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Consider a sequential active learning problem where, at each round, an agent selects a batch of unlabeled data points, queries their labels and updates a binary classifier. While there exists a rich body of work on active learning in this…

机器学习 · 计算机科学 2020-05-26 Abbas Kazerouni , Qi Zhao , Jing Xie , Sandeep Tata , Marc Najork

Constraint Programming (CP) has been successfully used to model and solve complex combinatorial problems. However, modeling is often not trivial and requires expertise, which is a bottleneck to wider adoption. In Constraint Acquisition…

人工智能 · 计算机科学 2023-12-19 Dimos Tsouros , Senne Berden , Tias Guns

Gathering training data is a key step of any supervised learning task, and it is both critical and expensive. Critical, because the quantity and quality of the training data has a high impact on the performance of the learned function.…

数据结构与算法 · 计算机科学 2021-10-28 Quentin Lutz , Élie de Panafieu , Alex Scott , Maya Stein

Active learning strives to reduce the need for costly data annotation, by repeatedly querying an annotator to label the most informative samples from a pool of unlabeled data, and then training a model from these samples. We identify two…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Jiarong Wei , Yancong Lin , Holger Caesar

Active learning is a promising paradigm to reduce the labeling cost by strategically requesting labels to improve model performance. However, existing active learning methods often rely on expensive acquisition function to compute,…

机器学习 · 计算机科学 2023-10-27 Zixin Ding , Si Chen , Ruoxi Jia , Yuxin Chen

Localizing keypoints of an object is a basic visual problem. However, supervised learning of a keypoint localization network often requires a large amount of data, which is expensive and time-consuming to obtain. To remedy this, there is an…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Can Wang , Sheng Jin , Yingda Guan , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang

In practical scenarios, the effectiveness of sequential recommendation systems is hindered by the user cold-start problem, which arises due to limited interactions for accurately determining user preferences. Previous studies have attempted…

A major problem with Active Learning (AL) is high training costs since models are typically retrained from scratch after every query round. We start by demonstrating that standard AL on neural networks with warm starting fails, both to…

机器学习 · 计算机科学 2023-12-14 Arnav Das , Gantavya Bhatt , Megh Bhalerao , Vianne Gao , Rui Yang , Jeff Bilmes

In the era of data-driven intelligence, the paradox of data abundance and annotation scarcity has emerged as a critical bottleneck in the advancement of machine learning. This paper gives a detailed overview of Active Learning (AL), which…

机器学习 · 计算机科学 2025-11-27 Chiung-Yi Tseng , Junhao Song , Ziqian Bi , Tianyang Wang , Chia Xin Liang , Xinyuan Song , Ming Liu

Large amounts of labeled training data are one of the main contributors to the great success that deep models have achieved in the past. Label acquisition for tasks other than benchmarks can pose a challenge due to requirements of both…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

While training models and labeling data are resource-intensive, a wealth of pre-trained models and unlabeled data exists. To effectively utilize these resources, we present an approach to actively select pre-trained models while minimizing…

机器学习 · 计算机科学 2025-02-11 Xuefeng Liu , Fangfang Xia , Rick L. Stevens , Yuxin Chen

Active learners alleviate the burden of labeling large amounts of data by detecting and asking the user to label only the most informative examples in the domain. We focus here on active learning for multi-view domains, in which there are…

机器学习 · 计算机科学 2011-10-06 C. A. Knoblock , S. Minton , I. Muslea

The initial interaction of a user with a recommender system is problematic because, in such a so-called cold start situation, the recommender system has very little information about the user, if any. Moreover, in collaborative filtering,…

信息检索 · 计算机科学 2023-10-17 Noa Tuval , Alain Hertz , Tsvi Kuflik

Recommendation systems have become ubiquitous in today's online world and are an integral part of practically every e-commerce platform. While traditional recommender systems use customer history, this approach is not feasible in 'cold…

机器学习 · 计算机科学 2019-05-14 Michael Shekasta , Gilad Katz , Asnat Greenstein-Messica , Lior Rokach , Bracha Shapira

The use of user/product information in sentiment analysis is important, especially for cold-start users/products, whose number of reviews are very limited. However, current models do not deal with the cold-start problem which is typical in…

计算与语言 · 计算机科学 2018-06-15 Reinald Kim Amplayo , Jihyeok Kim , Sua Sung , Seung-won Hwang

Deep Neural Networks trained in a fully supervised fashion are the dominant technology in perception-based autonomous driving systems. While collecting large amounts of unlabeled data is already a major undertaking, only a subset of it can…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Elmar Haussmann , Michele Fenzi , Kashyap Chitta , Jan Ivanecky , Hanson Xu , Donna Roy , Akshita Mittel , Nicolas Koumchatzky , Clement Farabet , Jose M. Alvarez

Continual learning strives to ensure stability in solving previously seen tasks while demonstrating plasticity in a novel domain. Recent advances in continual learning are mostly confined to a supervised learning setting, especially in NLP…

机器学习 · 计算机科学 2024-06-03 Stella Ho , Ming Liu , Shang Gao , Longxiang Gao

In standard passive imitation learning, the goal is to learn a target policy by passively observing full execution trajectories of it. Unfortunately, generating such trajectories can require substantial expert effort and be impractical in…

机器学习 · 计算机科学 2012-10-19 Kshitij Judah , Alan Fern , Thomas G. Dietterich

Cold-start active learning (CSAL) selects valuable instances from an unlabeled dataset for manual annotation. It provides high-quality data at a low annotation cost for label-scarce text classification. However, existing CSAL methods…

计算与语言 · 计算机科学 2025-02-04 Jiaxin Guo , C. L. Philip Chen , Shuzhen Li , Tong Zhang

We study active preference learning as a framework for intuitively specifying the behaviour of autonomous robots. In active preference learning, a user chooses the preferred behaviour from a set of alternatives, from which the robot learns…

机器人学 · 计算机科学 2020-09-30 Nils Wilde , Dana Kulic , Stephen L. Smith