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Policy gradient reinforcement learning (RL) algorithms have achieved impressive performance in challenging learning tasks such as continuous control, but suffer from high sample complexity. Experience replay is a commonly used approach to…

Machine Learning · Statistics 2020-02-19 Saad Mohamad , Giovanni Montana

Unsupervised domain adaptation has recently emerged as an effective paradigm for generalizing deep neural networks to new target domains. However, there is still enormous potential to be tapped to reach the fully supervised performance. In…

Machine Learning · Computer Science 2022-03-10 Binhui Xie , Longhui Yuan , Shuang Li , Chi Harold Liu , Xinjing Cheng , Guoren Wang

Active learning for sentence understanding aims at discovering informative unlabeled data for annotation and therefore reducing the demand for labeled data. We argue that the typical uncertainty sampling method for active learning is…

Computation and Language · Computer Science 2020-10-29 Dongyu Ru , Jiangtao Feng , Lin Qiu , Hao Zhou , Mingxuan Wang , Weinan Zhang , Yong Yu , Lei Li

We study a generalization of classical active learning to real-world settings with concrete prediction targets where sampling is restricted to an accessible region of the domain, while prediction targets may lie outside this region. We…

Machine Learning · Computer Science 2025-02-11 Jonas Hübotter , Bhavya Sukhija , Lenart Treven , Yarden As , Andreas Krause

Active learning is a subfield of machine learning that is devised for design and modeling of systems with highly expensive sampling costs. Industrial and engineering systems are generally subject to physics constraints that may induce fatal…

Machine Learning · Statistics 2023-04-19 Cheolhei Lee , Xing Wang , Jianguo Wu , Xiaowei Yue

Active learning has been studied extensively as a method for efficient data collection. Among the many approaches in literature, Expected Error Reduction (EER) (Roy and McCallum) has been shown to be an effective method for active learning:…

Machine Learning · Computer Science 2022-11-18 Stephen Mussmann , Julia Reisler , Daniel Tsai , Ehsan Mousavi , Shayne O'Brien , Moises Goldszmidt

Active Domain Adaptation (ADA) adapts models to target domains by selectively labeling a few target samples. Existing ADA methods prioritize uncertain samples but overlook confident ones, which often match ground-truth. We find that…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Bardia Safaei , Vibashan VS , Vishal M. Patel

Active learning enables the efficient construction of a labeled dataset by labeling informative samples from an unlabeled dataset. In a real-world active learning scenario, considering the diversity of the selected samples is crucial…

Machine Learning · Computer Science 2022-07-15 Yeachan Kim , Bonggun Shin

A framework is introduced for actively and adaptively solving a sequence of machine learning problems, which are changing in bounded manner from one time step to the next. An algorithm is developed that actively queries the labels of the…

Machine Learning · Computer Science 2018-05-31 Yuheng Bu , Jiaxun Lu , Venugopal V. Veeravalli

Sampling complex free energy surfaces is one of the main challenges of modern atomistic simulation methods. The presence of kinetic bottlenecks in such surfaces often renders a direct approach useless. A popular strategy is to identify a…

Computational Physics · Physics 2019-09-25 Luigi Bonati , Yue-Yu Zhang , Michele Parrinello

Although deep neural networks have made remarkable achievements in the field of automatic modulation recognition (AMR), these models often require a large amount of labeled data for training. However, in many practical scenarios, the…

Machine Learning · Computer Science 2025-07-17 Yao Lu , Hongyu Gao , Zhuangzhi Chen , Dongwei Xu , Yun Lin , Qi Xuan , Guan Gui

We are often interested in identifying the feasible subset of a decision space under multiple constraints to permit effective design exploration. If determining feasibility required computationally expensive simulations, the cost of…

Machine Learning · Computer Science 2020-06-25 Alma Rahat , Michael Wood

Open-set single-source domain generalization aims to use a single-source domain to learn a robust model that can be generalized to unknown target domains with both domain shifts and label shifts. The scarcity of the source domain and the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Pengkun Jiao , Na Zhao , Jingjing Chen , Yu-Gang Jiang

Traditional methods for solvability region analysis can only have inner approximations with inconclusive conservatism. Machine learning methods have been proposed to approach the real region. In this letter, we propose a deep active…

Machine Learning · Computer Science 2020-12-23 Yichen Zhang , Jianzhe Liu , Feng Qiu , Tianqi Hong , Rui Yao

The demands on visual recognition systems do not end with the complexity offered by current large-scale image datasets, such as ImageNet. In consequence, we need curious and continuously learning algorithms that actively acquire knowledge…

Computer Vision and Pattern Recognition · Computer Science 2016-12-20 Christoph Käding , Erik Rodner , Alexander Freytag , Joachim Denzler

Automated Essay Scoring (AES) is a cross-disciplinary effort involving Education, Linguistics, and Natural Language Processing (NLP). The efficacy of an NLP model in AES tests it ability to evaluate long-term dependencies and extrapolate…

Computation and Language · Computer Science 2021-03-01 Christopher M Ormerod , Akanksha Malhotra , Amir Jafari

Few-shot learning has made impressive strides in addressing the crucial challenges of recognizing unknown samples from novel classes in target query sets and managing visual shifts between domains. However, existing techniques fall short…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Debabrata Pal , Deeptej More , Sai Bhargav , Dipesh Tamboli , Vaneet Aggarwal , Biplab Banerjee

Cross-prompt automated essay scoring (AES) requires the system to use non target-prompt essays to award scores to a target-prompt essay. Since obtaining a large quantity of pre-graded essays to a particular prompt is often difficult and…

Computation and Language · Computer Science 2020-08-05 Robert Ridley , Liang He , Xinyu Dai , Shujian Huang , Jiajun Chen

It is expensive to collect training data for every possible domain that a vision model may encounter when deployed. We instead consider how simply verbalizing the training domain (e.g. "photos of birds") as well as domains we want to extend…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Lisa Dunlap , Clara Mohri , Devin Guillory , Han Zhang , Trevor Darrell , Joseph E. Gonzalez , Aditi Raghunathan , Anja Rohrbach

Reinforcement learning agents naturally learn from extensive exploration. Exploration is costly and can be unsafe in $\textit{safety-critical}$ domains. This paper proposes a novel framework for incorporating domain knowledge to help guide…

Machine Learning · Computer Science 2023-04-25 Fazl Barez , Hosien Hasanbieg , Alesandro Abbate
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