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Time series analysis is a field of data science which is interested in analyzing sequences of numerical values ordered in time. Time series are particularly interesting because they allow us to visualize and understand the evolution of a…

机器学习 · 计算机科学 2020-10-02 Hassan Ismail Fawaz

Deep learning has contributed remarkably to the advancement of time series analysis. Still, deep models can encounter performance bottlenecks in real-world data-scarce scenarios, which can be concealed due to the performance saturation with…

机器学习 · 计算机科学 2024-10-21 Yong Liu , Haoran Zhang , Chenyu Li , Xiangdong Huang , Jianmin Wang , Mingsheng Long

In recent years, deep learning techniques have outperformed traditional models in many machine learning tasks. Deep neural networks have successfully been applied to address time series forecasting problems, which is a very important topic…

机器学习 · 计算机科学 2021-04-09 Pedro Lara-Benítez , Manuel Carranza-García , José C. Riquelme

With the increased availability of rich tactile sensors, there is an equally proportional need for open-source and integrated software capable of efficiently and effectively processing raw touch measurements into high-level signals that can…

机器人学 · 计算机科学 2021-05-28 Mike Lambeta , Huazhe Xu , Jingwei Xu , Po-Wei Chou , Shaoxiong Wang , Trevor Darrell , Roberto Calandra

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

Applying iterative solvers on sparsity-constrained optimization (SCO) requires tedious mathematical deduction and careful programming/debugging that hinders these solvers' broad impact. In the paper, the library skscope is introduced to…

机器学习 · 统计学 2024-10-14 Zezhi Wang , Jin Zhu , Peng Chen , Huiyang Peng , Xiaoke Zhang , Anran Wang , Junxian Zhu , Xueqin Wang

A considerable amount of clustering algorithms take instance-feature matrices as their inputs. As such, they cannot directly analyze time series data due to its temporal nature, usually unequal lengths, and complex properties. This is a…

人工智能 · 计算机科学 2019-06-04 Qi Lei , Jinfeng Yi , Roman Vaculin , Lingfei Wu , Inderjit S. Dhillon

Over the past years, the industrial sector has seen many innovations brought about by automation. Inherent in this automation is the installation of sensor networks for status monitoring and data collection. One of the major challenges in…

机器学习 · 计算机科学 2020-05-28 Paulito Palmes , Joern Ploennigs , Niall Brady

Bitcoin is one of the cryptocurrencies that is gaining more popularity in recent years. Previous studies have shown that closing price alone is not enough to forecast stock market series. We introduce a new set of time series and…

机器学习 · 计算机科学 2025-04-28 Stefano Sossi-Rojas , Gissel Velarde , Damian Zieba

Multimodal analysis that uses numerical time series and textual corpora as input data sources is becoming a promising approach, especially in the financial industry. However, the main focus of such analysis has been on achieving high…

计算与语言 · 计算机科学 2019-12-24 Xuan-Hong Dang , Syed Yousaf Shah , Petros Zerfos

Runtime models provide a snapshot of a system at runtime at a desired level of abstraction. Via a causal connection to the modeled system and by employing model-driven engineering techniques, runtime models support schemes for (runtime)…

软件工程 · 计算机科学 2020-08-18 Lucas Sakizloglou , Sona Ghahremani , Matthias Barkowsky , Holger Giese

Deep neural networks, including transformers and convolutional neural networks, have significantly improved multivariate time series classification (MTSC). However, these methods often rely on supervised learning, which does not fully…

机器学习 · 计算机科学 2024-05-28 Xiwen Chen , Peijie Qiu , Wenhui Zhu , Huayu Li , Hao Wang , Aristeidis Sotiras , Yalin Wang , Abolfazl Razi

In machine learning, effective modeling requires a holistic consideration of how to encode inputs, make predictions (i.e., decoding), and train the model. However, in time-series forecasting, prior work has predominantly focused on encoder…

机器学习 · 计算机科学 2025-12-30 Jaebin Lee , Hankook Lee

We initiate an open-source library for the efficient analysis of temporal graphs. We consider one of the standard models of dynamic networks in which each edge has a discrete timestamp and transition time. Recently there has been a massive…

数据结构与算法 · 计算机科学 2025-08-04 Lutz Oettershagen , Petra Mutzel

The main motivation behind the open source library SSM is to reduce the technical friction that prevents modellers from sharing their work, quickly iterating in crisis situations, and making their work directly usable by public authorities…

统计计算 · 统计学 2014-02-18 Joseph Dureau , Sébastien Ballesteros , Tiffany Bogich

There is a long history of research into time series clustering using distance-based partitional clustering. Many of the most popular algorithms adapt k-means (also known as Lloyd's algorithm) to exploit time dependencies in the data by…

机器学习 · 计算机科学 2024-10-21 Christopher Holder , Anthony Bagnall , Jason Lines

Time series analysis is crucial in fields like finance, transportation, and industry. However, traditional models often focus solely on temporal features, limiting their ability to capture underlying information. This paper proposes a novel…

机器学习 · 计算机科学 2025-03-12 Shule Hao , Junpeng Bao , Chuncheng Lu

In this work, we present scikit-fingerprints, a Python package for computation of molecular fingerprints for applications in chemoinformatics. Our library offers an industry-standard scikit-learn interface, allowing intuitive usage and easy…

软件工程 · 计算机科学 2025-08-12 Jakub Adamczyk , Piotr Ludynia

Recent research on time-series self-supervised models shows great promise in learning semantic representations. However, it has been limited to small-scale datasets, e.g., thousands of temporal sequences. In this work, we make key technical…

机器学习 · 计算机科学 2024-07-11 Chenguo Lin , Xumeng Wen , Wei Cao , Congrui Huang , Jiang Bian , Stephen Lin , Zhirong Wu

Time series data are integral to critical applications across domains such as finance, healthcare, transportation, and environmental science. While recent work has begun to explore multi-task time series question answering (QA), current…