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Transformers are the de-facto choice for sequence modelling, yet their quadratic self-attention and weak temporal bias can make long-range forecasting both expensive and brittle. We introduce FreezeTST, a lightweight hybrid that interleaves…

机器学习 · 计算机科学 2025-10-21 Pradeep Singh , Mehak Sharma , Anupriya Dey , Balasubramanian Raman

This work explores a dynamics-informed Temporal Fusion Transformer (TFT) as a data-driven surrogate for computationally intensive Earth system simulations. Focusing on multivariate time series describing global ocean transport, we…

机器学习 · 计算机科学 2026-05-21 Adeline Hillier , Jennifer Sleeman , Jay Brett , Caroline Tang , Jenelle Millison , Anand Gnanadesikan

Time series forecasting is essential across domains from finance to supply chain management. This paper introduces ForecastGAN, a novel decomposition based adversarial framework addressing limitations in existing approaches for…

机器学习 · 计算机科学 2025-11-07 Syeda Sitara Wishal Fatima , Afshin Rahimi

The performance of time series forecasting has recently been greatly improved by the introduction of transformers. In this paper, we propose a general multi-scale framework that can be applied to the state-of-the-art transformer-based time…

机器学习 · 计算机科学 2023-02-08 Amin Shabani , Amir Abdi , Lili Meng , Tristan Sylvain

Large pre-trained models have demonstrated remarkable capabilities across domains, but their effectiveness in time series forecasting remains understudied. This work empirically examines whether pre-trained large-scale time series models…

机器学习 · 计算机科学 2025-07-08 Sanjay Chakraborty , Ibrahim Delibasoglu , Fredrik Heintz

In contemporary data-driven environments, the generation and processing of multivariate time series data is an omnipresent challenge, often complicated by time delays between different time series. These delays, originating from a multitude…

机器学习 · 计算机科学 2024-08-26 Jiajie Wang , Zhiyuan Jerry Lin , Wen Chen

Existing works on general time series forecasting build foundation models with heavy model parameters through large-scale multi-source pre-training. These models achieve superior generalization ability across various datasets at the cost of…

机器学习 · 计算机科学 2025-06-09 Yihang Wang , Yuying Qiu , Peng Chen , Yang Shu , Zhongwen Rao , Lujia Pan , Bin Yang , Chenjuan Guo

Accurate long-term predictions are the foundations for many machine learning applications and decision-making processes. Traditional time series approaches for prediction often focus on either autoregressive modeling, which relies solely on…

机器学习 · 计算机科学 2025-04-22 Kshitij Tayal , Arvind Renganathan , Xiaowei Jia , Vipin Kumar , Dan Lu

The rigid, uniform allocation of computation in standard Transformer (TF) architectures can limit their efficiency and scalability, particularly for large-scale models and long sequences. Addressing this, we introduce Subjective Depth…

机器学习 · 计算机科学 2025-11-27 Frederico Wieser , Martin Benfeghoul , Haitham Bou Ammar , Jun Wang , Zafeirios Fountas

The increasing frequency of extreme weather events due to global climate change urges accurate weather prediction. Recently, great advances have been made by the \textbf{end-to-end methods}, thanks to deep learning techniques, but they face…

机器学习 · 计算机科学 2025-07-24 Shaohan Li , Hao Yang , Min Chen , Xiaolin Qin

Deep learning utilizing transformers has recently achieved a lot of success in many vital areas such as natural language processing, computer vision, anomaly detection, and recommendation systems, among many others. Among several merits of…

机器学习 · 计算机科学 2023-12-05 Lena Sasal , Tanujit Chakraborty , Abdenour Hadid

New micro-grid design with renewable energy sources and battery storage systems can help improve greenhouse gas emissions and reduce the operational cost. To provide an effective short-/long-term forecasting of both energy generation and…

机器学习 · 计算机科学 2022-03-08 Jiangjiao Xu , Ke Li

Transformer-based methods have achieved impressive results in time series forecasting. However, existing Transformers still exhibit limitations in sequence modeling as they tend to overemphasize temporal dependencies. This incurs additional…

机器学习 · 计算机科学 2025-12-16 Tan Wang , Yun Wei Dong , Qi Wang

Transformer-based architectures have achieved remarkable success in natural language processing and computer vision. However, their performance in multivariate long-term forecasting often falls short compared to simpler linear baselines.…

机器学习 · 计算机科学 2025-07-09 Dizhen Liang

Video grounding aims to localize the temporal segment corresponding to a sentence query from an untrimmed video. Almost all existing video grounding methods fall into two frameworks: 1) Top-down model: It predefines a set of segment…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Meng Cao , Long Chen , Mike Zheng Shou , Can Zhang , Yuexian Zou

Deep learning model (primarily convolutional networks and LSTM) for time series classification has been studied broadly by the community with the wide applications in different domains like healthcare, finance, industrial engineering and…

机器学习 · 计算机科学 2021-03-29 Minghao Liu , Shengqi Ren , Siyuan Ma , Jiahui Jiao , Yizhou Chen , Zhiguang Wang , Wei Song

The emergence of deep learning has yielded noteworthy advancements in time series forecasting (TSF). Transformer architectures, in particular, have witnessed broad utilization and adoption in TSF tasks. Transformers have proven to be the…

机器学习 · 计算机科学 2023-11-01 Liyilei Su , Xumin Zuo , Rui Li , Xin Wang , Heng Zhao , Bingding Huang

Time Series Forecasting (TSF) is used to predict the target variables at a future time point based on the learning from previous time points. To keep the problem tractable, learning methods use data from a fixed length window in the past as…

机器学习 · 计算机科学 2022-04-26 Jimeng Shi , Mahek Jain , Giri Narasimhan

The ubiquity of time series data creates a strong demand for general-purpose foundation models, yet developing them for classification remains a significant challenge, largely due to the high cost of labeled data. Foundation models capable…

机器学习 · 计算机科学 2025-11-27 Chin-Chia Michael Yeh , Uday Singh Saini , Junpeng Wang , Xin Dai , Xiran Fan , Jiarui Sun , Yujie Fan , Yan Zheng

Recent advances on time series forecasting mainly focus on improving the forecasting models themselves. However, when the time series data suffer from potential structural breaks or concept drifts, the forecasting performance might be…

应用统计 · 统计学 2025-02-11 Yiming Zhong , Yinuo Ren , Guangyao Cao , Feng Li , Haobo Qi