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In this work, we propose a deep reinforcement learning (DRL) based reactive planner to solve large-scale Lidar-based autonomous robot exploration problems in 2D action space. Our DRL-based planner allows the agent to reactively plan its…

Robotics · Computer Science 2024-03-19 Yuhong Cao , Rui Zhao , Yizhuo Wang , Bairan Xiang , Guillaume Sartoretti

Reinforcement learning (RL) agents typically learn tabula rasa, without prior knowledge of the world. However, if initialized with knowledge of high-level subgoals and transitions between subgoals, RL agents could utilize this Abstract…

Machine Learning · Computer Science 2023-04-28 Kolby Nottingham , Prithviraj Ammanabrolu , Alane Suhr , Yejin Choi , Hannaneh Hajishirzi , Sameer Singh , Roy Fox

Language Models and Vision Language Models have recently demonstrated unprecedented capabilities in terms of understanding human intentions, reasoning, scene understanding, and planning-like behaviour, in text form, among many others. In…

Unlike reinforcement learning (RL) agents, humans remain capable multitaskers in changing environments. In spite of only experiencing the world through their own observations and interactions, people know how to balance focusing on tasks…

Artificial Intelligence · Computer Science 2024-07-02 Rishav Bhagat , Jonathan Balloch , Zhiyu Lin , Julia Kim , Mark Riedl

Advancements in reinforcement learning (RL) have been remarkable in recent years. However, the limitations of traditional training methods have become increasingly evident, particularly in meta-RL settings where agents face new, unseen…

Machine Learning · Computer Science 2023-02-07 Ramnath Kumar , Tristan Deleu , Yoshua Bengio

Some of the most important tasks take place in environments which lack cheap and perfect simulators, thus hampering the application of model-free reinforcement learning (RL). While model-based RL aims to learn a dynamics model, in a more…

Machine Learning · Computer Science 2020-01-01 Marwin H. S. Segler

In the past decade, model-free reinforcement learning (RL) has provided solutions to challenging domains such as robotics. Model-based RL shows the prospect of being more sample-efficient than model-free methods in terms of…

Machine Learning · Computer Science 2021-04-14 John McLeod , Hrvoje Stojic , Vincent Adam , Dongho Kim , Jordi Grau-Moya , Peter Vrancx , Felix Leibfried

The Overfitted Brain hypothesis suggests dreams happen to allow generalization in the human brain. Here, we ask if the same is true for reinforcement learning agents as well. Given limited experience in a real environment, we use…

Machine Learning · Computer Science 2024-03-14 Giorgio Franceschelli , Mirco Musolesi

Reinforcement learning (RL) trains an agent from experiences interacting with the environment. In scenarios where online interactions are impractical, offline RL, which trains the agent using pre-collected datasets, has become popular.…

Machine Learning · Computer Science 2024-09-04 Chen Gong , Kecen Li , Jin Yao , Tianhao Wang

Reinforcement learning (RL) promises to unlock capabilities beyond imitation learning for Vision-Language-Action (VLA) models, but its requirement for massive real-world interaction prevents direct deployment on physical robots. Recent work…

Multi-agent reinforcement learning (MARL) extends (single-agent) reinforcement learning (RL) by introducing additional agents and (potentially) partial observability of the environment. Consequently, algorithms for solving MARL problems…

Multiagent Systems · Computer Science 2019-09-12 Yilun Zhou , Derrik E. Asher , Nicholas R. Waytowich , Julie A. Shah

State of the art reinforcement learning has enabled training agents on tasks of ever increasing complexity. However, the current paradigm tends to favor training agents from scratch on every new task or on collections of tasks with a view…

Machine Learning · Computer Science 2023-02-09 Jacob Walker , Eszter Vértes , Yazhe Li , Gabriel Dulac-Arnold , Ankesh Anand , Théophane Weber , Jessica B. Hamrick

In neuroscience, one of the key behavioral tests for determining whether a subject of study exhibits model-based behavior is to study its adaptiveness to local changes in the environment. In reinforcement learning, however, recent studies…

Machine Learning · Computer Science 2024-05-28 Safa Alver , Ali Rahimi-Kalahroudi , Doina Precup

Model-based reinforcement learning (MBRL) provides a way to learn a transition model of the environment, which can then be used to plan personalized policies for different patient cohorts and to understand the dynamics involved in the…

Machine Learning · Computer Science 2024-11-22 Abhishek Sharma , Sonali Parbhoo , Omer Gottesman , Finale Doshi-Velez

Model-based Deep Reinforcement Learning (RL) assumes the availability of a model of an environment's underlying transition dynamics. This model can be used to predict future effects of an agent's possible actions. When no such model is…

Machine Learning · Computer Science 2021-12-15 Andreas Sedlmeier , Michael Kölle , Robert Müller , Leo Baudrexel , Claudia Linnhoff-Popien

The recent progress in Reinforcement Learning applications to Resource Management presents MDPs without a deeper analysis of the impacts of design decisions on agent performance. In this paper, we compare and contrast four different MDP…

Artificial Intelligence · Computer Science 2021-09-08 Renato Luiz de Freitas Cunha , Luiz Chaimowicz

Offline reinforcement learning (RL) offers a powerful paradigm for data-driven control. Compared to model-free approaches, offline model-based RL (MBRL) explicitly learns a world model from a static dataset and uses it as a surrogate…

Machine Learning · Computer Science 2026-02-02 Jiayu Chen , Le Xu , Aravind Venugopal , Jeff Schneider

As AI technology advances, research in playing text-based games with agents has becomeprogressively popular. In this paper, a novel approach to agent design and agent learning ispresented with the context of reinforcement learning. A model…

Computation and Language · Computer Science 2025-09-04 Haonan Wang , Mingjia Zhao , Junfeng Sun , Wei Liu

Model-based reinforcement learning (MBRL) aims to learn a dynamic model to reduce the number of interactions with real-world environments. However, due to estimation error, rollouts in the learned model, especially those of long horizons,…

Machine Learning · Computer Science 2020-03-17 Yueh-Hua Wu , Ting-Han Fan , Peter J. Ramadge , Hao Su

It is still a challenging topic to make reactive driving behaviors in complex urban environments as road users' intentions are unknown. Model-based reinforcement learning (MBRL) offers great potential to learn a reactive policy by…

Robotics · Computer Science 2025-01-29 Yinfeng Gao , Qichao Zhang , Da-wei Ding , Dongbin Zhao