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Safe reinforcement learning has traditionally relied on predefined constraint functions to ensure safety in complex real-world tasks, such as autonomous driving. However, defining these functions accurately for varied tasks is a persistent…

机器学习 · 计算机科学 2025-01-31 Se-Wook Yoo , Seung-Woo Seo

The goal of lifelong learning is to continuously learn from non-stationary distributions, where the non-stationarity is typically imposed by a sequence of distinct tasks. Prior works have mostly considered idealistic settings, where the…

机器学习 · 计算机科学 2024-06-04 Haoran Zhu , Maryam Majzoubi , Arihant Jain , Anna Choromanska

Active learning emerged as an alternative to alleviate the effort to label huge amount of data for data hungry applications (such as image/video indexing and retrieval, autonomous driving, etc.). The goal of active learning is to…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Minghan Li , Xialei Liu , Joost van de Weijer , Bogdan Raducanu

The idea of reusing or transferring information from previously learned tasks (source tasks) for the learning of new tasks (target tasks) has the potential to significantly improve the sample efficiency of a reinforcement learning agent. In…

人工智能 · 计算机科学 2022-09-28 Thommen George Karimpanal , Roland Bouffanais

Active learning aims to reduce labeling efforts by selectively asking humans to annotate the most important data points from an unlabeled pool and is an example of human-machine interaction. Though active learning has been extensively…

机器学习 · 计算机科学 2020-01-31 Hongjing Zhang , S. S. Ravi , Ian Davidson

In multi-task learning, a learner is given a collection of prediction tasks and needs to solve all of them. In contrast to previous work, which required that annotated training data is available for all tasks, we consider a new setting, in…

机器学习 · 统计学 2017-06-09 Anastasia Pentina , Christoph H. Lampert

Continual learning aims to train a model incrementally on a sequence of tasks without forgetting previous knowledge. Although continual learning has been widely studied in computer vision, its application to Vision+Language tasks is not…

机器学习 · 计算机科学 2024-01-23 Mavina Nikandrou , Lu Yu , Alessandro Suglia , Ioannis Konstas , Verena Rieser

Leveraging task-aware annotated data as supervised signals to assist with self-supervised learning on large-scale unlabeled data has become a new trend in pre-training language models. Existing studies show that multi-task learning with…

计算与语言 · 计算机科学 2022-10-13 Zhuosheng Zhang , Shuohang Wang , Yichong Xu , Yuwei Fang , Wenhao Yu , Yang Liu , Hai Zhao , Chenguang Zhu , Michael Zeng

In a variety of problems originating in supervised, unsupervised, and reinforcement learning, the loss function is defined by an expectation over a collection of random variables, which might be part of a probabilistic model or the external…

机器学习 · 计算机科学 2016-01-06 John Schulman , Nicolas Heess , Theophane Weber , Pieter Abbeel

Catastrophic forgetting and capacity saturation are the central challenges of any parametric lifelong learning system. In this work, we study these challenges in the context of sequential supervised learning with an emphasis on recurrent…

机器学习 · 计算机科学 2019-09-10 Shagun Sodhani , Sarath Chandar , Yoshua Bengio

Sharing knowledge between tasks is vital for efficient learning in a multi-task setting. However, most research so far has focused on the easier case where knowledge transfer is not harmful, i.e., where knowledge from one task cannot…

机器学习 · 计算机科学 2019-07-08 Timo Bram , Gino Brunner , Oliver Richter , Roger Wattenhofer

This paper introduces self-paced task selection to multitask learning, where instances from more closely related tasks are selected in a progression of easier-to-harder tasks, to emulate an effective human education strategy, but applied to…

机器学习 · 统计学 2017-06-20 Keerthiram Murugesan , Jaime Carbonell

Tasks where the set of possible actions depend discontinuously on the state pose a significant challenge for current reinforcement learning algorithms. For example, a locked door must be first unlocked, and then the handle turned before the…

机器人学 · 计算机科学 2023-03-09 Mrinal Verghese , Chris Atkeson

The performance of deep neural networks improves with more annotated data. The problem is that the budget for annotation is limited. One solution to this is active learning, where a model asks human to annotate data that it perceived as…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Donggeun Yoo , In So Kweon

A robot deployed in a home over long stretches of time faces a true lifelong learning problem. As it seeks to provide assistance to its users, the robot should leverage any accumulated experience to improve its own knowledge and…

机器人学 · 计算机科学 2023-11-07 Jorge Mendez-Mendez , Leslie Pack Kaelbling , Tomás Lozano-Pérez

Deep learning models are often deployed in downstream tasks that the training procedure may not be aware of. For example, models solely trained to achieve accurate predictions may struggle to perform well on downstream tasks because…

机器学习 · 计算机科学 2024-09-27 Dishank Bansal , Ricky T. Q. Chen , Mustafa Mukadam , Brandon Amos

In this work, we introduce a learning model designed to meet the needs of applications in which computational resources are limited, and robustness and interpretability are prioritized. Learning problems can be formulated as constrained…

系统与控制 · 电气工程与系统科学 2025-09-26 Christos Mavridis , John Baras

Learned dynamics models combined with both planning and policy learning algorithms have shown promise in enabling artificial agents to learn to perform many diverse tasks with limited supervision. However, one of the fundamental challenges…

机器学习 · 计算机科学 2020-08-12 Suraj Nair , Silvio Savarese , Chelsea Finn

Multi-task learning (MTL) has been widely applied in online advertising and recommender systems. To address the negative transfer issue, recent studies have proposed optimization methods that thoroughly focus on the gradient alignment of…

信息检索 · 计算机科学 2023-03-13 Xuanhua Yang , Jianxin Zhao , Shaoguo Liu , Liang Wang , Bo Zheng

Team adaptation to new cooperative tasks is a hallmark of human intelligence, which has yet to be fully realized in learning agents. Previous work on multi-agent transfer learning accommodate teams of different sizes, heavily relying on the…

人工智能 · 计算机科学 2022-03-10 Rongjun Qin , Feng Chen , Tonghan Wang , Lei Yuan , Xiaoran Wu , Zongzhang Zhang , Chongjie Zhang , Yang Yu