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Intent discovery is the task of inferring latent intents from a set of unlabeled utterances, and is a useful step towards the efficient creation of new conversational agents. We show that recent competitive methods in intent discovery can…

Computation and Language · Computer Science 2023-06-01 Maarten De Raedt , Fréderic Godin , Thomas Demeester , Chris Develder

End-to-end speech recognition systems usually require huge amounts of labeling resource, while annotating the speech data is complicated and expensive. Active learning is the solution by selecting the most valuable samples for annotation.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-12 Jian Luo , Jianzong Wang , Ning Cheng , Jing Xiao

High-quality arguments are an essential part of decision-making. Automatically predicting the quality of an argument is a complex task that recently got much attention in argument mining. However, the annotation effort for this task is…

Machine Learning · Computer Science 2021-09-24 Nataliia Kees , Michael Fromm , Evgeniy Faerman , Thomas Seidl

Active Learning (AL) and Semi-supervised Learning are two techniques that have been studied to reduce the high cost of deep learning by using a small amount of labeled data and a large amount of unlabeled data. To improve the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Jaeseung Lim , Jongkeun Na , Nojun Kwak

The existing active learning methods select the samples by evaluating the sample's uncertainty or its effect on the diversity of labeled datasets based on different task-specific or model-specific criteria. In this paper, we propose the…

Machine Learning · Computer Science 2021-08-24 Zhuoming Liu , Hao Ding , Huaping Zhong , Weijia Li , Jifeng Dai , Conghui He

In recent years, speech-based self-supervised learning (SSL) has made significant progress in various tasks, including automatic speech recognition (ASR). An ASR model with decent performance can be realized by fine-tuning an SSL model with…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-30 Zhisheng Zheng , Ziyang Ma , Yu Wang , Xie Chen

Active learning enables efficient model training by leveraging interactions between machine learning agents and human annotators. We study and propose a novel framework that formulates batch active learning from the sparse approximation's…

Machine Learning · Computer Science 2022-11-08 Maohao Shen , Bowen Jiang , Jacky Yibo Zhang , Oluwasanmi Koyejo

Supervised classification algorithms are used to solve a growing number of real-life problems around the globe. Their performance is strictly connected with the quality of labels used in training. Unfortunately, acquiring good-quality…

Machine Learning · Computer Science 2024-07-08 Daniel Kałuża , Andrzej Janusz , Dominik Ślęzak

Active Learning (AL) addresses the crucial challenge of enabling machines to efficiently gather labeled examples through strategic queries. Among the many AL strategies, Uncertainty Sampling (US) stands out as one of the most widely…

Machine Learning · Computer Science 2025-06-24 Po-Yi Lu , Yi-Jie Cheng , Chun-Liang Li , Hsuan-Tien Lin

Active learning (AL) aims to select the most useful data samples from an unlabeled data pool and annotate them to expand the labeled dataset under a limited budget. Especially, uncertainty-based methods choose the most uncertain samples,…

Machine Learning · Computer Science 2023-10-02 Seong Min Kye , Kwanghee Choi , Hyeongmin Byun , Buru Chang

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

While deep learning succeeds in a wide range of tasks, it highly depends on the massive collection of annotated data which is expensive and time-consuming. To lower the cost of data annotation, active learning has been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Siyu Huang , Tianyang Wang , Haoyi Xiong , Bihan Wen , Jun Huan , Dejing Dou

In many applications, data is easy to acquire but expensive and time-consuming to label prominent examples include medical imaging and NLP. This disparity has only grown in recent years as our ability to collect data improves. Under these…

Machine Learning · Computer Science 2021-04-07 Jaya Krishna Mandivarapu , Blake Camp , Rolando Estrada

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

We consider an active learning setting where the algorithm has access to a large pool of unlabeled data and a small pool of labeled data. In each iteration, the algorithm chooses few unlabeled data points and obtains their labels from an…

Machine Learning · Computer Science 2019-10-11 Muni Sreenivas Pydi , Vishnu Suresh Lokhande

Active Learning is a very common yet powerful framework for iteratively and adaptively sampling subsets of the unlabeled sets with a human in the loop with the goal of achieving labeling efficiency. Most real world datasets have imbalance…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Suraj Kothawade , Shivang Chopra , Saikat Ghosh , Rishabh Iyer

Remote sensing data is crucial for applications ranging from monitoring forest fires and deforestation to tracking urbanization. Most of these tasks require dense pixel-level annotations for the model to parse visual information from…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Shasvat Desai , Debasmita Ghose

Active learning is a learning strategy whereby the machine learning algorithm actively identifies and labels data points to optimize its learning. This strategy is particularly effective in domains where an abundance of unlabeled data…

Machine Learning · Computer Science 2024-03-05 Zan-Kai Chong , Hiroyuki Ohsaki , Bryan Ng

Uncertainty sampling in active learning is heavily used in practice to reduce the annotation cost. However, there has been no wide consensus on the function to be used for uncertainty estimation in binary classification tasks and…

Machine Learning · Computer Science 2021-11-01 Anant Raj , Francis Bach

Distributed multi-party learning provides an effective approach for training a joint model with scattered data under legal and practical constraints. However, due to the quagmire of a skewed distribution of data labels across participants…

Machine Learning · Computer Science 2021-11-01 Maoguo Gong , Yuan Gao , Yue Wu , A. K. Qin