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Machine learning (ML) has been leveraged to tackle a diverse range of tasks in almost all branches of nuclear engineering. Many of the successes in ML applications can be attributed to the recent performance breakthroughs in deep learning,…

系统与控制 · 电气工程与系统科学 2025-03-25 Xu Wu , Lesego E. Moloko , Pavel M. Bokov , Gregory K. Delipei , Joshua Kaizer , Kostadin N. Ivanov

Existing similarity-based weakly supervised learning approaches often rely on precise similarity annotations between data pairs, which may inadvertently expose sensitive label information and raise privacy risks. To mitigate this issue, we…

机器学习 · 计算机科学 2025-09-16 Meng Wei , Zhongnian Li , Peng Ying , Xinzheng Xu

Linking a claim to grounded references is a critical ability to fulfill human demands for authentic and reliable information. Current studies are limited to specific tasks like information retrieval or semantic matching, where the…

计算与语言 · 计算机科学 2024-04-26 Zhuoqun Li , Hongyu Lin , Tianshu Wang , Boxi Cao , Yaojie Lu , Weixiang Zhou , Hao Wang , Zhenyu Zeng , Le Sun , Xianpei Han

Unsupervised representation learning (URL), which learns compact embeddings of high-dimensional data without supervision, has made remarkable progress recently. However, the development of URLs for different requirements is independent,…

机器学习 · 计算机科学 2024-04-18 Siyuan Li , Zicheng Liu , Zelin Zang , Di Wu , Zhiyuan Chen , Stan Z. Li

A representation is supposed universal if it encodes any element of the visual world (e.g., objects, scenes) in any configuration (e.g., scale, context). While not expecting pure universal representations, the goal in the literature is to…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Youssef Tamaazousti , Hervé Le Borgne , Céline Hudelot , Mohamed El Amine Seddik , Mohamed Tamaazousti

Network representation learning (NRL) technique has been successfully adopted in various data mining and machine learning applications. Random walk based NRL is one popular paradigm, which uses a set of random walks to capture the network…

机器学习 · 计算机科学 2021-01-12 Xingyu Yao , Yingxia Shao , Bin Cui , Lei Chen

Self-supervised learning models extract general-purpose representations from data. Quantifying the reliability of these representations is crucial, as many downstream models rely on them as input for their own tasks. To this end, we…

机器学习 · 计算机科学 2024-05-21 Young-Jin Park , Hao Wang , Shervin Ardeshir , Navid Azizan

Relational tables on the Web store a vast amount of knowledge. Owing to the wealth of such tables, there has been tremendous progress on a variety of tasks in the area of table understanding. However, existing work generally relies on…

信息检索 · 计算机科学 2020-12-04 Xiang Deng , Huan Sun , Alyssa Lees , You Wu , Cong Yu

Classification and segmentation are crucial in medical image analysis as they enable accurate diagnosis and disease monitoring. However, current methods often prioritize the mutual learning features and shared model parameters, while…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Kai Ren , Ke Zou , Xianjie Liu , Yidi Chen , Xuedong Yuan , Xiaojing Shen , Meng Wang , Huazhu Fu

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

Uncertainty quantification (UQ) in deep learning regression is of wide interest, as it supports critical applications including sequential decision making and risk-sensitive tasks. In heteroskedastic regression, where the uncertainty of the…

Uncertainty quantification (UQ) is an important component of molecular property prediction, particularly for drug discovery applications where model predictions direct experimental design and where unanticipated imprecision wastes valuable…

机器学习 · 计算机科学 2020-05-21 Lior Hirschfeld , Kyle Swanson , Kevin Yang , Regina Barzilay , Connor W. Coley

Contrastive unsupervised representation learning (CURL) is the state-of-the-art technique to learn representations (as a set of features) from unlabelled data. While CURL has collected several empirical successes recently, theoretical…

机器学习 · 计算机科学 2020-07-20 Kento Nozawa , Pascal Germain , Benjamin Guedj

Learning robust representations that allow to reliably establish relations between images is of paramount importance for virtually all of computer vision. Annotating the quadratic number of pairwise relations between training images is…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Timo Milbich , Omair Ghori , Ferran Diego , Björn Ommer

Unsupervised pre-training has shown great success in skeleton-based action understanding recently. Existing works typically train separate modality-specific models, then integrate the multi-modal information for action understanding by a…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Shengkai Sun , Daizong Liu , Jianfeng Dong , Xiaoye Qu , Junyu Gao , Xun Yang , Xun Wang , Meng Wang

Malicious URLs host unsolicited content and are used to perpetrate cybercrimes. It is imperative to detect them in a timely manner. Traditionally, this is done through the usage of blacklists, which cannot be exhaustive, and cannot detect…

密码学与安全 · 计算机科学 2018-03-05 Hung Le , Quang Pham , Doyen Sahoo , Steven C. H. Hoi

Reliable Large Language Models (LLMs) should abstain when confidence is insufficient. However, prior studies often treat refusal as a generic "I don't know'', failing to distinguish input-level ambiguity (data uncertainty) from capability…

计算与语言 · 计算机科学 2026-04-21 Jingyi Ren , Ante Wang , Yunghwei Lai , Xiaolong Wang , Linlu Gong , Weitao Li , Weizhi Ma , Yang Liu

Few-shot classification aims to recognize unseen classes when presented with only a small number of samples. We consider the problem of multi-domain few-shot image classification, where unseen classes and examples come from diverse data…

机器学习 · 计算机科学 2020-09-04 Lu Liu , William Hamilton , Guodong Long , Jing Jiang , Hugo Larochelle

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

If Uncertainty Quantification (UQ) is crucial to achieve trustworthy Machine Learning (ML), most UQ methods suffer from disparate and inconsistent evaluation protocols. We claim this inconsistency results from the unclear requirements the…

机器学习 · 计算机科学 2022-07-28 Victor Bouvier , Simona Maggio , Alexandre Abraham , Léo Dreyfus-Schmidt