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Sentiment analysis is an important task in natural language processing (NLP). Most of existing state-of-the-art methods are under the supervised learning paradigm. However, human annotations can be scarce. Thus, we should leverage more weak…

Computation and Language · Computer Science 2021-04-20 Ziqian Zeng , Yangqiu Song

Automatic fact-checking systems detect misinformation, such as fake news, by (i) selecting check-worthy sentences for fact-checking, (ii) gathering related information to the sentences, and (iii) inferring the factuality of the sentences.…

Information Retrieval · Computer Science 2019-03-21 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

User intent classification is an important task in information retrieval. Previously, user intents were classified manually and automatically; the latter helped to avoid hand labelling of large datasets. Recent studies explored whether LLMs…

Information Retrieval · Computer Science 2025-06-10 Daria Alexander , Arjen P. de Vries

Weakly supervised segmentation requires assigning a label to every pixel based on training instances with partial annotations such as image-level tags, object bounding boxes, labeled points and scribbles. This task is challenging, as coarse…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Tsung-Wei Ke , Jyh-Jing Hwang , Stella X. Yu

Future superhuman models will surpass the ability of humans and humans will only be able to \textit{weakly} supervise superhuman models. To alleviate the issue of lacking high-quality data for model alignment, some works on weak-to-strong…

Computation and Language · Computer Science 2025-11-19 Hao Lang , Fei Huang , Yongbin Li

Contrastive learning has achieved remarkable success in learning effective representations, with supervised contrastive learning often outperforming self-supervised approaches. However, in real-world scenarios, data annotations are often…

Machine Learning · Computer Science 2025-05-29 Zi-Hao Zhou , Jun-Jie Wang , Tong Wei , Min-Ling Zhang

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

In scenarios where training data is limited due to observation costs or data scarcity, enriching the label information associated with each instance becomes crucial for building high-accuracy classification models. In such contexts, it is…

Machine Learning · Computer Science 2025-07-25 Kosuke Sugiyama , Masato Uchida

Data labeling in supervised learning is considered an expensive and infeasible tool in some conditions. The self-supervised learning method is proposed to tackle the learning effectiveness with fewer labeled data, however, there is a lack…

Machine Learning · Computer Science 2021-08-18 Hilal AlQuabeh , Ameera Bawazeer , Abdulateef Alhashmi

Supervised learning usually requires a large amount of labelled data. However, attaining ground-truth labels is costly for many tasks. Alternatively, weakly supervised methods learn with cheap weak signals that only approximately label some…

Machine Learning · Computer Science 2024-11-26 You Lu , Wenzhuo Song , Chidubem Arachie , Bert Huang

This paper contributes a new large-scale dataset for weakly supervised cross-media retrieval, named Twitter100k. Current datasets, such as Wikipedia, NUS Wide and Flickr30k, have two major limitations. First, these datasets are lacking in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-21 Yuting Hu , Liang Zheng , Yi Yang , Yongfeng Huang

Few-shot learning and self-supervised learning address different facets of the same problem: how to train a model with little or no labeled data. Few-shot learning aims for optimization methods and models that can learn efficiently to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Spyros Gidaris , Andrei Bursuc , Nikos Komodakis , Patrick Pérez , Matthieu Cord

Object localization is an important computer vision problem with a variety of applications. The lack of large scale object-level annotations and the relative abundance of image-level labels makes a compelling case for weak supervision in…

Computer Vision and Pattern Recognition · Computer Science 2016-03-30 Archith J. Bency , Heesung Kwon , Hyungtae Lee , S. Karthikeyan , B. S. Manjunath

Learning to rank has recently emerged as an attractive technique to train deep convolutional neural networks for various computer vision tasks. Pairwise ranking, in particular, has been successful in multi-label image classification,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-02 Yuncheng Li , Yale Song , Jiebo Luo

With the development of computational power and techniques for data collection, deep learning demonstrates a superior performance over most existing algorithms on visual benchmark data sets. Many efforts have been devoted to studying the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Yuanhong Xu , Qi Qian , Hao Li , Rong Jin , Juhua Hu

One of the first steps in many text-based social science studies is to retrieve documents that are relevant for the analysis from large corpora of otherwise irrelevant documents. The conventional approach in social science to address this…

Information Retrieval · Computer Science 2022-05-04 Sandra Wankmüller

Estimating perceptual attributes of materials directly from images is a challenging task due to their complex, not fully-understood interactions with external factors, such as geometry and lighting. Supervised deep learning models have…

Node classification in real world graphs often suffers from label scarcity and noise, especially in high stakes domains like human trafficking detection and misinformation monitoring. While direct supervision is limited, such graphs…

Machine Learning · Computer Science 2025-06-04 Pratheeksha Nair , Reihaneh Rabbany

Knowledge discovery is hindered by the increasing volume of publications and the scarcity of extensive annotated data. To tackle the challenge of information overload, it is essential to employ automated methods for knowledge extraction and…

Artificial Intelligence · Computer Science 2025-04-15 Christos Theodoropoulos , Andrei Catalin Coman , James Henderson , Marie-Francine Moens

In this paper, we propose a \textit{weak supervision} framework for neural ranking tasks based on the data programming paradigm \citep{Ratner2016}, which enables us to leverage multiple weak supervision signals from different sources.…

Information Retrieval · Computer Science 2019-06-05 Peng Xu , Xiaofei Ma , Ramesh Nallapati , Bing Xiang
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