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Reinforcement learning (RL) algorithms typically start tabula rasa, without any prior knowledge of the environment, and without any prior skills. This however often leads to low sample efficiency, requiring a large amount of interaction…

Machine Learning · Computer Science 2020-07-13 Matthias Hutsebaut-Buysse , Kevin Mets , Steven Latré

Transfer learning can be applied in deep reinforcement learning to accelerate the training of a policy in a target task by transferring knowledge from a policy learned in a related source task. This is commonly achieved by copying…

Machine Learning · Computer Science 2023-06-22 Joseph Campbell , Yue Guo , Fiona Xie , Simon Stepputtis , Katia Sycara

Deep reinforcement learning agents have recently been successful across a variety of discrete and continuous control tasks; however, they can be slow to train and require a large number of interactions with the environment to learn a…

Machine Learning · Computer Science 2018-12-19 Thomas Carr , Maria Chli , George Vogiatzis

Recent work has found that multi-task training with a large number of diverse tasks can uniformly improve downstream performance on unseen target tasks. In contrast, literature on task transferability has established that the choice of…

Computation and Language · Computer Science 2022-07-13 Vishakh Padmakumar , Leonard Lausen , Miguel Ballesteros , Sheng Zha , He He , George Karypis

We are interested in how to design reinforcement learning agents that provably reduce the sample complexity for learning new tasks by transferring knowledge from previously-solved ones. The availability of solutions to related problems…

Machine Learning · Computer Science 2020-07-03 Andrea Tirinzoni , Riccardo Poiani , Marcello Restelli

This paper introduces a novel transfer learning framework for deep multi-agent reinforcement learning. The approach automatically combines goal-conditioned policies with temporal contrastive learning to discover meaningful sub-goals. The…

Artificial Intelligence · Computer Science 2024-06-04 Weihao Zeng , Joseph Campbell , Simon Stepputtis , Katia Sycara

Recent advances in NLP demonstrate the effectiveness of training large-scale language models and transferring them to downstream tasks. Can fine-tuning these models on tasks other than language modeling further improve performance? In this…

Computation and Language · Computer Science 2020-10-08 Tu Vu , Tong Wang , Tsendsuren Munkhdalai , Alessandro Sordoni , Adam Trischler , Andrew Mattarella-Micke , Subhransu Maji , Mohit Iyyer

The benefit of multi-task learning over single-task learning relies on the ability to use relations across tasks to improve performance on any single task. While sharing representations is an important mechanism to share information across…

Machine Learning · Computer Science 2021-06-14 Shagun Sodhani , Amy Zhang , Joelle Pineau

Reinforcement learning (RL) has been used in a range of simulated real-world tasks, e.g., sensor coordination, traffic light control, and on-demand mobility services. However, real world deployments are rare, as RL struggles with dynamic…

Machine Learning · Computer Science 2021-12-02 Alberto Castagna , Ivana Dusparic

This paper presents a learning framework to estimate an agent capability and task requirement model for multi-agent task allocation. With a set of team configurations and the corresponding task performances as the training data, linear task…

Robotics · Computer Science 2022-11-09 Bo Fu , William Smith , Denise Rizzo , Matthew Castanier , Maani Ghaffari , Kira Barton

In this paper, we consider a transfer reinforcement learning problem involving agents with different action spaces. Specifically, for any new unseen task, the goal is to use a successful demonstration of this task by an expert agent in its…

Machine Learning · Computer Science 2024-10-21 Kavinayan P. Sivakumar , Yan Zhang , Zachary Bell , Scott Nivison , Michael M. Zavlanos

Transfer learning is an exciting area of Natural Language Processing that has the potential to both improve model performance and increase data efficiency. This study explores the effects of varying quantities of target task training data…

Computation and Language · Computer Science 2022-10-24 Josiah Ross , Luke Yoffe , Alon Albalak , William Yang Wang

Transfer in reinforcement learning refers to the notion that generalization should occur not only within a task but also across tasks. We propose a transfer framework for the scenario where the reward function changes between tasks but the…

Artificial Intelligence · Computer Science 2018-04-13 André Barreto , Will Dabney , Rémi Munos , Jonathan J. Hunt , Tom Schaul , Hado van Hasselt , David Silver

Transfer Learning, a technique where a model/agent can use the knowledge/expertise that it gained from one task and exploit that to solve another closely-related task, is often used in tackling problems in deep learning. Through this…

Robotics · Computer Science 2026-05-19 Benedict Florance Arockiaraj , Richard Chang , Wesley Yee

Developing high-performing systems for detecting biomedical named entities has major implications. State-of-the-art deep-learning based solutions for entity recognition often require large annotated datasets, which is not available in the…

Computation and Language · Computer Science 2020-11-03 Arda Akdemir , Tetsuo Shibuya

We introduce a novel setting, wherein an agent needs to learn a task from a demonstration of a related task with the difference between the tasks communicated in natural language. The proposed setting allows reusing demonstrations from…

Artificial Intelligence · Computer Science 2023-01-25 Prasoon Goyal , Raymond J. Mooney , Scott Niekum

Multi-task neural architecture search (NAS) enables transferring architectural knowledge among different tasks. However, ranking disorder between the source task and the target task degrades the architecture performance on the downstream…

Neural and Evolutionary Computing · Computer Science 2026-02-03 TingJie Zhang , HaiLin Liu

A crucial challenge in reinforcement learning is to reduce the number of interactions with the environment that an agent requires to master a given task. Transfer learning proposes to address this issue by re-using knowledge from previously…

Machine Learning · Computer Science 2023-04-28 Remo Sasso , Matthia Sabatelli , Marco A. Wiering

Neural architecture search (NAS) has emerged as a promising avenue for automatically designing task-specific neural networks. Existing NAS approaches require one complete search for each deployment specification of hardware or objective.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Zhichao Lu , Gautam Sreekumar , Erik Goodman , Wolfgang Banzhaf , Kalyanmoy Deb , Vishnu Naresh Boddeti

Transfer learning refers to the process of adapting a model trained on a source task to a target task. While kernel methods are conceptually and computationally simple machine learning models that are competitive on a variety of tasks, it…

Machine Learning · Computer Science 2022-11-02 Adityanarayanan Radhakrishnan , Max Ruiz Luyten , Neha Prasad , Caroline Uhler