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Time series forecasting has widespread applications in urban life ranging from air quality monitoring to traffic analysis. However, accurate time series forecasting is challenging because real-world time series suffer from the distribution…

机器学习 · 计算机科学 2022-07-15 Wenying Duan , Xiaoxi He , Lu Zhou , Lothar Thiele , Hong Rao

The stable periodic patterns present in time series data serve as the foundation for conducting long-horizon forecasts. In this paper, we pioneer the exploration of explicitly modeling this periodicity to enhance the performance of models…

机器学习 · 计算机科学 2024-10-16 Shengsheng Lin , Weiwei Lin , Xinyi Hu , Wentai Wu , Ruichao Mo , Haocheng Zhong

Deep Neural Networks have spearheaded remarkable advancements in time series forecasting (TSF), one of the major tasks in time series modeling. Nonetheless, the non-stationarity of time series undermines the reliability of pre-trained…

机器学习 · 计算机科学 2025-01-10 HyunGi Kim , Siwon Kim , Jisoo Mok , Sungroh Yoon

In multivariate time series forecasting, the Transformer architecture encounters two significant challenges: effectively mining features from historical sequences and avoiding overfitting during the learning of temporal dependencies. To…

机器学习 · 计算机科学 2024-04-30 Han Zhou , Yuntian Chen

Forecasting chaotic systems is a cornerstone challenge in many scientific fields, complicated by the exponential amplification of even infinitesimal prediction errors. Modern machine learning approaches often falter due to two opposing…

机器学习 · 计算机科学 2025-10-07 Harshil Vejendla

With the success of pre-trained language models (PLMs) in various application fields beyond natural language processing, language models have raised emerging attention in the field of time series forecasting (TSF) and have shown great…

机器学习 · 计算机科学 2025-09-30 Peng Chen , Yihang Wang , Yang Shu , Yunyao Cheng , Kai Zhao , Zhongwen Rao , Lujia Pan , Bin Yang , Chenjuan Guo

Time Series Foundation Models (TSFMs) have borrowed the long context paradigm from natural language processing under the premise that feeding more history into the model improves forecast quality. But in stochastic domains, distant history…

机器学习 · 计算机科学 2026-05-12 Rishi Ahuja , Kumar Prateek , Simranjit Singh , Vijay Kumar

Convolutional neural networks (CNNs) and transformer architectures offer strengths for modeling temporal data: CNNs excel at capturing local patterns and translational invariances, while transformers effectively model long-range…

机器学习 · 计算机科学 2025-10-09 Stefano F. Stefenon , João P. Matos-Carvalho , Valderi R. Q. Leithardt , Kin-Choong Yow

Temporal distributional shifts, with underlying dynamics changing over time, frequently occur in real-world time series and pose a fundamental challenge for deep neural networks (DNNs). In this paper, we propose a novel deep sequence model…

机器学习 · 计算机科学 2023-03-01 Rui Wang , Yihe Dong , Sercan Ö. Arik , Rose Yu

A reliable and efficient representation of multivariate time series is crucial in various downstream machine learning tasks. In multivariate time series forecasting, each variable depends on its historical values and there are…

机器学习 · 计算机科学 2022-08-22 William T. Ng , K. Siu , Albert C. Cheung , Michael K. Ng

We introduce the Temporal Contrastive Transformer (TCT), a representation learning framework designed to capture contextual temporal dynamics in sequences of financial transactions. The model is trained using a self-supervised contrastive…

机器学习 · 计算机科学 2026-05-22 Danny Butvinik , Yonit Marcus , Nitzan Tal , Gabrielle Azoulay

Accurate household electricity short-term load forecasting (STLF) is key to future and sustainable energy systems. While various studies have analyzed statistical, machine learning, or deep learning approaches for household electricity…

计算工程、金融与科学 · 计算机科学 2026-01-09 Marcel Meyer , David Zapata , Sascha Kaltenpoth , Oliver Müller

Multivariate time series forecasting is a pivotal task in several domains, including financial planning, medical diagnostics, and climate science. This paper presents the Neural Fourier Transform (NFT) algorithm, which combines…

机器学习 · 计算机科学 2024-05-24 Noam Koren , Kira Radinsky

Human trajectory forecasting is important for intelligent multimedia systems operating in visually complex environments, such as autonomous driving and crowd surveillance. Although Conditional Flow Matching (CFM) has shown strong ability in…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Xuepeng Jing , Wenhuan Lu , Hao Meng , Zhizhi Yu , Jianguo Wei

There has been a recent surge of interest in time series modeling using the Transformer architecture. However, forecasting multivariate time series with Transformer presents a unique challenge as it requires modeling both temporal…

机器学习 · 计算机科学 2025-07-04 Yu-Hsiang Lan , Eric K. Oermann

Anomaly detection in multivariate time series is a central challenge in industrial monitoring, as failures frequently arise from complex temporal dynamics and cross-sensor interactions. While recent deep learning models, including graph…

机器学习 · 计算机科学 2026-04-21 Pooyan Khosravinia , João Gama , Bruno Veloso

Time series forecasting predicts future values from past data. In real-world settings, some anomalous events have lasting effects and influence the forecast, while others are short-lived and should be ignored. Standard forecasting models…

机器学习 · 计算机科学 2025-12-15 Joel Ekstrand , Zahra Taghiyarrenani , Slawomir Nowaczyk

The application of transformer-based models on time series forecasting (TSF) tasks has long been popular to study. However, many of these works fail to beat the simple linear residual model, and the theoretical understanding of this issue…

机器学习 · 计算机科学 2025-03-04 Yekun Ke , Yingyu Liang , Zhenmei Shi , Zhao Song , Chiwun Yang

Unsupervised/self-supervised representation learning in time series is critical since labeled samples are usually scarce in real-world scenarios. Existing approaches mainly leverage the contrastive learning framework, which automatically…

机器学习 · 计算机科学 2023-07-10 Wenrui Zhang , Ling Yang , Shijia Geng , Shenda Hong

Accurately predicting smartphone app usage is challenging due to the sparsity and irregularity of user behavior, especially under cold-start and low-activity conditions. Existing approaches mostly rely on static or attention-only…

机器学习 · 计算机科学 2025-09-30 Longlong Li , Cunquan Qu , Guanghui Wang