a stochastic proximal point iteration. The target network plays the role of the variable of…

Machine Learning · Computer Science 2020-08-04 Marco Maggipinto , Gian Antonio Susto , Pratik Chaudhari

Multi-agent path finding in formation has many potential real-world applications like mobile warehouse robots. However, previous multi-agent path finding (MAPF) methods hardly take formation into consideration. Furthermore, they are usually…

Robotics · Computer Science 2020-11-05 Shanqi Liu , Licheng Wen , Jinhao Cui , Xuemeng Yang , Junjie Cao , Yong Liu

Many real world tasks require multiple agents to work together. Multi-agent reinforcement learning (RL) methods have been proposed in recent years to solve these tasks, but current methods often fail to efficiently learn policies. We thus…

Machine Learning · Computer Science 2019-12-03 Johannes Ackermann , Volker Gabler , Takayuki Osa , Masashi Sugiyama

In reinforcement learning algorithms, leveraging multiple views of the environment can improve the learning of complicated policies. In multi-view environments, due to the fact that the views may frequently suffer from partial…

Machine Learning · Computer Science 2019-07-24 Elaheh Barati , Xuewen Chen

Unlike traditional reinforcement learning (RL), market-based RL is in principle applicable to worlds described by partially observable Markov Decision Processes (POMDPs), where an agent needs to learn short-term memories of relevant…

Artificial Intelligence · Computer Science 2007-05-23 Ivo Kwee , Marcus Hutter , Juergen Schmidhuber

In reinforcement learning (RL) research, it is common to assume access to direct online interactions with the environment. However in many real-world applications, access to the environment is limited to a fixed offline dataset of logged…

Machine Learning · Computer Science 2019-11-27 Yifan Wu , George Tucker , Ofir Nachum