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Offline Multi-Agent Reinforcement Learning (MARL) is an emerging field that aims to learn optimal multi-agent policies from pre-collected datasets. Compared to single-agent case, multi-agent setting involves a large joint state-action space…

Artificial Intelligence · Computer Science 2024-12-19 Zongkai Liu , Qian Lin , Chao Yu , Xiawei Wu , Yile Liang , Donghui Li , Xuetao Ding

Resource balancing within complex transportation networks is one of the most important problems in real logistics domain. Traditional solutions on these problems leverage combinatorial optimization with demand and supply forecasting.…

Multiagent Systems · Computer Science 2019-03-05 Xihan Li , Jia Zhang , Jiang Bian , Yunhai Tong , Tie-Yan Liu

We introduce Recursive Agent Optimization (RAO), a reinforcement learning approach for training recursive agents: agents that can spawn and delegate sub-tasks to new instantiations of themselves recursively. Recursive agents implement an…

Machine Learning · Computer Science 2026-05-08 Apurva Gandhi , Satyaki Chakraborty , Xiangjun Wang , Aviral Kumar , Graham Neubig

Large Language Models (LLMs) have achieved strong performance on a wide range of complex reasoning tasks, yet further gains are often possible by leveraging the complementary strengths of multiple models. While multi-agent frameworks can…

Multiagent Systems · Computer Science 2025-07-15 Andrew Estornell , Jean-Francois Ton , Muhammad Faaiz Taufiq , Hang Li

Experience replay enables reinforcement learning agents to memorize and reuse past experiences, just as humans replay memories for the situation at hand. Contemporary off-policy algorithms either replay past experiences uniformly or utilize…

Machine Learning · Computer Science 2019-06-21 Daochen Zha , Kwei-Herng Lai , Kaixiong Zhou , Xia Hu

We discuss the problem of decentralized multi-agent reinforcement learning (MARL) in this work. In our setting, the global state, action, and reward are assumed to be fully observable, while the local policy is protected as privacy by each…

Multiagent Systems · Computer Science 2021-11-02 Kuo Li , Qing-Shan Jia

Prompt-based offline methods are commonly used to optimize large language model (LLM) responses, but evaluating these responses is computationally intensive and often fails to accommodate diverse response styles. This study introduces a…

Human-Computer Interaction · Computer Science 2025-11-12 Xiangxiang Dai , Yuejin Xie , Maoli Liu , Xuchuang Wang , Zhuohua Li , Huanyu Wang , John C. S. Lui

Existing offline reinforcement learning (RL) methods face a few major challenges, particularly the distributional shift between the learned policy and the behavior policy. Offline Meta-RL is emerging as a promising approach to address these…

Machine Learning · Computer Science 2022-07-14 Sen Lin , Jialin Wan , Tengyu Xu , Yingbin Liang , Junshan Zhang

Recent advancements in Multimodal Large Language Models (MLLMs) have incentivized models to ``think with images'' by actively invoking visual tools during multi-turn reasoning. The common Reinforcement Learning (RL) practice of relying on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Wenhao Yang , Yu Xia , Jinlong Huang , Shiyin Lu , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Yuchen Zhou , Xiaobo Xia , Yuanyu Wan , Lijun Zhang , Tat-Seng Chua

We propose a model enabling decentralized multiple agents to share their perception of environment in a fair and adaptive way. In our model, both the current message and historical observation are taken into account, and they are handled in…

Multiagent Systems · Computer Science 2022-02-23 Jingchen Li , Haobin Shi , Kao-Shing Hwang

Online meta-learning is emerging as an enabling technique for achieving edge intelligence in the IoT ecosystem. Nevertheless, to learn a good meta-model for within-task fast adaptation, a single agent alone has to learn over many tasks, and…

Machine Learning · Computer Science 2020-12-22 Sen Lin , Mehmet Dedeoglu , Junshan Zhang

Most multi-agent reinforcement learning approaches adopt two types of policy optimization methods that either update policy simultaneously or sequentially. Simultaneously updating policies of all agents introduces non-stationarity problem.…

Multiagent Systems · Computer Science 2024-07-30 Wenjing Zhang , Wei Zhang , Wenqing Hu , Yifan Wang

Multiagent coordination in cooperative multiagent systems (MASs) has been widely studied in both fixed-agent repeated interaction setting and the static social learning framework. However, two aspects of dynamics in real-world multiagent…

Multiagent Systems · Computer Science 2018-05-23 Hongyao Tang , Li Wang , Zan Wang , Tim Baarslag , Jianye Hao

Learning to cooperate in distributed partially observable environments with no communication abilities poses significant challenges for multi-agent deep reinforcement learning (MARL). This paper addresses key concerns in this domain,…

Recent multi-agent actor-critic methods have utilized centralized training with decentralized execution to address the non-stationarity of co-adapting agents. This training paradigm constrains learning to the centralized phase such that…

Multiagent Systems · Computer Science 2019-10-09 Kevin Corder , Manuel M. Vindiola , Keith Decker

In cooperative multi-agent reinforcement learning (MARL), combining value decomposition with actor-critic enables agents to learn stochastic policies, which are more suitable for the partially observable environment. Given the goal of…

Machine Learning · Computer Science 2023-02-13 Jiangxing Wang , Deheng Ye , Zongqing Lu

Multi-agent reinforcement learning is a promising research area that extends established reinforcement learning approaches to problems formulated as multi-agent systems. Recently, a multitude of communication methods have been introduced to…

Multiagent Systems · Computer Science 2026-01-21 Christoph Wittner

This study investigates cooperation evolution mechanisms in the spatial public goods game. A novel deep reinforcement learning framework, Proximal Policy Optimization with Adversarial Curriculum Transfer (PPO-ACT), is proposed to model…

Computer Science and Game Theory · Computer Science 2025-07-03 Zhaoqilin Yang , Chanchan Li , Xin Wang , Youliang Tian

Training a multi-agent reinforcement learning (MARL) algorithm is more challenging than training a single-agent reinforcement learning algorithm, because the result of a multi-agent task strongly depends on the complex interactions among…

Machine Learning · Computer Science 2021-01-19 Heechang Ryu , Hayong Shin , Jinkyoo Park

Many hierarchical reinforcement learning algorithms utilise a series of independent skills as a basis to solve tasks at a higher level of reasoning. These algorithms don't consider the value of using skills that are cooperative instead of…

Machine Learning · Computer Science 2022-05-12 Jordan Erskine , Chris Lehnert