中文
相关论文

相关论文: QuiZSF: A Retrieval-Augmented Framework for Zero-S…

200 篇论文

A major bottleneck of the current Machine Learning (ML) workflow is the time consuming, error prone engineering required to get data from a datastore or a database (DB) to the point an ML algorithm can be applied to it. Hence, we explore…

数据库 · 计算机科学 2021-02-16 Anish Agarwal , Abdullah Alomar , Devavrat Shah

The demand of probabilistic time series forecasting has been recently raised in various dynamic system scenarios, for example, system identification and prognostic and health management of machines. To this end, we combine the advances in…

机器学习 · 计算机科学 2022-05-25 Haitao Liu , Changjun Liu , Xiaomo Jiang , Xudong Chen , Shuhua Yang , Xiaofang Wang

Time series forecasting is widely used in business intelligence, e.g., forecast stock market price, sales, and help the analysis of data trend. Most time series of interest are macroscopic time series that are aggregated from microscopic…

机器学习 · 计算机科学 2021-10-28 Zhibo Zhu , Ziqi Liu , Ge Jin , Zhiqiang Zhang , Lei Chen , Jun Zhou , Jianyong Zhou

Time-Series Foundation Models (TSFMs) are rapidly transitioning from research prototypes to core components of critical decision-making systems, driven by their impressive zero-shot forecasting capabilities. However, as their deployment…

机器学习 · 计算机科学 2025-12-09 Jiawen Zhang , Zhenwei Zhang , Shun Zheng , Xumeng Wen , Jia Li , Jiang Bian

This paper introduces a novel meta-learning algorithm for time series forecast model performance prediction. We model the forecast error as a function of time series features calculated from the historical time series with an efficient…

应用统计 · 统计学 2022-07-11 Thiyanga S. Talagala , Feng Li , Yanfei Kang

Recent advancements in generative modeling, particularly diffusion models, have opened new directions for time series modeling, achieving state-of-the-art performance in forecasting and synthesis. However, the reliance of diffusion-based…

机器学习 · 计算机科学 2025-05-13 Marcel Kollovieh , Marten Lienen , David Lüdke , Leo Schwinn , Stephan Günnemann

In this paper, we introduce TimeGPT, the first foundation model for time series, capable of generating accurate predictions for diverse datasets not seen during training. We evaluate our pre-trained model against established statistical,…

机器学习 · 计算机科学 2024-05-29 Azul Garza , Cristian Challu , Max Mergenthaler-Canseco

We introduce LatentTimePFN (LaT-PFN), a foundational Time Series model with a strong embedding space that enables zero-shot forecasting. To achieve this, we perform in-context learning in latent space utilizing a novel integration of the…

机器学习 · 计算机科学 2024-05-24 Stijn Verdenius , Andrea Zerio , Roy L. M. Wang

Providing long-range forecasts is a fundamental challenge in time series modeling, which is only compounded by the challenge of having to form such forecasts when a time series has never previously been observed. The latter challenge is the…

机器学习 · 统计学 2018-08-28 Christopher Xie , Alex Tank , Alec Greaves-Tunnell , Emily Fox

Forecasting state evolution of network systems, such as the spread of information on social networks, is significant for effective policy interventions and resource management. However, the underlying propagation dynamics constantly shift…

计算工程、金融与科学 · 计算机科学 2025-10-13 Shihe Zhou , Ruikun Li , Huandong Wang , Yong Li

Forecasting multivariate time series data, such as prediction of electricity consumption, solar power production, and polyphonic piano pieces, has numerous valuable applications. However, complex and non-linear interdependencies between…

机器学习 · 计算机科学 2019-09-20 Shun-Yao Shih , Fan-Keng Sun , Hung-yi Lee

Mining time-frequency features is critical for time series forecasting. Existing research has predominantly focused on modeling low-frequency patterns, where most time series energy is concentrated. The overlooking of mid to high frequency…

机器学习 · 计算机科学 2026-03-11 Boya Zhang , Shuaijie Yin , Huiwen Zhu , Xing He

At present, state-of-the-art forecasting models are short of the ability to capture spatio-temporal dependency and synthesize global information at the stage of learning. To address this issue, in this paper, through the adaptive fuzzified…

人工智能 · 计算机科学 2025-07-29 Lijian Li

Recently, large language models (LLMs) have shown great promise in time series forecasting. However, most existing LLM-based forecasting methods still follow a static generative paradigm that directly maps historical observations to future…

机器学习 · 计算机科学 2026-05-05 Bokai Pan , Mingyue Cheng , Zhiding Liu , Shuo Yu , Xiaoyu Tao , Yuchong Wu , Qi Liu , Defu Lian , Enhong Chen

Time series forecasting (TSF) is critical across domains such as finance, meteorology, and energy. While extending the lookback window theoretically provides richer historical context, in practice, it often introduces irrelevant noise and…

机器学习 · 计算机科学 2026-04-03 Xiang Ao , Yinyu Tan , Mengru Chen

Time series forecasting is ubiquitous in the modern world. Applications range from health care to astronomy, and include climate modelling, financial trading and monitoring of critical engineering equipment. To offer value over this range…

机器学习 · 统计学 2018-10-26 Bernardo Pérez Orozco , Gabriele Abbati , Stephen Roberts

How to handle time features shall be the core question of any time series forecasting model. Ironically, it is often ignored or misunderstood by deep-learning based models, even those baselines which are state-of-the-art. This behavior…

机器学习 · 计算机科学 2022-07-25 Li Shen , Yuning Wei , Yangzhu Wang

Forecasting agricultural markets remains challenging due to nonlinear dynamics, structural breaks, and sparse data. A long-standing belief holds that simple time-series methods outperform more advanced alternatives. This paper provides the…

计量经济学 · 经济学 2026-01-21 Le Wang , Boyuan Zhang

Time series forecasting, which aims to predict future values based on historical data, has garnered significant attention due to its broad range of applications. However, real-world time series often exhibit complex non-uniform distribution…

机器学习 · 计算机科学 2025-10-02 Yanru Sun , Zongxia Xie , Emadeldeen Eldele , Dongyue Chen , Qinghua Hu , Min Wu

Time series generation is critical for a wide range of applications, which greatly supports downstream analytical and decision-making tasks. However, the inherent temporal heterogeneous induced by localized perturbations present significant…

机器学习 · 计算机科学 2025-11-19 Jintao Zhang , Mingyue Cheng , Zirui Liu , Xianquan Wang , Yitong Zhou , Qi Liu
‹ 上一页 1 8 9 10 下一页 ›