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Owing to the prohibitive costs of generating large amounts of labeled data, programmatic weak supervision is a growing paradigm within machine learning. In this setting, users design heuristics that provide noisy labels for subsets of the…

Machine Learning · Computer Science 2023-10-06 Dylan Sam , J. Zico Kolter

Weakly supervised learning aims at coping with scarce labeled data. Previous weakly supervised studies typically assume that there is only one kind of weak supervision in data. In many applications, however, raw data usually contains more…

Machine Learning · Computer Science 2020-01-27 Lan-Zhe Guo , Feng Kuang , Zhang-Xun Liu , Yu-Feng Li , Nan Ma , Xiao-Hu Qie

A cost-effective alternative to manual data labeling is weak supervision (WS), where data samples are automatically annotated using a predefined set of labeling functions (LFs), rule-based mechanisms that generate artificial labels for the…

Machine Learning · Computer Science 2024-01-05 Anastasiia Sedova , Benjamin Roth

Weak supervision has shown promising results in many natural language processing tasks, such as Named Entity Recognition (NER). Existing work mainly focuses on learning deep NER models only with weak supervision, i.e., without any human…

Computation and Language · Computer Science 2021-08-03 Haoming Jiang , Danqing Zhang , Tianyu Cao , Bing Yin , Tuo Zhao

Training convolutional networks for semantic segmentation with strong (per-pixel) and weak (per-bounding-box) supervision requires a large amount of weakly labeled data. We propose two methods for selecting the most relevant data with weak…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Panagiotis Meletis , Rob Romijnders , Gijs Dubbelman

This paper describes a method of domain adaptive training for semantic segmentation using multiple source datasets that are not necessarily relevant to the target dataset. We propose a soft pseudo-label generation method by integrating…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura

Frame-level micro- and macro-expression spotting methods require time-consuming frame-by-frame observation during annotation. Meanwhile, video-level spotting lacks sufficient information about the location and number of expressions during…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Wang-Wang Yu , Xian-Shi Zhang , Fu-Ya Luo , Yijun Cao , Kai-Fu Yang , Hong-Mei Yan , Yong-Jie Li

One challenge with neural ranking is the need for a large amount of manually-labeled relevance judgments for training. In contrast with prior work, we examine the use of weak supervision sources for training that yield pseudo query-document…

Information Retrieval · Computer Science 2019-07-08 Sean MacAvaney , Andrew Yates , Kai Hui , Ophir Frieder

Negative sampling schemes enable efficient training given a large number of classes, by offering a means to approximate a computationally expensive loss function that takes all labels into account. In this paper, we present a new connection…

While the performance of machine learning systems has experienced significant improvement in recent years, relatively little attention has been paid to the fundamental question: to what extent can we improve our models? This paper provides…

Machine Learning · Computer Science 2026-05-13 Ryota Ushio , Takashi Ishida , Masashi Sugiyama

We study generalization properties of weakly supervised learning. That is, learning where only a few "strong" labels (the actual target of our prediction) are present but many more "weak" labels are available. In particular, we show that…

Machine Learning · Computer Science 2020-02-21 Joshua Robinson , Stefanie Jegelka , Suvrit Sra

Many promising applications of supervised machine learning face hurdles in the acquisition of labeled data in sufficient quantity and quality, creating an expensive bottleneck. To overcome such limitations, techniques that do not depend on…

Machine Learning · Computer Science 2023-03-14 Benedikt Boecking , Nicholas Roberts , Willie Neiswanger , Stefano Ermon , Frederic Sala , Artur Dubrawski

Weakly-supervised text classification aims to induce text classifiers from only a few user-provided seed words. The vast majority of previous work assumes high-quality seed words are given. However, the expert-annotated seed words are…

Computation and Language · Computer Science 2021-04-21 Yiping Jin , Akshay Bhatia , Dittaya Wanvarie

The accurate labeling of datasets is often both costly and time-consuming. Given an unlabeled dataset, programmatic weak supervision obtains probabilistic predictions for the labels by leveraging multiple weak labeling functions (LFs) that…

Machine Learning · Statistics 2025-08-07 Verónica Álvarez , Santiago Mazuelas , Steven An , Sanjoy Dasgupta

Computer-aided pathology diagnosis based on the classification of Whole Slide Image (WSI) plays an important role in clinical practice, and it is often formulated as a weakly-supervised Multiple Instance Learning (MIL) problem. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Linhao Qu , Xiaoyuan Luo , Manning Wang , Zhijian Song

This work addresses the task of completely weakly supervised class-incremental learning for semantic segmentation to learn segmentation for both base and additional novel classes using only image-level labels. While class-incremental…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 David Minkwan Kim , Soeun Lee , Byeongkeun Kang

Determining the best method for training a machine learning algorithm is critical to maximizing its ability to classify data. In this paper, we compare the standard "fully supervised" approach (that relies on knowledge of event-by-event…

High Energy Physics - Phenomenology · Physics 2018-03-29 Timothy Cohen , Marat Freytsis , Bryan Ostdiek

In many real-world datasets, like WebVision, the performance of DNN based classifier is often limited by the noisy labeled data. To tackle this problem, some image related side information, such as captions and tags, often reveal underlying…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Lele Cheng , Xiangzeng Zhou , Liming Zhao , Dangwei Li , Hong Shang , Yun Zheng , Pan Pan , Yinghui Xu

Binary classification (BC) is a practical task that is ubiquitous in real-world problems, such as distinguishing healthy and unhealthy objects in biomedical diagnostics and defective and non-defective products in manufacturing inspections.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Imam Mustafa Kamal , Hyerim Bae

We propose a new strategy for applying large pre-trained language models to novel tasks when labeled training data is limited. Rather than apply the model in a typical zero-shot or few-shot fashion, we treat the model as the basis for…

Machine Learning · Computer Science 2022-05-06 Ryan Smith , Jason A. Fries , Braden Hancock , Stephen H. Bach