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相关论文: Time-FFM: Towards LM-Empowered Federated Foundatio…

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Human experts typically integrate numerical and textual multimodal information to analyze time series. However, most traditional deep learning predictors rely solely on unimodal numerical data, using a fixed-length window for training and…

计算与语言 · 计算机科学 2024-12-17 Chengsen Wang , Qi Qi , Jingyu Wang , Haifeng Sun , Zirui Zhuang , Jinming Wu , Lei Zhang , Jianxin Liao

Motivated by the recent success of time-series foundation models for zero-shot forecasting, we present a methodology for $\textit{in-context fine-tuning}$ of a time-series foundation model. In particular, we design a pretrained foundation…

机器学习 · 计算机科学 2024-11-01 Abhimanyu Das , Matthew Faw , Rajat Sen , Yichen Zhou

With the evolution of large language models (LLMs), there is growing interest in leveraging LLMs for time series tasks. In this paper, we explore the characteristics of LLMs for time series forecasting by considering various existing and…

机器学习 · 计算机科学 2025-02-11 Janghoon Yang

Time-series forecasting (TSF) finds broad applications in real-world scenarios. Prompting off-the-shelf Large Language Models (LLMs) demonstrates strong zero-shot TSF capabilities while preserving computational efficiency. However, existing…

计算与语言 · 计算机科学 2024-02-27 Haoxin Liu , Zhiyuan Zhao , Jindong Wang , Harshavardhan Kamarthi , B. Aditya Prakash

Federated Recommendation Systems (FRSs) offer a privacy-preserving alternative to traditional centralized approaches by decentralizing data storage. However, they face persistent challenges such as data sparsity and heterogeneity, largely…

信息检索 · 计算机科学 2025-04-14 Zhiwei Li , Guodong Long , Chunxu Zhang , Honglei Zhang , Jing Jiang , Chengqi Zhang

As global energy systems transit to clean energy, accurate renewable generation and renewable demand forecasting is imperative for effective grid management. Foundation Models (FMs) can help improve forecasting of renewable generation and…

系统与控制 · 电气工程与系统科学 2025-08-01 Md Meftahul Ferdaus , Tanmoy Dam , Md Rasel Sarkar , Moslem Uddin , Sreenatha G. Anavatti

Decision-making in building energy systems critically depends on the predictive accuracy of relevant time-series models. In scenarios lacking extensive data from a target building, foundation models (FMs) represent a promising technology…

The reliance of language model training on massive amounts of computation and vast datasets scraped from potentially low-quality, copyrighted, or sensitive data has come into question practically, legally, and ethically. Federated learning…

机器学习 · 计算机科学 2024-05-28 Alex Iacob , Lorenzo Sani , Bill Marino , Preslav Aleksandrov , William F. Shen , Nicholas Donald Lane

The diversity of time series applications and scarcity of domain-specific data highlight the need for time-series models with strong few-shot learning capabilities. In this work, we propose a novel training scheme and a transformer-based…

机器学习 · 计算机科学 2025-02-25 Ege Onur Taga , M. Emrullah Ildiz , Samet Oymak

Pre-trained foundation models (FMs) have shown exceptional performance in univariate time series forecasting tasks. However, several practical challenges persist, including managing intricate dependencies among features and quantifying…

The proliferation of time series foundation models has created a landscape where no single method achieves consistent superiority, framing the central challenge not as finding the best model, but as orchestrating an optimal ensemble with…

人工智能 · 计算机科学 2025-12-19 Defu Cao , Michael Gee , Jinbo Liu , Hengxuan Wang , Wei Yang , Rui Wang , Yan Liu

Integrating Foundation Models (FMs) into recommendation systems is an emerging and promising research direction. However, centralized paradigms face growing pressure from privacy concerns and strict regulatory requirements. Federated…

机器学习 · 计算机科学 2026-05-08 Zhiwei Li , Guodong Long , Chunxu Zhang , Honglei Zhang , Jing Jiang , Chengqi Zhang

The recent boom of large pre-trained models witnesses remarkable success in developing foundation models (FMs) for time series forecasting. Despite impressive performance across diverse downstream forecasting tasks, existing time series FMs…

机器学习 · 计算机科学 2025-10-23 Hui He , Kun Yi , Yuanchi Ma , Qi Zhang , Zhendong Niu , Guansong Pang

With the widespread adoption of Large Language Models (LLMs), there is a growing need to establish best practices for leveraging their capabilities beyond traditional natural language tasks. In this paper, a novel cross-domain knowledge…

机器学习 · 计算机科学 2025-09-29 Mohammadmahdi Ghasemloo , Alireza Moradi

By encoding time series as a string of numerical digits, we can frame time series forecasting as next-token prediction in text. Developing this approach, we find that large language models (LLMs) such as GPT-3 and LLaMA-2 can surprisingly…

机器学习 · 计算机科学 2024-08-13 Nate Gruver , Marc Finzi , Shikai Qiu , Andrew Gordon Wilson

Time series forecasting is crucial in many fields, yet current deep learning models struggle with noise, data sparsity, and capturing complex multi-scale patterns. This paper presents MFF-FTNet, a novel framework addressing these challenges…

机器学习 · 计算机科学 2024-11-27 Yangyang Shi , Qianqian Ren , Yong Liu , Jianguo Sun

Neural time-series analysis has traditionally focused on modeling data in the time domain, often with some approaches incorporating equivalent Fourier domain representations as auxiliary spectral features. In this work, we shift the main…

机器学习 · 计算机科学 2024-10-08 Minjung Kim , Yusuke Hioka , Michael Witbrock

Time Series Forecasting (TSF) has long been a challenge in time series analysis. Inspired by the success of Large Language Models (LLMs), researchers are now developing Large Time Series Models (LTSMs)-universal transformer-based models…

Recent progress in foundation models has enabled strong zero-shot performance for time series forecasting. In this work, we show that such capabilities can also emerge from tabular foundation models. We introduce TabPFN-TS, a simple method…

机器学习 · 计算机科学 2026-01-28 Shi Bin Hoo , Samuel Müller , David Salinas , Frank Hutter

Deep learning (e.g., Transformer) has been widely and successfully used in multivariate time series forecasting (MTSF). Unlike existing methods that focus on training models from a single modal of time series input, large language models…

机器学习 · 计算机科学 2025-04-09 Peiyuan Liu , Hang Guo , Tao Dai , Naiqi Li , Jigang Bao , Xudong Ren , Yong Jiang , Shu-Tao Xia