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Traditional solar flare forecasting approaches have mostly relied on physics-based or data-driven models using solar magnetograms, treating flare predictions as a point-in-time classification problem. This approach has limitations,…

机器学习 · 计算机科学 2024-09-10 Anli Ji , Chetraj Pandey , Berkay Aydin

Time series forecasting is widely used in the fields of equipment life cycle forecasting, weather forecasting, traffic flow forecasting, and other fields. Recently, some scholars have tried to apply Transformer to time series forecasting…

机器学习 · 计算机科学 2022-02-24 Benhan Li , Shengdong Du , Tianrui Li

Unsupervised anomaly detection of multivariate time series is a challenging task, given the requirements of deriving a compact detection criterion without accessing the anomaly points. The existing methods are mainly based on reconstruction…

机器学习 · 计算机科学 2026-05-26 Qingxiang Liu , Xiaoliang Luo , Chenghao Liu , Sheng Sun , Di Yao , Lvchun Wang , Wei Yu , Yuxuan Liang

We present a case study of solar flare forecasting by means of metadata feature time series, by treating it as a prominent class-imbalance and temporally coherent problem. Taking full advantage of pre-flare time series in solar active…

太阳与恒星天体物理 · 物理学 2021-05-26 Azim Ahmadzadeh , Berkay Aydin , Manolis K. Georgoulis , Dustin J. Kempton , Sushant S. Mahajan , Rafal A. Angryk

Multi-view time series classification (MVTSC) aims to improve the performance by fusing the distinctive temporal information from multiple views. Existing methods mainly focus on fusing multi-view information at an early stage, e.g., by…

机器学习 · 计算机科学 2020-11-24 Yue Bai , Lichen Wang , Zhiqiang Tao , Sheng Li , Yun Fu

Time series forecasting has played a pivotal role across various industries, including finance, transportation, energy, healthcare, and climate. Due to the abundant seasonal information they contain, timestamps possess the potential to…

机器学习 · 计算机科学 2024-11-21 Chengsen Wang , Qi Qi , Jingyu Wang , Haifeng Sun , Zirui Zhuang , Jinming Wu , Jianxin Liao

Dynamic graph learning plays a pivotal role in modeling evolving relationships over time, especially for temporal link prediction tasks in domains such as traffic systems, social networks, and recommendation platforms. While…

机器学习 · 计算机科学 2025-11-18 Tao Zou , Chengfeng Wu , Tianxi Liao , Junchen Ye , Bowen Du

Time series forecasting is crucial for applications across multiple domains and various scenarios. Although Transformer models have dramatically advanced the landscape of forecasting, their effectiveness remains debated. Recent findings…

机器学习 · 计算机科学 2024-12-24 Dongbin Kim , Jinseong Park , Jaewook Lee , Hoki Kim

Global Station Weather Forecasting (GSWF) is a key meteorological research area, critical to energy, aviation, and agriculture. Existing time series forecasting methods often ignore or unidirectionally model spatial correlation when…

机器学习 · 计算机科学 2025-09-26 Hongyi Chen , Xiucheng Li , Xinyang Chen , Yun Cheng , Jing Li , Kehai Chen , Liqiang Nie

This paper introduces FANTF (Fuzzy Attention Network-Based Transformers), a novel approach that integrates fuzzy logic with existing transformer architectures to advance time series forecasting, classification, and anomaly detection tasks.…

机器学习 · 计算机科学 2025-04-02 Sanjay Chakraborty , Fredrik Heintz

Accurate and reliable predictions of solar flares are essential due to their potentially significant impact on Earth and space-based infrastructure. Although deep learning models have shown notable predictive capabilities in this domain,…

机器学习 · 计算机科学 2024-11-28 Temitope Adeyeha , Chetraj Pandey , Berkay Aydin

Many real-world ubiquitous applications, such as parking recommendations and air pollution monitoring, benefit significantly from accurate long-term spatio-temporal forecasting (LSTF). LSTF makes use of long-term dependency between spatial…

机器学习 · 计算机科学 2022-09-02 Wei Shao , Zhiling Jin , Shuo Wang , Yufan Kang , Xiao Xiao , Hamid Menouar , Zhaofeng Zhang , Junshan Zhang , Flora Salim

Solar flares are among the most severe space weather phenomena, and they have the capacity to generate radiation storms and radio disruptions on Earth. The accurate prediction of solar flare events remains a significant challenge, requiring…

太阳与恒星天体物理 · 物理学 2023-10-31 Vysakh P. A. , Prateek Mayank

To accomplish the punctuation restoration task, most existing approaches focused on leveraging extra information (e.g., part-of-speech tags) or addressing the class imbalance problem. Recent works have widely applied the transformer-based…

计算与语言 · 计算机科学 2022-04-12 Yangjun Wu , Kebin Fang , Yao Zhao

Multimodal spiking neural networks (SNNs) hold significant potential for energy-efficient sensory processing but face critical challenges in modality imbalance and temporal misalignment. Current approaches suffer from uncoordinated…

机器学习 · 计算机科学 2025-05-21 Jiangrong Shen , Yulin Xie , Qi Xu , Gang Pan , Huajin Tang , Badong Chen

Multivariate time series forecasting has been widely used in various practical scenarios. Recently, Transformer-based models have shown significant potential in forecasting tasks due to the capture of long-range dependencies. However,…

机器学习 · 计算机科学 2023-02-10 Zhe Li , Zhongwen Rao , Lujia Pan , Zenglin Xu

Long-term time series forecasting (LTSF) is a crucial aspect of modern society, playing a pivotal role in facilitating long-term planning and developing early warning systems. While many Transformer-based models have recently been…

机器学习 · 计算机科学 2023-05-31 Jiaxin Gao , Wenbo Hu , Yuntian Chen

Motion prediction plays an essential role in autonomous driving systems, enabling autonomous vehicles to achieve more accurate local-path planning and driving decisions based on predictions of the surrounding vehicles. However, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Zhanwen Liu , Chao Li , Yang Wang , Nan Yang , Xing Fan , Jiaqi Ma , Xiangmo Zhao

Current post-processing techniques for the correction of atmospheric seeing in solar observations -- such as Speckle interferometry and Phase Diversity methods -- have limitations when it comes to their reconstructive capabilities of solar…

太阳与恒星天体物理 · 物理学 2020-12-09 John A. Armstrong , Lyndsay Fletcher

Time series forecasting presents significant challenges due to the complex temporal dependencies at multiple time scales. This paper introduces ScatterFusion, a novel framework that synergistically integrates scattering transforms with…

机器学习 · 计算机科学 2026-01-29 Wei Li