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Counterfactual Data Augmentation (CDA) is a commonly used technique for improving robustness in natural language classifiers. However, one fundamental challenge is how to discover meaningful counterfactuals and efficiently label them, with…

计算与语言 · 计算机科学 2023-05-24 Ananth Balashankar , Xuezhi Wang , Yao Qin , Ben Packer , Nithum Thain , Jilin Chen , Ed H. Chi , Alex Beutel

Samples with ground truth labels may not always be available in numerous domains. While learning from crowdsourcing labels has been explored, existing models can still fail in the presence of sparse, unreliable, or diverging annotations.…

机器学习 · 计算机科学 2021-12-07 Mani Sotoodeh , Li Xiong , Joyce C. Ho

Recent synthetic speech detectors leveraging the Transformer model have superior performance compared to the convolutional neural network counterparts. This improvement could be due to the powerful modeling ability of the multi-head…

声音 · 计算机科学 2024-09-10 Duc-Tuan Truong , Ruijie Tao , Tuan Nguyen , Hieu-Thi Luong , Kong Aik Lee , Eng Siong Chng

The growing demand for on-device large language model (LLM) inference highlights the need for efficient mobile edge computing (MEC) solutions, especially in resource-constrained settings. Speculative decoding offers a promising solution by…

机器学习 · 计算机科学 2025-12-01 Jungyeon Koh , Hyun Jong Yang

Weakly-supervised learning is a paradigm for alleviating the scarcity of labeled data by leveraging lower-quality but larger-scale supervision signals. While existing work mainly focuses on utilizing a certain type of weak supervision, we…

机器学习 · 统计学 2019-10-11 Yivan Zhang , Nontawat Charoenphakdee , Masashi Sugiyama

Study Objective: Machine learning models have advanced medical image processing and can yield faster, more accurate diagnoses. Despite a wealth of available medical imaging data, high-quality labeled data for model training is lacking. We…

Deep learning-based models are utilized to achieve state-of-the-art performance for recommendation systems. A key challenge for these models is to work with millions of categorical classes or tokens. The standard approach is to learn…

信息检索 · 计算机科学 2021-03-11 Aditya Desai , Yanzhou Pan , Kuangyuan Sun , Li Chou , Anshumali Shrivastava

Continual learning aims to improve the ability of modern learning systems to deal with non-stationary distributions, typically by attempting to learn a series of tasks sequentially. Prior art in the field has largely considered supervised…

机器学习 · 计算机科学 2019-11-01 Dushyant Rao , Francesco Visin , Andrei A. Rusu , Yee Whye Teh , Razvan Pascanu , Raia Hadsell

Temporal expression (TE) normalization is a well-studied problem. However, the predominately used rule-based systems are highly restricted to specific settings, and upcoming machine learning approaches suffer from a lack of labeled data. In…

计算与语言 · 计算机科学 2024-04-12 Akash Kumar Gautam , Lukas Lange , Jannik Strötgen

Annotating large datasets can be challenging. However, crowd-sourcing is often expensive and can lack quality, especially for non-trivial tasks. We propose a method of using LLMs as few-shot learners for annotating data in a complex natural…

We propose a new method for learning word representations using hierarchical regularization in sparse coding inspired by the linguistic study of word meanings. We show an efficient learning algorithm based on stochastic proximal methods…

计算与语言 · 计算机科学 2014-11-07 Dani Yogatama , Manaal Faruqui , Chris Dyer , Noah A. Smith

We describe the problem of aggregating the label predictions of diverse classifiers using a class taxonomy. Such a taxonomy may not have been available or referenced when the individual classifiers were designed and trained, yet mapping the…

人工智能 · 计算机科学 2015-12-02 Amrita Saha , Sathish Indurthi , Shantanu Godbole , Subendhu Rongali , Vikas C. Raykar

The data deluge comes with high demands for data labeling. Crowdsourcing (or, more generally, ensemble learning) techniques aim to produce accurate labels via integrating noisy, non-expert labeling from annotators. The classic Dawid-Skene…

机器学习 · 计算机科学 2019-09-30 Shahana Ibrahim , Xiao Fu , Nikos Kargas , Kejun Huang

Training deep learning networks with minimal supervision has gained significant research attention due to its potential to reduce reliance on extensive labelled data. While self-training methods have proven effective in semi-supervised…

计算与语言 · 计算机科学 2025-06-13 Ali Almutairi , Abdullah Alsuhaibani , Shoaib Jameel , Usman Naseem , Gelareh Mohammadi , Imran Razzak

Large language models for subjectivity analysis are typically trained with aggregated labels, which compress variations in human judgment into a single supervision signal. This paradigm overlooks the intrinsic uncertainty of low-agreement…

计算与语言 · 计算机科学 2026-05-14 Junyu Lu , Deyi Ji , Xuanyi Liu , Lanyun Zhu , Bo Xu , Liang Yang , Xian-Sheng Hua , Hongfei Lin

Modern machine learning algorithms need large datasets to be trained. Crowdsourcing has become a popular approach to label large datasets in a shorter time as well as at a lower cost comparing to that needed for a limited number of experts.…

Semi-supervised domain adaptation (SSDA) adapts a learner to a new domain by effectively utilizing source domain data and a few labeled target samples. It is a practical yet under-investigated research topic. In this paper, we analyze the…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Wenqiao Zhang , Changshuo Liu , Can Cui , Beng Chin Ooi

Deep representation learning is a subfield of machine learning that focuses on learning meaningful and useful representations of data through deep neural networks. However, existing methods for semantic classification typically employ…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Kangjun Liu , Ke Chen , Kui Jia , Yaowei Wang

Temporal action proposals are a common module in action detection pipelines today. Most current methods for training action proposal modules rely on fully supervised approaches that require large amounts of annotated temporal action…

计算机视觉与模式识别 · 计算机科学 2019-10-04 Jingwei Ji , Kaidi Cao , Juan Carlos Niebles

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu