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Learning from demonstrations has made great progress over the past few years. However, it is generally data hungry and task specific. In other words, it requires a large amount of data to train a decent model on a particular task, and the…

机器学习 · 计算机科学 2021-03-29 Pin Wang , Hanhan Li , Ching-Yao Chan

The development of autonomous web agents, powered by Large Language Models (LLMs) and reinforcement learning (RL), represents a significant step towards general-purpose AI assistants. However, training these agents is severely hampered by…

计算与语言 · 计算机科学 2026-04-21 Hang Ding , Peidong Liu , Junqiao Wang , Ziwei Ji , Meng Cao , Rongzhao Zhang , Lynn Ai , Eric Yang , Tianyu Shi , Lei Yu

In modern ML Ops environments, model deployment is a critical process that traditionally relies on static heuristics such as validation error comparisons and A/B testing. However, these methods require human intervention to adapt to…

机器学习 · 计算机科学 2025-03-31 S. Aaron McClendon , Vishaal Venkatesh , Juan Morinelli

Reinforcement Learning (RL) algorithms can solve challenging control problems directly from image observations, but they often require millions of environment interactions to do so. Recently, model-based RL algorithms have greatly improved…

机器学习 · 计算机科学 2023-06-16 Yifan Xu , Nicklas Hansen , Zirui Wang , Yung-Chieh Chan , Hao Su , Zhuowen Tu

Language models trained on diverse datasets unlock generalization by in-context learning. Reinforcement Learning (RL) policies can achieve a similar effect by meta-learning within the memory of a sequence model. However, meta-RL research…

机器学习 · 计算机科学 2024-11-19 Jake Grigsby , Justin Sasek , Samyak Parajuli , Daniel Adebi , Amy Zhang , Yuke Zhu

Reinforcement learning (RL) studies how an agent comes to achieve reward in an environment through interactions over time. Recent advances in machine RL have surpassed human expertise at the world's oldest board games and many classic video…

Pretraining reinforcement learning (RL) models on offline datasets is a promising way to improve their training efficiency in online tasks, but challenging due to the inherent mismatch in dynamics and behaviors across various tasks. We…

机器学习 · 计算机科学 2024-06-06 Minting Pan , Yitao Zheng , Yunbo Wang , Xiaokang Yang

By planning through a learned dynamics model, model-based reinforcement learning (MBRL) offers the prospect of good performance with little environment interaction. However, it is common in practice for the learned model to be inaccurate,…

机器学习 · 计算机科学 2021-03-31 Behzad Haghgoo , Allan Zhou , Archit Sharma , Chelsea Finn

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…

机器学习 · 计算机科学 2023-02-07 Ramnath Kumar , Tristan Deleu , Yoshua Bengio

Model-based Reinforcement Learning (MBRL) holds promise for data-efficiency by planning with model-generated experience in addition to learning with experience from the environment. However, in complex or changing environments, models in…

机器学习 · 计算机科学 2022-05-24 Esra'a Saleh , John D. Martin , Anna Koop , Arash Pourzarabi , Michael Bowling

A major challenge of reinforcement learning (RL) in real-world applications is the variation between environments, tasks or clients. Meta-RL (MRL) addresses this issue by learning a meta-policy that adapts to new tasks. Standard MRL methods…

机器学习 · 计算机科学 2023-10-03 Ido Greenberg , Shie Mannor , Gal Chechik , Eli Meirom

The transformer architecture and variants presented remarkable success across many machine learning tasks in recent years. This success is intrinsically related to the capability of handling long sequences and the presence of…

机器学习 · 计算机科学 2022-06-15 Luckeciano C. Melo

Reinforcement learning (RL) is a goal-oriented learning solution that has proven to be successful for Neural Architecture Search (NAS) on the CIFAR and ImageNet datasets. However, a limitation of this approach is its high computational…

神经与进化计算 · 计算机科学 2019-12-04 J. Gomez Robles , J. Vanschoren

In recent years, model-free methods that use deep learning have achieved great success in many different reinforcement learning environments. Most successful approaches focus on solving a single task, while multi-task reinforcement learning…

机器学习 · 计算机科学 2017-05-25 Asier Mujika

Model-based reinforcement learning (MBRL) is recognized with the potential to be significantly more sample-efficient than model-free RL. How an accurate model can be developed automatically and efficiently from raw sensory inputs (such as…

机器人学 · 计算机科学 2023-05-24 Jun Lv , Yunhai Feng , Cheng Zhang , Shuang Zhao , Lin Shao , Cewu Lu

Model-based reinforcement learning (MBRL) holds the promise of sample-efficient learning by utilizing a world model, which models how the environment works and typically encompasses components for two tasks: observation modeling and reward…

机器学习 · 计算机科学 2024-06-06 Haoyu Ma , Jialong Wu , Ningya Feng , Chenjun Xiao , Dong Li , Jianye Hao , Jianmin Wang , Mingsheng Long

Providing a suitable reward function to reinforcement learning can be difficult in many real world applications. While inverse reinforcement learning (IRL) holds promise for automatically learning reward functions from demonstrations,…

机器学习 · 计算机科学 2019-10-29 Lantao Yu , Tianhe Yu , Chelsea Finn , Stefano Ermon

Visual Model-Based Reinforcement Learning (MBRL) promises to encapsulate agent's knowledge about the underlying dynamics of the environment, enabling learning a world model as a useful planner. However, top MBRL agents such as Dreamer often…

机器学习 · 计算机科学 2024-05-31 Ruixiang Sun , Hongyu Zang , Xin Li , Riashat Islam

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,…

机器学习 · 计算机科学 2020-03-17 Yueh-Hua Wu , Ting-Han Fan , Peter J. Ramadge , Hao Su

Developing generalist robots capable of mastering diverse skills remains a central challenge in embodied AI. While recent progress emphasizes scaling model parameters and offline datasets, such approaches are limited in robotics, where…

人工智能 · 计算机科学 2026-03-03 Shaohuai Liu , Weirui Ye , Yilun Du , Le Xie