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Recent advancements in deep learning models for time series forecasting have been significant. These models often leverage fundamental time series properties such as seasonality and non-stationarity, which may suggest an intrinsic link…

Machine Learning · Computer Science 2025-09-09 Fei Wang , Yujie Li , Zezhi Shao , Chengqing Yu , Yisong Fu , Zhulin An , Yongjun Xu , Xueqi Cheng

Anomaly detection (AD) plays a crucial role in time series applications, primarily because time series data is employed across real-world scenarios. Detecting anomalies poses significant challenges since anomalies take diverse forms making…

Machine Learning · Computer Science 2025-01-03 Jihan Ghanim , Mariette Awad

This study presents a novel time series prediction model, FPN-fusion, designed with linear computational complexity, demonstrating superior predictive performance compared to DLiner without increasing parameter count or computational…

Machine Learning · Computer Science 2024-06-12 Chu Li , Pingjia Xiao , Qiping Yuan

Entity Resolution (ER) is a critical data cleaning task for identifying records that refer to the same real-world entity. In the era of Big Data, traditional batch ER is often infeasible due to volume and velocity constraints, necessitating…

Databases · Computer Science 2026-01-05 Dimitrios Karapiperis , George Papadakis , Vassilios Verykios

We consider the classical sparse regression problem of recovering a sparse signal $x_0$ given a measurement vector $y = \Phi x_0+w$. We propose a tree search algorithm driven by the deep neural network for sparse regression (TSN). TSN…

Machine Learning · Computer Science 2019-04-02 Kyung-Su Kim , Sae-Young Chung

This paper presents enhancements to the projection pursuit tree classifier and visual diagnostic methods for assessing their impact in high dimensions. The original algorithm uses linear combinations of variables in a tree structure where…

Machine Learning · Statistics 2026-03-16 Natalia da Silva , Dianne Cook , Eun-Kyung Lee

Pattern recognition is a fundamental task in continuous sensing applications, but real-world scenarios often experience distribution shifts that necessitate learning generalizable representations for such tasks. This challenge is…

Machine Learning · Computer Science 2025-10-23 Payal Mohapatra , Lixu Wang , Qi Zhu

Causal inference on time series data is a challenging problem, especially in the presence of unobserved confounders. This work focuses on estimating the causal effect between two time series that are confounded by a third, unobserved time…

Machine Learning · Statistics 2024-11-19 Felix Schur , Jonas Peters

This work proposes a machine-learning framework for modeling the error incurred by approximate solutions to parameterized dynamical systems. In particular, we extend the machine-learning error models (MLEM) framework proposed in Ref. 15 to…

Numerical Analysis · Mathematics 2020-04-22 Eric J. Parish , Kevin T. Carlberg

In this paper, we propose an innovative Transfer learning for Time series classification method. Instead of using an existing dataset from the UCR archive as the source dataset, we generated a 15,000,000 synthetic univariate time series…

Machine Learning · Computer Science 2022-07-19 Yarden Rotem , Nathaniel Shimoni , Lior Rokach , Bracha Shapira

Unlocking the potential of deep learning in Peak-Hour Series Forecasting (PHSF) remains a critical yet underexplored task in various domains. While state-of-the-art deep learning models excel in regular Time Series Forecasting (TSF), they…

Machine Learning · Computer Science 2023-10-03 Zhenwei Zhang , Xin Wang , Jingyuan Xie , Heling Zhang , Yuantao Gu

Synthetic Electronic Health Record (EHR) time-series generation is crucial for advancing clinical machine learning models, as it helps address data scarcity by providing more training data. However, most existing approaches focus primarily…

Machine Learning · Computer Science 2025-04-25 Bowen Deng , Chang Xu , Hao Li , Yuhao Huang , Min Hou , Jiang Bian

Deep learning has shown strong performance in time series forecasting tasks. However, issues such as missing values and anomalies in sequential data hinder its further development in prediction tasks. Previous research has primarily focused…

Machine Learning · Computer Science 2025-12-17 Hua Wang , Jinghao Lu , Fan Zhang

Diffusion models have shown great promise in data generation, yet generating time series data remains challenging due to the need to capture complex temporal dependencies and structural patterns. In this paper, we present \textit{TSGDiff},…

Machine Learning · Computer Science 2025-11-18 Lifeng Shen , Xuyang Li , Lele Long

Online Surgical Phase Recognition (SPR) models can reach high frame-wise accuracy, yet their predictions often lack temporal stability, fragmenting workflow understanding and reducing the reliability of downstream assistance. We show that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Yang Liu , Ning Zhu , Jingjing Peng , Xiwu Chen , Alejandro Granados , Guotai Wang , Sebastien Ourselin

Time series, characterized by a sequence of data points organized in a discrete-time order, are ubiquitous in real-world scenarios. Unlike other data modalities, time series present unique challenges in learning and modeling due to their…

Machine Learning · Computer Science 2026-05-05 Yuxuan Wang , Haixu Wu , Jiaxiang Dong , Yong Liu , Chen Wang , Mingsheng Long , Jianmin Wang

Making accurate predictions of chaotic time series is a complex challenge. Reservoir computing, a neuromorphic-inspired approach, has emerged as a powerful tool for this task. It exploits the memory and nonlinearity of dynamical systems…

Machine Learning · Computer Science 2025-05-26 Rodrigo Martínez-Peña , Román Orús

Time series classification has received great attention over the past decade with a wide range of methods focusing on predictive performance by exploiting various types of temporal features. Nonetheless, little emphasis has been placed on…

Machine Learning · Computer Science 2018-09-17 Isak Karlsson , Jonathan Rebane , Panagiotis Papapetrou , Aristides Gionis

In recent years, neural networks achieved much success in various applications. The main challenge in training deep neural networks is the lack of sufficient data to improve the model's generalization and avoid overfitting. One of the…

Machine Learning · Computer Science 2021-08-24 Mohammad Akyash , Hoda Mohammadzade , Hamid Behroozi

In 2002, the UCR time series classification archive was first released with sixteen datasets. It gradually expanded, until 2015 when it increased in size from 45 datasets to 85 datasets. In October 2018 more datasets were added, bringing…

Machine Learning · Computer Science 2018-11-02 Anthony Bagnall , Hoang Anh Dau , Jason Lines , Michael Flynn , James Large , Aaron Bostrom , Paul Southam , Eamonn Keogh