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Can meta-learning discover generic ways of processing time series (TS) from a diverse dataset so as to greatly improve generalization on new TS coming from different datasets? This work provides positive evidence to this using a broad…

机器学习 · 计算机科学 2020-12-16 Boris N. Oreshkin , Dmitri Carpov , Nicolas Chapados , Yoshua Bengio

In multivariate time series (MTS) forecasting, many deep learning based methods have been proposed for modeling dependencies at multiple spatial (inter-variate) or temporal (intra-variate) scales. However, existing methods may fail to model…

机器学习 · 计算机科学 2025-09-03 Binqing Wu , Jianlong Huang , Zongjiang Shang , Ling Chen

Irregular and asynchronous event sequences are prevalent in many domains, such as social media, finance, and healthcare. Traditional temporal point processes (TPPs), like Hawkes processes, often struggle to model mutual inhibition and…

机器学习 · 计算机科学 2024-07-09 Anningzhe Gao , Shan Dai , Yan Hu

Multivariate Time series forecasting is crucial in domains such as transportation, meteorology, and finance, especially for predicting extreme weather events. State-of-the-art methods predominantly rely on Transformer architectures, which…

机器学习 · 计算机科学 2024-10-16 Li Wu , Wenbin Pei , Jiulong Jiao , Qiang Zhang

We present a new mixed-integer programming (MIP) approach for offline multiple change-point detection by casting the problem as a globally optimal piecewise linear (PWL) fitting problem. Our main contribution is a family of strengthened MIP…

最优化与控制 · 数学 2026-02-13 Apoorva Narula , Santanu S. Dey , Yao Xie

Foundational marked temporal point process (MTPP) models, such as the Hawkes process, often use inexpressive model families in order to offer interpretable parameterizations of event data. On the other hand, neural MTPPs models forego this…

机器学习 · 统计学 2025-11-04 Alex Boyd , Andrew Warrington , Taha Kass-Hout , Parminder Bhatia , Danica Xiao

Machine learning interatomic potentials (MLIPs) enable efficient molecular dynamics (MD) simulations with ab initio accuracy and have been applied across various domains in physical science. However, their performance often relies on…

计算物理 · 物理学 2025-07-29 Taoyong Cui , Zhongyao Wang , Dongzhan Zhou , Yuqiang Li , Lei Bai , Wanli Ouyang , Mao Su , Shufei Zhang

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

Traffic forecasting task is significant to modern urban management. Recently, there is growing attention on large-scale forecasting, as it better reflects the complexity of real-world traffic networks. However, existing models often exhibit…

机器学习 · 计算机科学 2025-12-10 Yongyao Wang , Jingyuan Wang , Xie Yu , Jiahao Ji , Chao Li

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

Missing values are pervasive in large-scale time-series data, posing challenges for reliable analysis and decision-making. Many neural architectures have been designed to model and impute the complex and heterogeneous missingness patterns…

机器学习 · 计算机科学 2026-02-26 Joseph Arul Raj , Linglong Qian , Zina Ibrahim

While large language models (LLMs) demonstrate emerging reasoning capabilities, current inference-time expansion methods incur prohibitive computational costs by exhaustive sampling. Through analyzing decoding trajectories, we observe that…

人工智能 · 计算机科学 2026-02-03 Ziheng Li , Hengyi Cai , Xiaochi Wei , Yuchen Li , Shuaiqiang Wang , Zhi-Hong Deng , Dawei Yin

This paper proposes TIP-Search, a time-predictable inference scheduling framework for real-time market prediction under uncertain workloads. Motivated by the strict latency demands in high-frequency financial systems, TIP-Search dynamically…

人工智能 · 计算机科学 2025-06-18 Xibai Wang

Time series forecasting is a key component in many industrial and business decision processes and recurrent neural network (RNN) based models have achieved impressive progress on various time series forecasting tasks. However, most of the…

机器学习 · 计算机科学 2021-01-26 Zekai Chen , Jiaze E , Xiao Zhang , Hao Sheng , Xiuzheng Cheng

Integer linear programming (ILP) remains computationally challenging due to its NP-complete nature despite its central role in scheduling, logistics, and design optimization. We introduce a fully quantum Metropolis-Hastings algorithm for…

量子物理 · 物理学 2026-02-16 Gabriel Escrig , Roberto Campos , M. A. Martin-Delgado

This article presents the first mixed-integer linear programming (MILP)-based iterative algorithm to solve factorable mixed-integer nonlinear programs (MINLPs) with bounded, differentiable periodic functions to global optimality with an…

最优化与控制 · 数学 2025-10-01 Christopher Montez , Sujeevraja Sanjeevi , Kaarthik Sundar

Time series (TS) forecasting has been an unprecedentedly popular problem in recent years, with ubiquitous applications in both scientific and business fields. Various approaches have been introduced to time series analysis, including both…

机器学习 · 计算机科学 2024-05-20 Ziyou Guo , Yan Sun , Tieru Wu

Time series forecasting plays an increasingly important role in modern business decisions. In today's data-rich environment, people often aim to choose the optimal forecasting model for their data. However, identifying the optimal model…

应用统计 · 统计学 2021-12-17 Xixi Li , Fotios Petropoulos , Yanfei Kang

Motion forecasting plays a pivotal role in autonomous driving systems, enabling vehicles to execute collision warnings and rational local-path planning based on predictions of the surrounding vehicles. However, prevalent methods often…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Zhanwen Liu , Chao Li , Nan Yang , Yang Wang , Jiaqi Ma , Guangliang Cheng , Xiangmo Zhao

In this paper, we propose a novel parameter and computation efficient tuning method for Multi-modal Large Language Models (MLLMs), termed Efficient Attention Skipping (EAS). Concretely, we first reveal that multi-head attentions (MHAs), the…

多媒体 · 计算机科学 2026-02-27 Qiong Wu , Weihao Ye , Yiyi Zhou , Xiaoshuai Sun , Rongrong Ji