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This paper presents a software implementation of a general framework for time series interpretation based on abductive reasoning. The software provides a data model and a set of algorithms to make inference to the best explanation of a time…

人工智能 · 计算机科学 2020-03-18 Tomas Teijeiro , Paulo Felix

Dynamics of complex systems is studied by first considering a chaotic time series generated by Lorenz equations and adding noise to it. The trend (smooth behavior) is separated from fluctuations at different scales using wavelet analysis…

混沌动力学 · 物理学 2009-11-11 Dilip P. Ahalpara , Jitendra C. Parikh

Aggregated time series are generated effortlessly everywhere, e.g., "total confirmed covid-19 cases since 2019" and "total liquor sales over time." Understanding "how" and "why" these key performance indicators (KPI) evolve over time is…

数据库 · 计算机科学 2022-11-22 Yiru Chen , Silu Huang

Interpretable classification of time series presents significant challenges in high dimensions. Traditional feature selection methods in the frequency domain often assume sparsity in spectral density matrices (SDMs) or their inverses, which…

机器学习 · 统计学 2024-08-19 Sarbojit Roy , Malik Shahid Sultan , Hernando Ombao

Time series modeling for predictive purpose has been an active research area of machine learning for many years. However, no sufficiently comprehensive and meanwhile substantive survey was offered so far. This survey strives to meet this…

机器学习 · 计算机科学 2021-09-28 Fatoumata Dama , Christine Sinoquet

Forecasting complex time series is an important yet challenging problem that involves various industrial applications. Recently, masked time-series modeling has been proposed to effectively model temporal dependencies for forecasting by…

机器学习 · 计算机科学 2025-07-02 Hyunwoo Seo , Chiehyeon Lim

Current methods for determining whether a time series exhibits fractal structure (FS) rely on subjective assessments on estimators of the Hurst exponent (H). Here, I introduce the Bayesian Assessment of Scaling, an analytical framework for…

数据分析、统计与概率 · 物理学 2009-11-13 Fermín Moscoso del Prado Martín

Time series generation is widely used in real-world applications such as simulation, data augmentation, and hypothesis testing. Recently, diffusion models have emerged as the de facto approach to time series generation, enabling diverse…

机器学习 · 计算机科学 2025-12-25 Jinseong Park , Seungyun Lee , Woojin Jeong , Yujin Choi , Jaewook Lee

Time series analysis is crucial in fields like finance, economics, environmental science, and biomedical engineering, aiding in forecasting, pattern identification, and understanding underlying mechanisms. While traditional time-domain…

统计方法学 · 统计学 2024-08-21 Jonathan de Souza Matias , Valderio Anselmo Reisen

This paper presents a novel study on harnessing Large Language Models' (LLMs) outstanding knowledge and reasoning abilities for explainable financial time series forecasting. The application of machine learning models to financial time…

机器学习 · 计算机科学 2023-06-21 Xinli Yu , Zheng Chen , Yuan Ling , Shujing Dong , Zongyi Liu , Yanbin Lu

Time series forecasting, which predicts future values from past observations, plays a central role in many domains and has driven the development of highly accurate neural network models. However, the complexity of these models often limits…

机器学习 · 计算机科学 2026-03-05 Hiroki Tomioka , Genta Yoshimura

Generating realistic time series data is critical for applications in healthcare, finance, and science. However, irregular sampling and missing values present significant challenges. While prior methods address these irregularities, they…

机器学习 · 计算机科学 2025-10-09 Gal Fadlon , Idan Arbiv , Nimrod Berman , Omri Azencot

We developed a new approach for the analysis of physiological time series. An iterative convolution filter is used to decompose the time series into various components. Statistics of these components are extracted as features to…

机器学习 · 计算机科学 2015-04-24 Dong Mao , Yang Wang , Qiang Wu

Many dynamic processes such as telecommunication and transport networks can be described through discrete time series of graphs. Modelling the dynamics of such time series enables prediction of graph structure at future time steps, which…

机器学习 · 计算机科学 2026-02-10 Sevvandi Kandanaarachchi , Ziqi Xu , Stefan Westerlund , Conrad Sanderson

Time series classification is a task which deals with temporal sequences, a prevalent data type common in domains such as human activity recognition, sports analytics and general sensing. In this area, interest in explainability has been…

机器学习 · 计算机科学 2024-06-27 Thu Trang Nguyen , Thach Le Nguyen , Georgiana Ifrim

Time series forecasting has applications across domains and industries, especially in healthcare, but the technical expertise required to analyze data, build models, and interpret results can be a barrier to using these techniques. This…

机器学习 · 计算机科学 2025-12-10 Aaron D. Mullen , Daniel R. Harris , Svetla Slavova , V. K. Cody Bumgardner

While Transformers excel in language and vision-where inputs are semantically rich and exhibit univariate dependency structures-their architectural complexity leads to diminishing returns in time series forecasting. Time series data is…

机器学习 · 计算机科学 2025-06-09 Yash Vijay , Harini Subramanyan

Predictive analytics aims to build machine learning models to predict behavior patterns and use predictions to guide decision-making. Predictive analytics is human involved, thus the machine learning model is preferred to be interpretable.…

机器学习 · 计算机科学 2023-03-14 Yuanyuan Jiang , Rui Ding , Tianchi Qiao , Yunan Zhu , Shi Han , Dongmei Zhang

Time series forecasting is traditionally dominated by sequence-based architectures such as recurrent neural networks and attention mechanisms, which process all time steps uniformly and often incur substantial computational cost. However,…

信号处理 · 电气工程与系统科学 2026-04-21 K. A. Shahriar

Most of state of the art methods applied on time series consist of deep learning methods that are too complex to be interpreted. This lack of interpretability is a major drawback, as several applications in the real world are critical…