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Subspace clustering refers to the problem of clustering high-dimensional data into a union of low-dimensional subspaces. Current subspace clustering approaches are usually based on a two-stage framework. In the first stage, an affinity…

Machine Learning · Computer Science 2019-10-22 Shuai Yang , Wenqi Zhu , Yuesheng Zhu

Correlated time series (CTS) forecasting plays an essential role in many cyber-physical systems, where multiple sensors emit time series that capture interconnected processes. Solutions based on deep learning that deliver state-of-the-art…

Machine Learning · Computer Science 2021-12-22 Xinle Wu , Dalin Zhang , Chenjuan Guo , Chaoyang He , Bin Yang , Christian S. Jensen

Synchronization cluster analysis is an approach to the detection of underlying structures in data sets of multivariate time series, starting from a matrix R of bivariate synchronization indices. A previous method utilized the eigenvectors…

Data Analysis, Statistics and Probability · Physics 2007-12-20 Carsten Allefeld , Stephan Bialonski

Data series similarity search is a core operation for several data series analysis applications across many different domains. Nevertheless, even state-of-the-art techniques cannot provide the time performance required for large data series…

Databases · Computer Science 2020-09-02 Botao Peng , Panagiota Fatourou , Themis Palpanas

A method is proposed to generate an optimal fit of a number of connected linear trend segments onto time-series data. To be able to efficiently handle many lines, the method employs a stochastic search procedure to determine optimal…

Quantitative Methods · Quantitative Biology 2017-04-11 Myrl G. Marmarelis

This paper proposes a new highly scalable and asymptotically optimal control synthesis algorithm from linear temporal logic specifications, called $\text{STyLuS}^{*}$ for large-Scale optimal Temporal Logic Synthesis, that is designed to…

Robotics · Computer Science 2020-04-09 Yiannis Kantaros , Michael M. Zavlanos

Through the last decade, we have witnessed a surge of Internet of Things (IoT) devices, and with that a greater need to choreograph their actions across both time and space. Although these two problems, namely time synchronization and…

Machine Learning · Computer Science 2017-11-13 Amr Alanwar , Henrique Ferraz , Kevin Hsieh , Rohit Thazhath , Paul Martin , Joao Hespanha , Mani Srivastava

Data series similarity search is an important operation and at the core of several analysis tasks and applications related to data series collections. Despite the fact that data series indexes enable fast similarity search, all existing…

Databases · Computer Science 2020-09-23 Michele Linardi , Themis Palpanas

Irregularly sampled multivariate time series (ISMTS) are prevalent in reality. Most existing methods treat ISMTS as synchronized regularly sampled time series with missing values, neglecting that the irregularities are primarily attributed…

Machine Learning · Computer Science 2024-12-03 Jiexi Liu , Meng Cao , Songcan Chen

Exact similarity search over large collections of data series is a fundamental operation in modern applications, yet existing solutions are often fragmented, specialized, or tailored to specific execution environments. In this paper, we…

Databases · Computer Science 2026-03-31 Francesca Del Gaudio , Manos Chatzakis , Gayathiri Ravendirane , Botao Peng , Themis Palpanas

Causal inference is a fundamental research topic for discovering the cause-effect relationships in many disciplines. However, not all algorithms are equally well-suited for a given dataset. For instance, some approaches may only be able to…

Machine Learning · Computer Science 2024-03-11 Zhipeng Ma , Marco Kemmerling , Daniel Buschmann , Chrismarie Enslin , Daniel Lütticke , Robert H. Schmitt

Identifying groups of similar objects using clustering approaches is one of the most frequently employed first steps in exploratory biomedical data analysis. Many clustering methods have been developed that pursue different strategies to…

Quantitative Methods · Quantitative Biology 2019-04-30 Christian Wiwie , Richard Röttger , Jan Baumbach

Sensors in cyber-physical systems often capture interconnected processes and thus emit correlated time series (CTS), the forecasting of which enables important applications. The key to successful CTS forecasting is to uncover the temporal…

Machine Learning · Computer Science 2023-02-28 Xinle Wu , Dalin Zhang , Miao Zhang , Chenjuan Guo , Bin Yang , Christian S. Jensen

As one of the most fundamental techniques in multimodal learning, cross-modal matching aims to project various sensory modalities into a shared feature space. To achieve this, massive and correctly aligned data pairs are required for model…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Shuo Yang , Zhaopan Xu , Kai Wang , Yang You , Hongxun Yao , Tongliang Liu , Min Xu

Co-clustering simultaneously clusters rows and columns, revealing more fine-grained groups. However, existing co-clustering methods suffer from poor scalability and cannot handle large-scale data. This paper presents a novel and scalable…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-20 Zihan Wu , Zhaoke Huang , Hong Yan

Seismic noise with an amplitude higher than that of the sought signal is a challenge for detection. Several techniques have been developed to suppress the ambient noise and to reduce the detection threshold in order to find signals with the…

Geophysics · Physics 2026-04-27 Ivan Kitov

Data series similarity search is a core operation for several data series analysis applications across many different domains. However, the state-of-the-art techniques fail to deliver the time performance required for interactive…

Databases · Computer Science 2020-09-03 Botao Peng , Panagiota Fatourou , Themis Palpanas

Apart from forming the backbone of compiler optimization, static dataflow analysis has been widely applied in a vast variety of applications, such as bug detection, privacy analysis, program comprehension, etc. Despite its importance,…

Programming Languages · Computer Science 2024-12-18 Zewen Sun , Yujin Zhang , Duanchen Xu , Yiyu Zhang , Yun Qi , Yueyang Wang , Yi Li , Zhaokang Wang , Yue Li , Xuandong Li , Zhiqiang Zuo , Qingda Lu , Wenwen Peng , Shengjian Guo

With the emerging Integrated Sensing and Communication (ISAC) technique, exploiting the mobile communication system with multi-domain resources, multiple network elements, and large-scale infrastructures to realize cooperative sensing is a…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Zhiqing Wei , Haotian Liu , Zhiyong Feng , Huici Wu , Fan Liu , Qixun Zhang , Yucong Du

Both the volume and the collection velocity of time series generated by monitoring sensors are increasing in the Internet of Things (IoT). Data management and analysis requires high quality and applicability of the IoT data. However, errors…

Databases · Computer Science 2021-01-07 Xiaoou Ding , Hongzhi Wang , Jiaxuan Su , Chen Wang