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相关论文: Timer-S1: A Billion-Scale Time Series Foundation M…

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Time Series Foundation Models (TSFMs) advance generalization and data efficiency in time series forecasting by unified large-scale pretraining. But TSFMs remain lacking when adapting to specific downstream forecasting tasks for two reasons.…

信号处理 · 电气工程与系统科学 2026-05-04 Siyang Li , Yize Chen , Zijie Zhu , Yuxin Pan , Yan Guo , Ming Huang , Hui Xiong

How to best develop foundational models for time series forecasting remains an important open question. Tokenization is a crucial consideration in this effort: what is an effective discrete vocabulary for a real-valued sequential input? To…

Spatiotemporal forecasting techniques are significant for various domains such as transportation, energy, and weather. Accurate prediction of spatiotemporal series remains challenging due to the complex spatiotemporal heterogeneity. In…

机器学习 · 计算机科学 2024-10-01 Haotian Gao , Renhe Jiang , Zheng Dong , Jinliang Deng , Yuxin Ma , Xuan Song

While existing time series foundation models primarily rely on large-scale unimodal pretraining, they lack complementary modalities to enhance time series understanding. Building multimodal foundation models is a natural next step, but it…

机器学习 · 计算机科学 2026-02-06 Peng Chen , Siyuan Wang , Shiyan Hu , Xingjian Wu , Yang Shu , Zhongwen Rao , Meng Wang , Yijie Li , Bin Yang , Chenjuan Guo

Test-time scaling has emerged as a powerful technique for enhancing the reasoning capabilities of large language models. However, its effectiveness in medical reasoning remains uncertain, as the medical domain fundamentally differs from…

计算与语言 · 计算机科学 2026-02-19 Xiaoke Huang , Juncheng Wu , Hui Liu , Xianfeng Tang , Yuyin Zhou

We present a self-supervised, time-to-event (TTE) foundation model called MOTOR (Many Outcome Time Oriented Representations) which is pretrained on timestamped sequences of events in electronic health records (EHR) and health insurance…

机器学习 · 计算机科学 2023-12-06 Ethan Steinberg , Jason Fries , Yizhe Xu , Nigam Shah

Recent work on time-series models has leveraged self-supervised training to learn meaningful features and patterns in order to improve performance on downstream tasks and generalize to unseen modalities. While these pretraining methods have…

机器学习 · 计算机科学 2026-04-10 Paul Quinlan , Qingguo Li , Xiaodan Zhu

Time series pre-training has recently garnered wide attention for its potential to reduce labeling expenses and benefit various downstream tasks. Prior methods are mainly based on pre-training techniques well-acknowledged in vision or…

机器学习 · 计算机科学 2024-06-10 Jiaxiang Dong , Haixu Wu , Yuxuan Wang , Yunzhong Qiu , Li Zhang , Jianmin Wang , Mingsheng Long

We study the problem of efficiently scaling ensemble-based deep neural networks for multi-step time series (TS) forecasting on a large set of time series. Current state-of-the-art deep ensemble models have high memory and computational…

机器学习 · 计算机科学 2022-01-31 Philippe Chatigny , Shengrui Wang , Jean-Marc Patenaude , Boris N. Oreshkin

Time series foundation models excel in zero-shot forecasting, handling diverse tasks without explicit training. However, the advancement of these models has been hindered by the lack of comprehensive benchmarks. To address this gap, we…

机器学习 · 计算机科学 2024-11-12 Taha Aksu , Gerald Woo , Juncheng Liu , Xu Liu , Chenghao Liu , Silvio Savarese , Caiming Xiong , Doyen Sahoo

The advancement of Time Series Foundation Models (TSFMs) has been driven primarily by large-scale pre-training, but inference-time compute potential remains largely untapped. This work systematically investigates two questions: how do TSFMs…

机器学习 · 计算机科学 2026-01-27 Ruijin Hua , Zichuan Liu , Kun Zhang , Yiyuan Yang

The evaluation of time series forecasting models is hindered by a lack of high-quality benchmarks, leading to overestimated assessments of progress. Existing datasets suffer from issues ranging from small-scale, low-frequency, pre-training…

机器学习 · 计算机科学 2026-05-11 Zhijian Xu , Wanxu Cai , Xilin Dai , Zhaorong Deng , Qiang Xu

We investigate the task and motion planning problem for Signal Temporal Logic (STL) specifications in robotics. Existing STL methods rely on pre-defined maps or mobility representations, which are ineffective in unstructured real-world…

机器人学 · 计算机科学 2026-03-03 Bowen Ye , Junyue Huang , Yang Liu , Xiaozhen Qiao , Xiang Yin

In the time-series domain, an increasing number of works combine text with temporal data to leverage the reasoning capabilities of large language models (LLMs) for various downstream time-series understanding tasks. This enables a single…

计算与语言 · 计算机科学 2025-11-11 Zhirui Zhang , Changhua Pei , Tianyi Gao , Zhe Xie , Yibo Hao , Zhaoyang Yu , Longlong Xu , Tong Xiao , Jing Han , Dan Pei

Time series data is prevalent across numerous fields, necessitating the development of robust and accurate forecasting models. Capturing patterns both within and between temporal and multivariate components is crucial for reliable…

机器学习 · 计算机科学 2025-11-21 Maurice Kraus , Felix Divo , Devendra Singh Dhami , Kristian Kersting

Closed-loop performance of sequential decision making algorithms, such as model predictive control, depends strongly on the choice of controller parameters. Bayesian optimization allows learning of parameters from closed-loop experiments,…

系统与控制 · 电气工程与系统科学 2025-11-18 Sebastian Hirt , Lukas Theiner , Rolf Findeisen

Large Language Models (LLMs) have recently demonstrated impressive capabilities in natural language processing due to their strong generalization and sequence modeling capabilities. However, their direct application to time series…

计算与语言 · 计算机科学 2025-08-12 Yanru Sun , Emadeldeen Eldele , Zongxia Xie , Yucheng Wang , Wenzhe Niu , Qinghua Hu , Chee Keong Kwoh , Min Wu

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

We propose novel neural temporal models for predicting and synthesizing human motion, achieving state-of-the-art in modeling long-term motion trajectories while being competitive with prior work in short-term prediction and requiring…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Anand Gopalakrishnan , Ankur Mali , Dan Kifer , C. Lee Giles , Alexander G. Ororbia

The growing need for synthetic time series, due to data augmentation or privacy regulations, has led to numerous generative models, frameworks, and evaluation measures alike. Objectively comparing these measures on a large scale remains an…

机器学习 · 计算机科学 2025-05-28 Michael Stenger , Robert Leppich , André Bauer , Samuel Kounev