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The prevalent use of benchmarks in current offline reinforcement learning (RL) research has led to a neglect of the imbalance of real-world dataset distributions in the development of models. The real-world offline RL dataset is often…

机器学习 · 计算机科学 2024-05-22 Li Jiang , Sijie Cheng , Jielin Qiu , Haoran Xu , Wai Kin Chan , Zhao Ding

Transfer learning has become an essential technique for utilizing information from source datasets to improve the performance of the target task. However, in the context of high-dimensional data, heterogeneity arises due to heteroscedastic…

统计方法学 · 统计学 2024-06-26 Xiaohui Yuan , Shujie Ren

Transfer learning plays a key role in modern data analysis when: (1) the target data are scarce but the source data are sufficient; (2) the distributions of the source and target data are heterogeneous. This paper develops an interpretable…

机器学习 · 统计学 2024-01-31 Shuo Shuo Liu

The tremendous success of deep learning for imaging applications has resulted in numerous beneficial advances. Unfortunately, this success has also been a catalyst for malicious uses such as photo-realistic face swapping of parties without…

机器学习 · 计算机科学 2019-09-11 Xinyi Ding , Zohreh Raziei , Eric C. Larson , Eli V. Olinick , Paul Krueger , Michael Hahsler

In federated learning, federated unlearning is a technique that provides clients with a rollback mechanism that allows them to withdraw their data contribution without training from scratch. However, existing research has not considered…

机器学习 · 计算机科学 2024-12-23 Xinrui Yu , Wenbin Pei , Bing Xue , Qiang Zhang

We study the problem of representation transfer in offline Reinforcement Learning (RL), where a learner has access to episodic data from a number of source tasks collected a priori, and aims to learn a shared representation to be used in…

机器学习 · 计算机科学 2024-02-21 Avinandan Bose , Simon Shaolei Du , Maryam Fazel

In the era of exceptionally data-hungry models, careful selection of the training data is essential to mitigate the extensive costs of deep learning. Data pruning offers a solution by removing redundant or uninformative samples from the…

机器学习 · 计算机科学 2025-02-11 Artem Vysogorets , Kartik Ahuja , Julia Kempe

We argue that the negative transfer problem occurring when the new task to learn arrives is an important problem that needs not be overlooked when developing effective Continual Reinforcement Learning (CRL) algorithms. Through comprehensive…

机器学习 · 计算机科学 2025-11-05 Hongjoon Ahn , Jinu Hyeon , Youngmin Oh , Bosun Hwang , Taesup Moon

We study offline meta-reinforcement learning, a practical reinforcement learning paradigm that learns from offline data to adapt to new tasks. The distribution of offline data is determined jointly by the behavior policy and the task.…

机器学习 · 计算机科学 2022-06-22 Haoqi Yuan , Zongqing Lu

Recent research has shown that the integration of Reinforcement Learning (RL) with Moving Target Defense (MTD) can enhance cybersecurity in Internet-of-Things (IoT) devices. Nevertheless, the practicality of existing work is hindered by…

Dealing with severe class imbalance poses a major challenge for real-world applications, especially when the accurate classification and generalization of minority classes is of primary interest. In computer vision, learning from long…

计算机视觉与模式识别 · 计算机科学 2021-11-22 Zidi Xiu , Junya Chen , Ricardo Henao , Benjamin Goldstein , Lawrence Carin , Chenyang Tao

Intelligent diagnosis method based on data-driven and deep learning is an attractive and meaningful field in recent years. However, in practical application scenarios, the imbalance of time-series fault is an urgent problem to be solved.…

机器学习 · 计算机科学 2021-07-15 Xingtai Gui , Jiyang Zhang

One of the most significant obstacles in bearing fault diagnosis is a lack of labeled data for various fault types. Also, sensor-acquired data frequently lack labels and have a large amount of missing data. This paper tackles these issues…

信号处理 · 电气工程与系统科学 2025-11-04 Mohammadreza Kavianpour , Parisa Kavianpour , Amin Ramezani

Multitask learning is widely used in practice to train a low-resource target task by augmenting it with multiple related source tasks. Yet, naively combining all the source tasks with a target task does not always improve the prediction…

机器学习 · 计算机科学 2023-12-29 Dongyue Li , Huy L. Nguyen , Hongyang R. Zhang

Multi-Task Learning (MTL) is a growing subject of interest in deep learning, due to its ability to train models more efficiently on multiple tasks compared to using a group of conventional single-task models. However, MTL can be impractical…

机器学习 · 计算机科学 2022-11-24 Anish Lakkapragada , Essam Sleiman , Saimourya Surabhi , Dennis P. Wall

With the ever increasing data deluge and the success of deep neural networks, the research of distributed deep learning has become pronounced. Two common approaches to achieve this distributed learning is synchronous and asynchronous weight…

机器学习 · 计算机科学 2022-04-29 Debasrita Chakraborty , Ashish Ghosh

In this paper, we address the problem of automatic repair of software vulnerabilities with deep learning. The major problem with data-driven vulnerability repair is that the few existing datasets of known confirmed vulnerabilities consist…

软件工程 · 计算机科学 2022-02-03 Zimin Chen , Steve Kommrusch , Martin Monperrus

Transfer learning has achieved promising results by leveraging knowledge from the source domain to annotate the target domain which has few or none labels. Existing methods often seek to minimize the distribution divergence between domains,…

机器学习 · 计算机科学 2018-07-03 Jindong Wang , Yiqiang Chen , Shuji Hao , Wenjie Feng , Zhiqi Shen

The integration of renewable energy sources (RES) is rapidly increasing in electric power systems (EPS). While the inclusion of intermittent RES coupled with the wide-scale deployment of communication and sensing devices is important…

系统与控制 · 电气工程与系统科学 2020-11-17 XiaoRui Liu , Juan Ospina , Charalambos Konstantinou

The rapid increase in the use of IoT devices brings many benefits to the digital society, ranging from improved efficiency to higher productivity. However, the limited resources and the open nature of these devices make them vulnerable to…

密码学与安全 · 计算机科学 2021-09-07 Joseph Rose , Matthew Swann , Gueltoum Bendiab , Stavros Shiaeles , Nicholas Kolokotronis