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Related papers: Active Learning by Acquiring Contrastive Examples

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Active learning (AL) repeatedly trains the classifier with the minimum labeling budget to improve the current classification model. The training process is usually supervised by an uncertainty evaluation strategy. However, the uncertainty…

Machine Learning · Computer Science 2020-09-29 Xiaofeng Cao

Active Learning (AL) has garnered significant interest across various application domains where labeling training data is costly. AL provides a framework that helps practitioners query informative samples for annotation by oracles…

Machine Learning · Computer Science 2025-12-16 Pouya Ahadi , Blair Winograd , Camille Zaug , Karunesh Arora , Lijun Wang , Kamran Paynabar

Despite the vast body of literature on Active Learning (AL), there is no comprehensive and open benchmark allowing for efficient and simple comparison of proposed samplers. Additionally, the variability in experimental settings across the…

Machine Learning · Computer Science 2023-04-12 W. Jonas , A. Abraham , L. Dreyfus-Schmidt

We consider active learning for binary classification in the agnostic pool-based setting. The vast majority of works in active learning in the agnostic setting are inspired by the CAL algorithm where each query is uniformly sampled from the…

Machine Learning · Computer Science 2021-05-17 Julian Katz-Samuels , Jifan Zhang , Lalit Jain , Kevin Jamieson

Many active learning and search approaches are intractable for large-scale industrial settings with billions of unlabeled examples. Existing approaches search globally for the optimal examples to label, scaling linearly or even…

Convolutional neural networks (CNNs) have been successfully applied to many recognition and learning tasks using a universal recipe; training a deep model on a very large dataset of supervised examples. However, this approach is rather…

Machine Learning · Statistics 2018-06-04 Ozan Sener , Silvio Savarese

The costly human effort required to prepare the training data of machine learning (ML) models hinders their practical development and usage in software engineering (ML4Code), especially for those with limited budgets. Therefore, efficiently…

Software Engineering · Computer Science 2023-06-05 Qiang Hu , Yuejun Guo , Xiaofei Xie , Maxime Cordy , Lei Ma , Mike Papadakis , Yves Le Traon

In this paper, we suggest a novel data-driven approach to active learning (AL). The key idea is to train a regressor that predicts the expected error reduction for a candidate sample in a particular learning state. By formulating the query…

Machine Learning · Computer Science 2017-07-17 Ksenia Konyushkova , Raphael Sznitman , Pascal Fua

Conventional active learning (AL) frameworks aim to reduce the cost of data annotation by actively requesting the labeling for the most informative data points. However, introducing AL to data hungry deep learning algorithms has been a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Salman Mohamadi , Gianfranco Doretto , Donald A. Adjeroh

The great success that deep models have achieved in the past is mainly owed to large amounts of labeled training data. However, the acquisition of labeled data for new tasks aside from existing benchmarks is both challenging and costly.…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Federated active learning (FAL) seeks to reduce annotation cost under privacy constraints, yet its effectiveness degrades in realistic settings with severe global class imbalance and highly heterogeneous clients. We conduct a systematic…

Machine Learning · Computer Science 2026-03-12 Chen-Chen Zong , Sheng-Jun Huang

A human's attention can intuitively adapt to corrupted areas of an image by recalling a similar uncorrupted image they have previously seen. This observation motivates us to improve the attention of adversarial images by considering their…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Runqi Wang , Xiaoyue Duan , Baochang Zhang , Song Xue , Wentao Zhu , David Doermann , Guodong Guo

In recent years, active learning has been successfully applied to an array of NLP tasks. However, prior work often assumes that training and test data are drawn from the same distribution. This is problematic, as in real-life settings data…

Computation and Language · Computer Science 2023-02-15 Ard Snijders , Douwe Kiela , Katerina Margatina

Contrastive learning constitutes an emerging branch of self-supervised learning that leverages large amounts of unlabeled data, by learning a latent space, where pairs of different views of the same sample are associated. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-12 Christos Garoufis , Athanasia Zlatintsi , Petros Maragos

Multi-task learning, in which several tasks are jointly learned by a single model, allows NLP models to share information from multiple annotations and may facilitate better predictions when the tasks are inter-related. This technique,…

Computation and Language · Computer Science 2022-10-31 Guy Rotman , Roi Reichart

In recommendation systems, items are likely to be exposed to various users and we would like to learn about the familiarity of a new user with an existing item. This can be formulated as an anomaly detection (AD) problem distinguishing…

Machine Learning · Computer Science 2022-09-22 Ke Bai , Aonan Zhang , Zhizhong Li , Ricardo Heano , Chong Wang , Lawrence Carin

Recent studies in active learning, particularly in uncertainty sampling, have focused on the decomposition of model uncertainty into reducible and irreducible uncertainties. In this paper, the aim is to simplify the computational process…

Machine Learning · Computer Science 2024-05-28 Arthur Hoarau , Vincent Lemaire , Arnaud Martin , Jean-Christophe Dubois , Yolande Le Gall

Active learning is a valuable tool for efficiently exploring complex spaces, finding a variety of uses in materials science. However, the determination of convex hulls for phase diagrams does not neatly fit into traditional active learning…

Materials Science · Physics 2024-02-27 Andrew Novick , Diana Cai , Quan Nguyen , Roman Garnett , Ryan Adams , Eric Toberer

Training a spoofing countermeasure (CM) that generalizes to various unseen data is desired but challenging. While methods such as data augmentation and self-supervised learning are applicable, the imperfect CM performance on diverse test…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-10 Xin Wang , Junich Yamagishi

How can you sample good negative examples for contrastive learning? We argue that, as with metric learning, contrastive learning of representations benefits from hard negative samples (i.e., points that are difficult to distinguish from an…

Machine Learning · Computer Science 2021-01-26 Joshua Robinson , Ching-Yao Chuang , Suvrit Sra , Stefanie Jegelka