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The problem of broad practical interest in spatiotemporal data analysis, i.e., discovering interpretable dynamic patterns from spatiotemporal data, is studied in this paper. Towards this end, we develop a time-varying reduced-rank vector…

机器学习 · 计算机科学 2022-11-29 Xinyu Chen , Chengyuan Zhang , Xiaoxu Chen , Nicolas Saunier , Lijun Sun

Smoothing operation to make continuous density field from observed point-like distribution of galaxies is crucially important for topological or morphological analysis of the large-scale structure, such as, the genus statistics or the area…

天体物理学 · 物理学 2016-08-30 Naoki Seto

Air quality prediction is key to mitigating health impacts and guiding decisions, yet existing models tend to focus on temporal trends while overlooking spatial generalization. We propose AQ-Net, a spatiotemporal reanalysis model for both…

机器学习 · 计算机科学 2026-04-13 Ammar Kheder , Benjamin Foreback , Lili Wang , Zhi-Song Liu , Michael Boy

Accurate and robust simultaneous localization and mapping (SLAM) is crucial for autonomous mobile systems, typically achieved by leveraging the geometric features of the environment. Incorporating semantics provides a richer scene…

机器人学 · 计算机科学 2025-07-22 Neng Wang , Huimin Lu , Zhiqiang Zheng , Hesheng Wang , Yun-Hui Liu , Xieyuanli Chen

Pumped-storage hydropower plants (PSH) actively participate in grid power-frequency control and therefore often operate under dynamic conditions, which results in rapidly varying system states. Predicting these dynamically changing states…

机器学习 · 计算机科学 2024-08-22 Raffael Theiler , Olga Fink

Spatio-temporal clustering occupies an established role in various fields dealing with geospatial analysis, spanning from healthcare analysis to environmental science. One major challenge are applications in which cluster assignments are…

统计计算 · 统计学 2023-11-09 Ben Moews , Antonia Gieschen

Water demand is a highly important variable for operational control and decision making. Hence, the development of accurate forecasts is a valuable field of research to further improve the efficiency of water utilities. Focusing on…

应用统计 · 统计学 2020-05-12 Jens Kley-Holsteg , Florian Ziel

Spatial data is playing an emerging role in new technologies such as web and mobile mapping and Geographic Information Systems (GIS). Important decisions in political, social and many other aspects of modern human life are being made using…

数据库 · 计算机科学 2016-05-17 Bagher Saberi , Nasser Ghadiri

Data warehouse store and provide access to large volume of historical data supporting the strategic decisions of organisations. Data warehouse is based on a multidimensional model which allow to express user's needs for supporting the…

数据库 · 计算机科学 2012-08-02 Saida Aissi , Mohamed Salah Gouider

Living environments play a vital role in the prevalence and progression of diseases, and understanding their impact on patient's health status becomes increasingly crucial for developing AI models. However, due to the lack of long-term and…

机器学习 · 计算机科学 2025-06-18 Yuanlong Wang , Pengqi Wang , Changchang Yin , Ping Zhang

Many IoT systems are data intensive and are for the purpose of monitoring for fault detection and diagnosis of critical systems. A large volume of data steadily come out of a large number of sensors in the monitoring system. Thus, we need…

分布式、并行与集群计算 · 计算机科学 2019-02-12 Shuai Zhang , Wenxi Zeng , I-Ling Yen , Farokh B. Bastani

Global hydrological and land surface models are increasingly used for tracking terrestrial total water storage (TWS) dynamics, but the utility of existing models is hampered by conceptual and/or data uncertainties related to various…

Streams and rivers are biodiverse and provide valuable ecosystem services. Maintaining these ecosystems is an important task, so organisations often monitor the status and trends in stream condition and biodiversity using field sampling…

Current merged precipitation products such as IMERG, GSMAP, and CMORPH combine satellite estimates from passive microwave (PMW) and infrared (IR) observations. However, the different information content of these sensors makes it challenging…

大气与海洋物理 · 物理学 2026-05-11 Simon Pfreundschuh , Christian D. Kummerow , Jackson Tan , George J. Huffman

Thank you very much for the attention and concern of colleagues and scholars in this work. With the comments and guidance of experts, editors, and reviewers, this work has been accepted for publishing in the journal "Process Safety and…

机器学习 · 计算机科学 2023-10-06 Hao Ren , Xiaojun Liang , Chunhua Yang , Zhiwen Chen , Weihua Gui

The ubiquity of missing data in urban intelligence systems, attributable to adverse environmental conditions and equipment failures, poses a significant challenge to the efficacy of downstream applications, notably in the realms of traffic…

机器学习 · 计算机科学 2026-05-25 Songyu Ke , Chenyu Wu , Yuxuan Liang , Huiling Qin , Junbo Zhang , Yu Zheng

The modeling of atmospheric processes in the context of weather and climate simulations is an important and computationally expensive challenge. The temporal integration of the underlying PDEs requires a very large number of time steps,…

数值分析 · 数学 2020-01-03 Francois P. Hamon , Martin Schreiber , Michael L. Minion

Long-term time-series forecasting is critical for environmental monitoring, yet water quality prediction remains challenging due to complex periodicity, nonstationarity, and abrupt fluctuations induced by ecological factors. These…

机器学习 · 计算机科学 2025-08-13 Ziqi Wang , Hailiang Zhao , Cheng Bao , Wenzhuo Qian , Yuhao Yang , Xueqiang Sun , Shuiguang Deng

To ensure an efficient and environmentally friendly water resource management, water management associations need means for efficient water monitoring as well as novel strategies to reduce the pollution of surface and ground water.…

分布式、并行与集群计算 · 计算机科学 2021-12-30 Sebastian Drost , Arne Vogt , Christian Danowski-Buhren , Simon Jirka , Verena Kirstein , Kian Pakzad , Matthes Rieke

Numerical modeling of the intensity and evolution of flood events are affected by multiple sources of uncertainty such as precipitation and land surface conditions. To quantify and curb these uncertainties, an ensemble-based simulation and…

地球物理 · 物理学 2023-02-17 Junyu Wei , Xiangyu Luo , Weihong Liao , Xiaohui Lei , Jianshi Zhao , Haocheng Huang , Hao Wang