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Grounding language in perception and action is a key challenge when building situated agents that can interact with humans, or other agents, via language. In the past, addressing this challenge has required manually designing the language…

Machine Learning · Computer Science 2025-10-28 Andrew C. Li , Toryn Q. Klassen , Andrew Wang , Parand A. Alamdari , Sheila A. McIlraith

Reinforcement Learning (RL) techniques have drawn great attention in many challenging tasks, but their performance deteriorates dramatically when applied to real-world problems. Various methods, such as domain randomization, have been…

Machine Learning · Computer Science 2022-08-05 Wangyang Yue , Yuan Zhou , Xiaochuan Zhang , Yuchen Hua , Zhiyuan Wang , Guang Kou

A significant challenge for autonomous cyber defence is ensuring a defensive agent's ability to generalise across diverse network topologies and configurations. This capability is necessary for agents to remain effective when deployed in…

Machine Learning · Computer Science 2025-01-27 Isaac Symes Thompson , Alberto Caron , Chris Hicks , Vasilios Mavroudis

Agents capable of reasoning and planning in the real world require the ability of predicting the consequences of their actions. While world models possess this capability, they most often require action labels, that can be complex to obtain…

Artificial Intelligence · Computer Science 2026-01-21 Quentin Garrido , Tushar Nagarajan , Basile Terver , Nicolas Ballas , Yann LeCun , Michael Rabbat

We consider a sequence of related multivariate time series learning tasks, such as predicting failures for different instances of a machine from time series of multi-sensor data, or activity recognition tasks over different individuals from…

Machine Learning · Computer Science 2022-03-15 Vibhor Gupta , Jyoti Narwariya , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

Producing agents that can generalize to a wide range of visually different environments is a significant challenge in reinforcement learning. One method for overcoming this issue is visual domain randomization, whereby at the start of each…

Machine Learning · Computer Science 2020-03-09 Reda Bahi Slaoui , William R. Clements , Jakob N. Foerster , Sébastien Toth

As learning-based robotic controllers are typically trained offline and deployed with fixed parameters, their ability to cope with unforeseen changes during operation is limited. Biologically inspired, this work presents a framework for…

Robotics · Computer Science 2026-03-05 Fabian Domberg , Georg Schildbach

In-context learning (ICL) of large language models has proven to be a surprisingly effective method of learning a new task from only a few demonstrative examples. In this paper, we study the efficacy of ICL from the viewpoint of statistical…

Machine Learning · Statistics 2024-10-03 Juno Kim , Tai Nakamaki , Taiji Suzuki

We consider problems of making sequences of decisions to accomplish tasks, interacting via the medium of language. These problems are often tackled with reinforcement learning approaches. We find that these models do not generalize well…

Computation and Language · Computer Science 2020-10-07 Xusen Yin , Ralph Weischedel , Jonathan May

Semantic segmentation is still a challenging task for parsing diverse contexts in different scenes, thus the fixed classifier might not be able to well address varying feature distributions during testing. Different from the mainstream…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Zhuotao Tian , Jiequan Cui , Li Jiang , Xiaojuan Qi , Xin Lai , Yixin Chen , Shu Liu , Jiaya Jia

To achieve general artificial intelligence, reinforcement learning (RL) agents should learn not only to optimize returns for one specific task but also to constantly build more complex skills and scaffold their knowledge about the world,…

Artificial Intelligence · Computer Science 2018-12-07 Khimya Khetarpal , Shagun Sodhani , Sarath Chandar , Doina Precup

Long-context video modeling is essential for enabling generative models to function as world simulators, as they must maintain temporal coherence over extended time spans. However, most existing models are trained on short clips, limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yuchao Gu , Weijia Mao , Mike Zheng Shou

When developing reinforcement learning agents, the standard approach is to train an agent to converge to a fixed policy that is as close to optimal as possible for a single fixed reward function. If different agent behaviour is required in…

Multiagent Systems · Computer Science 2021-01-29 David O'Callaghan , Patrick Mannion

Recently introduced by some of the authors, the in-context identification paradigm aims at estimating, offline and based on synthetic data, a meta-model that describes the behavior of a whole class of systems. Once trained, this meta-model…

Machine Learning · Computer Science 2024-10-07 Matteo Rufolo , Dario Piga , Gabriele Maroni , Marco Forgione

Large-scale models trained on broad data have recently become the mainstream architecture in computer vision due to their strong generalization performance. In this paper, the main focus is on an emergent ability in large vision models,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Yuanhan Zhang , Kaiyang Zhou , Ziwei Liu

We propose a method for meta-learning reinforcement learning algorithms by searching over the space of computational graphs which compute the loss function for a value-based model-free RL agent to optimize. The learned algorithms are…

Machine Learning · Computer Science 2022-11-11 John D. Co-Reyes , Yingjie Miao , Daiyi Peng , Esteban Real , Sergey Levine , Quoc V. Le , Honglak Lee , Aleksandra Faust

Social learning is a key component of human and animal intelligence. By taking cues from the behavior of experts in their environment, social learners can acquire sophisticated behavior and rapidly adapt to new circumstances. This paper…

Machine Learning · Computer Science 2021-06-24 Kamal Ndousse , Douglas Eck , Sergey Levine , Natasha Jaques

In model-based reinforcement learning, generative and temporal models of environments can be leveraged to boost agent performance, either by tuning the agent's representations during training or via use as part of an explicit planning…

Recent techniques in dynamical scheduling and resource management have found applications in warehouse environments due to their ability to organize and prioritize tasks in a higher temporal resolution. The rise of deep reinforcement…

Machine Learning · Computer Science 2022-03-08 Stelios Stavroulakis , Biswa Sengupta

The ability to learn robust policies while generalizing over large discrete action spaces is an open challenge for intelligent systems, especially in noisy environments that face the curse of dimensionality. In this paper, we present a…

Machine Learning · Computer Science 2023-06-29 Pranavi Pathakota , Hardik Meisheri , Harshad Khadilkar