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Graph condensation reduces the size of large graphs while preserving performance, addressing the scalability challenges of Graph Neural Networks caused by computational inefficiencies on large datasets. Existing methods often rely on…

机器学习 · 计算机科学 2025-10-10 Lin Wang , Qing Li

Machine learning plays an important role in the operation of current wind energy production systems. One central application is predictive maintenance to increase efficiency and lower electricity costs by reducing downtimes. Integrating…

机器学习 · 计算机科学 2024-04-08 Johannes Exenberger , Matteo Di Salvo , Thomas Hirsch , Franz Wotawa , Gerald Schweiger

Wind power forecasting helps with the planning for the power systems by contributing to having a higher level of certainty in decision-making. Due to the randomness inherent to meteorological events (e.g., wind speeds), making highly…

机器学习 · 计算机科学 2023-01-04 Syed Kazmi , Berk Gorgulu , Mucahit Cevik , Mustafa Gokce Baydogan

Reliable 4D aircraft trajectory prediction, whether in a real-time setting or for analysis of counterfactuals, is important to the efficiency of the aviation system. Toward this end, we first propose a highly generalizable efficient…

机器学习 · 计算机科学 2019-01-01 Yulin Liu , Mark Hansen

Point cloud processing is a computational bottleneck in autonomous driving systems, especially for real-time applications, while energy efficiency remains a critical system constraint. This work presents FPPS, an FPGA-accelerated point…

硬件体系结构 · 计算机科学 2026-03-02 Xiaofeng Zhou , Linfeng Du , Hanwei Fan , Wei Zhang

We propose a hybrid tree algorithm for reducing calculation and communication cost of collision-less N-body simulations. The concept of our algorithm is that we split interaction force into two parts: hard-force from neighbor particles and…

天体物理仪器与方法 · 物理学 2014-06-25 Tsuyoshi Watanabe , Naohito Nakasato

In this study, we present an end-to-end pipeline capable of converting drone-captured video streams into high-fidelity 3D reconstructions with minimal latency. Unmanned aerial vehicles (UAVs) are extensively used in aerial real-time…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Christos Maikos , Georgios Angelidis , Georgios Th. Papadopoulos

k-nearest neighbor graph is a key data structure in many disciplines such as manifold learning, machine learning and information retrieval, etc. NN-Descent was proposed as an effective solution for the graph construction problem. However,…

分布式、并行与集群计算 · 计算机科学 2021-03-30 Hui Wang , Wan-Lei Zhao , Xiangxiang Zeng

Fast k-Nearest Neighbor search over real-valued vector spaces (KNN) is an important algorithmic task for information retrieval and recommendation systems. We present a method for using reduced precision to represent vectors through…

信息检索 · 计算机科学 2021-10-19 Anthony Ko , Iman Keivanloo , Vihan Lakshman , Eric Schkufza

The recent trend of using Graphics Processing Units (GPU's) for high performance computations is driven by the high ratio of price performance for these units, complemented by their cost effectiveness. At first glance, computational fluid…

计算工程、金融与科学 · 计算机科学 2018-02-13 Kiril S. Shterev

Graph Neural Networks (GNNs) are proven to be powerful models to generate node embedding for downstream applications. However, due to the high computation complexity of GNN inference, it is hard to deploy GNNs for large-scale or real-time…

机器学习 · 计算机科学 2021-05-11 Hongkuan Zhou , Ajitesh Srivastava , Hanqing Zeng , Rajgopal Kannan , Viktor Prasanna

Simulations of physical phenomena are essential to the expedient design of precision components in aerospace and other high-tech industries. These phenomena are often described by mathematical models involving partial differential equations…

计算物理 · 物理学 2017-01-05 Daniel Magee , Kyle E Niemeyer

Renewable energy has received strong attention and investment to replace fossil energy sources and reduce greenhouse gas emissions. Quite good and good wind speed areas have been invested in building large-capacity wind farms for many…

流体动力学 · 物理学 2023-11-21 Le Quang Sang , Dinh Van Thin , Nguyen Huu Duc , Nguyen Duc Minh , Doan Hong Quan , Le Thi Thuy Hang

Convolutional Neural Networks (CNNs) are state-of-the-art in numerous computer vision tasks such as object classification and detection. However, the large amount of parameters they contain leads to a high computational complexity and…

机器学习 · 计算机科学 2019-01-01 Ghouthi Boukli Hacene , Vincent Gripon , Matthieu Arzel , Nicolas Farrugia , Yoshua Bengio

Wind farm design primarily depends on the variability of the wind turbine wake flows to the atmospheric wind conditions, and the interaction between wakes. Physics-based models that capture the wake flow-field with high-fidelity are…

机器学习 · 计算机科学 2021-11-17 S. Ashwin Renganathan , Romit Maulik , Stefano Letizia , Giacomo Valerio Iungo

We present a data-driven optimization framework that aims to address online adaptation of the flight path shape for an airborne wind energy system (AWE) that follows a repetitive path to generate power. Specifically, Bayesian optimization,…

系统与控制 · 电气工程与系统科学 2020-11-18 Ali Baheri , Chris Vermillion

In the era of big data, k-means clustering has been widely adopted as a basic processing tool in various contexts. However, its computational cost could be prohibitively high as the data size and the cluster number are large. It is well…

机器学习 · 计算机科学 2017-05-05 Cheng-Hao Deng , Wan-Lei Zhao

Video annotation is a critical and time-consuming task in computer vision research and applications. This paper presents a novel annotation pipeline that uses pre-extracted features and dimensionality reduction to accelerate the temporal…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Alexandru Bobe , Jan C. van Gemert

K-nearest neighbor search is one of the fundamental tasks in various applications and the hierarchical navigable small world (HNSW) has recently drawn attention in large-scale cloud services, as it easily scales up the database while…

硬件体系结构 · 计算机科学 2022-07-13 Ji-Hoon Kim , Yeo-Reum Park , Jaeyoung Do , Soo-Young Ji , Joo-Young Kim

Gaussian process (GP) regression provides a strategy for accelerating saddle point searches on high-dimensional energy surfaces by reducing the number of times the energy and its derivatives with respect to atomic coordinates need to be…

化学物理 · 物理学 2025-12-03 Rohit Goswami , Hannes Jónsson