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相关论文: Bridging Distribution Gaps in Time Series Foundati…

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While existing time series foundation models primarily rely on large-scale unimodal pretraining, they lack complementary modalities to enhance time series understanding. Building multimodal foundation models is a natural next step, but it…

机器学习 · 计算机科学 2026-02-06 Peng Chen , Siyuan Wang , Shiyan Hu , Xingjian Wu , Yang Shu , Zhongwen Rao , Meng Wang , Yijie Li , Bin Yang , Chenjuan Guo

Advancements in self-supervised pre-training (SSL) have significantly advanced the field of learning transferable time series representations, which can be very useful in enhancing the downstream task. Despite being effective, most existing…

机器学习 · 计算机科学 2024-11-06 Mingyue Cheng , Xiaoyu Tao , Qi Liu , Hao Zhang , Yiheng Chen , Defu Lian

In this paper, we aim to adapt a model at test-time using a few unlabeled data to address distribution shifts. To tackle the challenges of extracting domain knowledge from a limited amount of data, it is crucial to utilize correlated…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Zhixiang Chi , Li Gu , Tao Zhong , Huan Liu , Yuanhao Yu , Konstantinos N Plataniotis , Yang Wang

Deep neural networks have shown promising results for various clinical prediction tasks. However, training deep networks such as those based on Recurrent Neural Networks (RNNs) requires large labeled data, significant hyper-parameter tuning…

机器学习 · 计算机科学 2021-03-05 Priyanka Gupta , Pankaj Malhotra , Jyoti Narwariya , Lovekesh Vig , Gautam Shroff

Domain generalization is the problem of machine learning when the training data and the test data come from different data domains. We present a simple theoretical model of learning to generalize across domains in which there is a…

机器学习 · 计算机科学 2020-02-14 Vikas K. Garg , Adam Kalai , Katrina Ligett , Zhiwei Steven Wu

Unlike natural language processing and computer vision, the development of Foundation Models (FMs) for time series forecasting is blocked due to data scarcity. While recent efforts are focused on building such FMs by unlocking the potential…

机器学习 · 计算机科学 2024-10-10 Qingxiang Liu , Xu Liu , Chenghao Liu , Qingsong Wen , Yuxuan Liang

The past decade has witnessed significant advances in time series modeling with deep learning. While achieving state-of-the-art results, the best-performing architectures vary highly across applications and domains. Meanwhile, for natural…

机器学习 · 计算机科学 2024-04-03 Defu Cao , Furong Jia , Sercan O Arik , Tomas Pfister , Yixiang Zheng , Wen Ye , Yan Liu

Foundational Models are an emerging widely used technique of GenAI. These models are distinguished by their scalability and the ease with which they can be adapted through the exploitation of Transfer Learning. The availability of high…

机器学习 · 计算机科学 2025-05-13 M. Germán-Morales , A. J. Rivera-Rivas , M. J. del Jesus Díaz , C. J. Carmona

Deep multitask networks, in which one neural network produces multiple predictive outputs, can offer better speed and performance than their single-task counterparts but are challenging to train properly. We present a gradient normalization…

计算机视觉与模式识别 · 计算机科学 2018-07-16 Zhao Chen , Vijay Badrinarayanan , Chen-Yu Lee , Andrew Rabinovich

Following its success for vision and text, the "foundation model" (FM) paradigm -- pretraining large models on massive data, then fine-tuning on target tasks -- has rapidly expanded to domains in the sciences, engineering, healthcare, and…

机器学习 · 计算机科学 2025-03-24 Zongzhe Xu , Ritvik Gupta , Wenduo Cheng , Alexander Shen , Junhong Shen , Ameet Talwalkar , Mikhail Khodak

Deep networks are prone to performance degradation when there is a domain shift between the source (training) data and target (test) data. Recent test-time adaptation methods update batch normalization layers of pre-trained source models…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Wenyu Zhang , Li Shen , Wanyue Zhang , Chuan-Sheng Foo

Diffusion models, a specific type of generative model, have achieved unprecedented performance in recent years and consistently produce high-quality synthetic samples. A critical prerequisite for their notable success lies in the presence…

机器学习 · 计算机科学 2024-11-01 Yidong Ouyang , Liyan Xie , Hongyuan Zha , Guang Cheng

Pretraining plays a pivotal role in acquiring generalized knowledge from large-scale data, achieving remarkable successes as evidenced by large models in CV and NLP. However, progress in the graph domain remains limited due to fundamental…

人工智能 · 计算机科学 2024-06-21 Yu Song , Haitao Mao , Jiachen Xiao , Jingzhe Liu , Zhikai Chen , Wei Jin , Carl Yang , Jiliang Tang , Hui Liu

Inspired by BatchNorm, there has been an explosion of normalization layers in deep learning. Recent works have identified a multitude of beneficial properties in BatchNorm to explain its success. However, given the pursuit of alternative…

机器学习 · 计算机科学 2021-10-27 Ekdeep Singh Lubana , Robert P. Dick , Hidenori Tanaka

Regularization and transfer learning are two popular techniques to enhance generalization on unseen data, which is a fundamental problem of machine learning. Regularization techniques are versatile, as they are task- and…

机器学习 · 计算机科学 2022-02-16 Jeongun Ryu , Jaewoong Shin , Hae Beom Lee , Sung Ju Hwang

Recent advances in unsupervised learning have shown that unsupervised pre-training, followed by fine-tuning, can improve model generalization. However, a rigorous understanding of how the representation function learned on an unlabeled…

机器学习 · 计算机科学 2024-03-12 Yuyang Deng , Junyuan Hong , Jiayu Zhou , Mehrdad Mahdavi

Time series generation is widely used in real-world applications such as simulation, data augmentation, and hypothesis testing. Recently, diffusion models have emerged as the de facto approach to time series generation, enabling diverse…

机器学习 · 计算机科学 2025-12-25 Jinseong Park , Seungyun Lee , Woojin Jeong , Yujin Choi , Jaewook Lee

Graph-structured data pervades domains such as social networks, biological systems, knowledge graphs, and recommender systems. While foundation models have transformed natural language processing, vision, and multimodal learning through…

Time series anomaly detection forms a very crucial area in several domains but poses substantial challenges. Due to time series data possessing seasonality, trends, noise, and evolving patterns (concept drift), it becomes very difficult to…

Log anomaly detection is a key component in the field of artificial intelligence for IT operations (AIOps). Considering log data of variant domains, retraining the whole network for unknown domains is inefficient in real industrial…

机器学习 · 计算机科学 2022-01-19 Hongcheng Guo , Xingyu Lin , Jian Yang , Yi Zhuang , Jiaqi Bai , Tieqiao Zheng , Bo Zhang , Zhoujun Li