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相关论文: Towards Similarity-Aware Time-Series Classificatio…

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Time series classification is a widely studied problem in the field of time series data mining. Previous research has predominantly focused on scenarios where relevant or foreground subsequences have already been extracted, with each…

This paper proposes a task-agnostic discovery layer for multivariate time series that constructs a relational hypothesis graph over entities without assuming linearity, stationarity, or a downstream objective. The method learns window-level…

机器学习 · 计算机科学 2026-01-28 Olusegun Owoeye

Entity alignment aims to identify equivalent entity pairs between different knowledge graphs (KGs). Recently, the availability of temporal KGs (TKGs) that contain time information created the need for reasoning over time in such TKGs.…

人工智能 · 计算机科学 2022-03-15 Chengjin Xu , Fenglong Su , Jens Lehmann

We consider a setting where multiple entities inter-act with each other over time and the time-varying statuses of the entities are represented as multiple correlated time series. For example, speed sensors are deployed in different…

机器学习 · 计算机科学 2021-03-23 Razvan-Gabriel Cirstea , Chenjuan Guo , Bin Yang

Text-attributed graphs (TAGs) present unique challenges for direct processing by Language Learning Models (LLMs), yet their extensive commonsense knowledge and robust reasoning capabilities offer great promise for node classification in…

机器学习 · 计算机科学 2024-02-07 Rui Li , Jiwei Li , Jiawei Han , Guoyin Wang

This paper deals with the problem of 3D tracking, i.e., to find dense correspondences in a sequence of time-varying 3D shapes. Despite deep learning approaches have achieved promising performance for pairwise dense 3D shapes matching, it is…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Shuaihang Yuan , Xiang Li , Yi Fang

Deep neural networks (DNNs) have achieved exceptional performances in many tasks, particularly, in supervised classification tasks. However, achievements with supervised classification tasks are based on large datasets with well-separated…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Kazuma Arino , Yohei Kikuta

Time series classification (TSC) is a challenging task due to the diversity of types of feature that may be relevant for different classification tasks, including trends, variance, frequency, magnitude, and various patterns. To address this…

机器学习 · 计算机科学 2023-04-14 Matthieu Herrmann , Chang Wei Tan , Mahsa Salehi , Geoffrey I. Webb

The synthetic control (SC) framework is widely used for observational causal inference with time-series panel data. SC has been successful in diverse applications, but existing methods typically treat the ordering of pre-intervention time…

机器学习 · 计算机科学 2026-01-07 Saeyoung Rho , Cyrus Illick , Samhitha Narasipura , Alberto Abadie , Daniel Hsu , Vishal Misra

Ensemble methods have played a crucial role in achieving state-of-the-art (SOTA) performance across various machine learning tasks by leveraging the diversity of features learned by individual models. In Time Series Classification (TSC),…

机器学习 · 计算机科学 2026-02-10 Javidan Abdullayev , Maxime Devanne , Cyril Meyer , Ali Ismail-Fawaz , Jonathan Weber , Germain Forestier

Semblance velocity analysis is a crucial step in seismic data processing. To avoid the huge time-cost when performed manually, some deep learning methods are proposed for automatic semblance velocity picking. However, the application of…

地球物理 · 物理学 2022-07-04 Chenyu Qiu , Bangyu Wu , Meng Li , Hui Yang , Xu Zhu

Devising and analyzing learning models for spatiotemporal network data is of importance for tasks including forecasting, anomaly detection, and multi-agent coordination, among others. Graph Convolutional Neural Networks (GCNNs) are an…

机器学习 · 计算机科学 2022-07-01 Mohammad Sabbaqi , Elvin Isufi

Time Series data are broadly studied in various domains of transportation systems. Traffic data area challenging example of spatio-temporal data, as it is multi-variate time series with high correlations in spatial and temporal…

机器学习 · 计算机科学 2021-07-06 Reza Asadi , Amelia Regan

Time series are ubiquitous and therefore inherently hard to analyze and ultimately to label or cluster. With the rise of the Internet of Things (IoT) and its smart devices, data is collected in large amounts any given second. The collected…

机器学习 · 计算机科学 2022-07-14 Padraig Davidson , Michael Steininger , André Huhn , Anna Krause , Andreas Hotho

We introduce and detail an atypical neural network architecture, called time elastic neural network (teNN), for multivariate time series classification. The novelty compared to classical neural network architecture is that it explicitly…

神经与进化计算 · 计算机科学 2024-06-14 Pierre-François Marteau

Deep neural networks have shown promising results for various clinical prediction tasks. However, training deep networks such as those based on Recurrent Neural Networks (RNNs) requires large labeled data, significant hyper-parameter tuning…

机器学习 · 计算机科学 2021-03-05 Priyanka Gupta , Pankaj Malhotra , Jyoti Narwariya , Lovekesh Vig , Gautam Shroff

Time-series representation learning can extract representations from data with temporal dynamics and sparse labels. When labeled data are sparse but unlabeled data are abundant, contrastive learning, i.e., a framework to learn a latent…

机器学习 · 计算机科学 2023-03-03 Heejeong Choi , Pilsung Kang

Multivariate time series prediction has applications in a wide variety of domains and is considered to be a very challenging task, especially when the variables have correlations and exhibit complex temporal patterns, such as seasonality…

机器学习 · 计算机科学 2020-01-07 Yuya Jeremy Ong , Mu Qiao , Divyesh Jadav

New remote sensing sensors now acquire high spatial and spectral Satellite Image Time Series (SITS) of the world. These series of images are a key component of classification systems that aim at obtaining up-to-date and accurate land cover…

计算机视觉与模式识别 · 计算机科学 2019-02-01 Charlotte Pelletier , Geoffrey I. Webb , Francois Petitjean

The ability to compute similarity scores between graphs based on metrics such as Graph Edit Distance (GED) is important in many real-world applications. Computing exact GED values is typically an NP-hard problem and traditional algorithms…

机器学习 · 计算机科学 2022-08-18 Haoyan Xu , Runjian Chen , Yueyang Wang , Ziheng Duan , Jie Feng