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This paper addresses challenges in robust transfer learning stemming from ambiguity in Bayes classifiers and weak transferable signals between the target and source distribution. We introduce a novel quantity called the ''ambiguity level''…

机器学习 · 统计学 2025-05-06 Jianqing Fan , Cheng Gao , Jason M. Klusowski

Latent space model plays a crucial role in network analysis, and accurate estimation of latent variables is essential for downstream tasks such as link prediction. However, the large number of parameters to be estimated presents a…

统计方法学 · 统计学 2025-09-22 Kuangnan Fang , Ruixuan Qin , Xinyan Fan

The Bidirectional Encoder Representations from Transformers (BERT) model has achieved the state-of-the-art performance for many natural language processing (NLP) tasks. Yet, limited research has been contributed to studying its…

计算与语言 · 计算机科学 2021-09-23 Zimin Wan , Chenchen Xu , Hanna Suominen

We propose the Limited Multi-Label (LML) projection layer as a new primitive operation for end-to-end learning systems. The LML layer provides a probabilistic way of modeling multi-label predictions limited to having exactly k labels. We…

机器学习 · 计算机科学 2019-10-15 Brandon Amos , Vladlen Koltun , J. Zico Kolter

Deep learning has been widely adopted in automatic emotion recognition and has lead to significant progress in the field. However, due to insufficient annotated emotion datasets, pre-trained models are limited in their generalization…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Dung Nguyen , Sridha Sridharan , Duc Thanh Nguyen , Simon Denman , David Dean , Clinton Fookes

A key element in transfer learning is representation learning; if representations can be developed that expose the relevant factors underlying the data, then new tasks and domains can be learned readily based on mappings of these salient…

机器学习 · 计算机科学 2014-12-18 Yujia Li , Kevin Swersky , Richard Zemel

Sleep staging is a crucial task for diagnosing sleep disorders. It is tedious and complex as it can take a trained expert several hours to annotate just one patient's polysomnogram (PSG) from a single night. Although deep learning models…

机器学习 · 计算机科学 2020-01-16 Irfan Al-Hussaini , Cao Xiao , M. Brandon Westover , Jimeng Sun

When the predicted sequence length exceeds the length seen during training, the transformer's inference accuracy diminishes. Existing relative position encoding methods, such as those based on the ALiBi technique, address the length…

机器学习 · 计算机科学 2024-03-27 Weiguo Gao

Machine learning models -- including prominent zero-shot models -- are often trained on datasets whose labels are only a small proportion of a larger label space. Such spaces are commonly equipped with a metric that relates the labels via…

机器学习 · 计算机科学 2023-11-29 Nicholas Roberts , Xintong Li , Dyah Adila , Sonia Cromp , Tzu-Heng Huang , Jitian Zhao , Frederic Sala

The embedding-based representation learning is commonly used in deep learning recommendation models to map the raw sparse features to dense vectors. The traditional embedding manner that assigns a uniform size to all features has two…

机器学习 · 计算机科学 2021-03-12 Siyi Liu , Chen Gao , Yihong Chen , Depeng Jin , Yong Li

In modern machine learning, the trend of harnessing self-supervised learning to derive high-quality representations without label dependency has garnered significant attention. However, the absence of label information, coupled with the…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Yan Cui , Shuhong Liu , Liuzhuozheng Li , Zhiyuan Yuan

Identifying bio-signals based-sleep stages requires time-consuming and tedious labor of skilled clinicians. Deep learning approaches have been introduced in order to challenge the automatic sleep stage classification conundrum. However, the…

Data integration tasks such as the creation and extension of knowledge graphs involve the fusion of heterogeneous entities from many sources. Matching and fusion of such entities require to also match and combine their properties…

数据库 · 计算机科学 2020-10-06 Daniel Ayala , Inma Hernández , David Ruiz , Erhard Rahm

One of the main motivations of studying continual learning is that the problem setting allows a model to accrue knowledge from past tasks to learn new tasks more efficiently. However, recent studies suggest that the key metric that…

机器学习 · 计算机科学 2023-03-16 Jiefeng Chen , Timothy Nguyen , Dilan Gorur , Arslan Chaudhry

Transfer learning is critical for efficient information transfer across multiple related learning problems. A simple, yet effective transfer learning approach utilizes deep neural networks trained on a large-scale task for feature…

声音 · 计算机科学 2021-06-23 Anurag Kumar , Yun Wang , Vamsi Krishna Ithapu , Christian Fuegen

Predicting student performance under varying data distributions is a challenging task. This study proposes a method to improve prediction accuracy by employing transfer learning techniques on the dataset with varying distributions. Using…

计算机与社会 · 计算机科学 2024-07-19 Yan Zhao

Transfer learning has witnessed remarkable progress in recent years, for example, with the introduction of augmentation-based contrastive self-supervised learning methods. While a number of large-scale empirical studies on the transfer…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Andrei Atanov , Shijian Xu , Onur Beker , Andrei Filatov , Amir Zamir

In this paper, we propose a new method called ProfWeight for transferring information from a pre-trained deep neural network that has a high test accuracy to a simpler interpretable model or a very shallow network of low complexity and a…

机器学习 · 计算机科学 2018-11-20 Amit Dhurandhar , Karthikeyan Shanmugam , Ronny Luss , Peder Olsen

Meta-training, which fine-tunes the language model (LM) on various downstream tasks by maximizing the likelihood of the target label given the task instruction and input instance, has improved the zero-shot task generalization performance.…

计算与语言 · 计算机科学 2023-06-07 Seonghyeon Ye , Doyoung Kim , Joel Jang , Joongbo Shin , Minjoon Seo

Transfer learning involves taking information and insight from one problem domain and applying it to a new problem domain. Although widely used in practice, theory for transfer learning remains less well-developed. To address this, we prove…

机器学习 · 统计学 2020-06-24 Jake Williams , Abel Tadesse , Tyler Sam , Huey Sun , George D. Montanez