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Long-term traffic emission forecasting is crucial for the comprehensive management of urban air pollution. Traditional forecasting methods typically construct spatiotemporal graph models by mining spatiotemporal dependencies to predict…

机器学习 · 计算机科学 2025-08-19 Yan Wu , Lihong Pei , Yukai Han , Yang Cao , Yu Kang , Yanlong Zhao

This paper presents and analyzes two robust, efficient, and optimally accurate fully discrete finite element algorithms for computing the parameterized Navier-Stokes Equations (NSEs) flow ensemble. The timestepping algorithms are…

数值分析 · 数学 2024-10-22 Neethu Suma Raveendran , Md Abdul Aziz , Muhammad Mohebujjaman

Accurate, detailed, and high-frequent bathymetry is crucial for shallow seabed areas facing intense climatological and anthropogenic pressures. Current methods utilizing airborne or satellite optical imagery to derive bathymetry primarily…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Panagiotis Agrafiotis , Begüm Demir

Due to limited evidence and complex causes of regional climate change, the confidence in predicting fluvial floods remains low. Understanding the fundamental mechanisms intrinsic to geo-spatiotemporal information is crucial to improve the…

机器学习 · 计算机科学 2021-02-10 Aishwarya Sarkar , Jien Zhang , Chaoqun Lu , Ali Jannesari

This paper proposes a novel class of data-driven acceleration methods for steady-state flow field solvers. The core innovation lies in predicting and assigning the asymptotic limit value for each parameter during iterations based on its own…

流体动力学 · 物理学 2025-07-08 Zikun Liu , Xukun Wang , Yilang Liu , Weiwei Zhang

Learning representation from relative similarity comparisons, often called ordinal embedding, gains rising attention in recent years. Most of the existing methods are batch methods designed mainly based on the convex optimization, say, the…

机器学习 · 统计学 2018-02-01 Ke Ma , Jinshan Zeng , Jiechao Xiong , Qianqian Xu , Xiaochun Cao , Wei Liu , Yuan Yao

Supply chain resilience and efficiency are vital in industries characterized by volatile demand and uncertain supply, such as textiles and personal protective equipment (PPE). Traditional forecasting and optimization approaches often…

Reliable long-horizon prediction remains a challenge for data-driven CFD surrogates, because offline-trained models accumulate autoregressive errors and lose accuracy when operating conditions change. This work develops a divergence-aware…

流体动力学 · 物理学 2026-05-26 Xiangrui Zou , Zhuoqun Zhao , Guillermo Barragán , Soledad Le Clainche

Stable partitioned techniques for simulating unsteady fluid-structure interaction (FSI) are known to be computationally expensive when high added-mass is involved. Multiple coupling strategies have been developed to accelerate these…

计算工程、金融与科学 · 计算机科学 2025-02-18 Azzeddine Tiba , Thibault Dairay , Florian de Vuyst , Iraj Mortazavi , Juan-Pedro Berro Ramirez

Feature engineering is required to obtain better results for time series forecasting, and decomposition is a crucial one. One decomposition approach often cannot be used for numerous forecasting tasks since the standard time series…

机器学习 · 计算机科学 2022-10-10 Liwang Zhou , Jing Gao

The reconstruction and prediction of full-state flows from sparse data are of great scientific and engineering significance yet remain challenging, especially in applications where data are sparse and/or subjected to noise. To this end,…

流体动力学 · 物理学 2023-12-08 Jiaxin Wu , Dunhui Xiao , Min Luo

Hydropower dams and reservoirs have been identified as the main factors redefining natural hydrological cycles. Therefore, monitoring water status in reservoirs plays a crucial role in planning and managing water resources, as well as…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Thai-Bao Duong-Nguyen , Thien-Nu Hoang , Phong Vo , Hoai-Bac Le

This study presents a novel approach for decomposing urban water demand patterns using Skewed Gaussian Distributions (SGD) to derive behavioral insights and support operational planning. Hourly demand profiles contain critical information…

机器学习 · 计算机科学 2025-05-27 Roy Elkayam

We present an analysis of an adaptive time-stepping scheme for the Super-Droplet Method (SDM), a Monte Carlo algorithm for simulating particle coagulation. SDM represents cloud droplets as weighted superdroplets, enabling high-fidelity…

大气与海洋物理 · 物理学 2025-09-09 Emma Ware , Piotr Bartman-Szwarc , Adele L. Igel , Sylwester Arabas

Monitoring wastewater pump stations is essential because they are critical infrastructure. However, monitoring is still often performed manually due to the lack of suitable algorithmic methods and data. This paper introduces a…

系统与控制 · 电气工程与系统科学 2025-11-17 Katayoun Eshkofti , Henrik Sandberg , Mikael Nilsson , Matthieu Barreau

A novel hybrid spectral difference/embedded finite volume method is introduced in order to apply a discontinuous high-order method for large scale engineering applications involving discontinuities in the flows with complex geometries. In…

数值分析 · 数学 2015-05-20 Jung J. Choi

Soil moisture (SM) plays a critical role in hydrological and meteorological processes. High-resolution SM can be obtained by combining coarse passive microwave data with fine-scale auxiliary variables. However, the inversion of SM at the…

机器学习 · 计算机科学 2025-10-14 Ziyu Zhou , Keyan Hu , Ling Zhang , Zhaohui Xue , Yutian Fang , Yusha Zheng

Urban flooding triggered by intense rainfall is becoming increasingly frequent and widespread. While flood prediction and monitoring in high spatio-temporal resolution are desired, practical constraints in time, budget, and technology…

人工智能 · 计算机科学 2026-05-26 Zihang Ding , Amit Kumar , Imran Md. Azizul Islam , Mila Avellar Montezuma , Ruihang Zhang , Kun Zhang

As the issue of freshwater shortage is increasing daily, it is critical to take effective measures for water conservation. According to previous studies, device level consumption could lead to significant freshwater conservation. Existing…

机器学习 · 计算机科学 2018-08-29 Bingsheng Wang , Xuchao Zhang , Chang-Tien Lu , Feng Chen

Large-scale recommendation systems often adopt cascading architecture consisting of retrieval, pre-ranking, ranking, and re-ranking stages. With strict latency requirements, pre-ranking utilizes lightweight models to perform a preliminary…

信息检索 · 计算机科学 2025-02-17 Binglei Zhao , Houying Qi , Guang Xu , Mian Ma , Xiwei Zhao , Feng Mei , Sulong Xu , Jinghe Hu
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