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In the class of streaming anomaly detection algorithms for univariate time series, the size of the sliding window over which various statistics are calculated is an important parameter. To address the anomalous variation in the scale of the…

应用统计 · 统计学 2017-06-22 B Ravi Kiran

Some mission critical systems, e.g., fraud detection, require accurate, real-time metrics over long time sliding windows on applications that demand high throughput and low latencies. As these applications need to run 'forever' and cope…

分布式、并行与集群计算 · 计算机科学 2021-06-25 Ana Sofia Gomes , João Oliveirinha , Pedro Cardoso , Pedro Bizarro

In query optimisation accurate cardinality estimation is essential for finding optimal query plans. It is especially challenging for RDF due to the lack of explicit schema and the excessive occurrence of joins in RDF queries. Existing…

数据库 · 计算机科学 2018-01-22 Xin Wang , Eugene Siow , Aastha Madaan , Thanassis Tiropanis

A speed scaling problem is considered, where time is divided into slots, and jobs with payoff $v$ arrive at the beginning of the slot with associated deadlines $d$. Each job takes one slot to be processed, and multiple jobs can be processed…

数据结构与算法 · 计算机科学 2017-11-15 Goonwanth Reddy , Rahul Vaze

Distributed gradient descent (DGD) is an efficient way of implementing gradient descent (GD), especially for large data sets, by dividing the computation tasks into smaller subtasks and assigning to different computing servers (CSs) to be…

信息论 · 计算机科学 2018-11-29 Emre Ozfatura , Deniz Gunduz , Sennur Ulukus

A continual learning (CL) algorithm learns from a non-stationary data stream. The non-stationarity is modeled by some schedule that determines how data is presented over time. Most current methods make strong assumptions on the schedule and…

机器学习 · 计算机科学 2022-10-17 Ruohan Wang , Marco Ciccone , Giulia Luise , Andrew Yapp , Massimiliano Pontil , Carlo Ciliberto

A streaming graph is a graph formed by a sequence of incoming edges with time stamps. Unlike static graphs, the streaming graph is highly dynamic and time related. In the real world, the high volume and velocity streaming graphs such as…

数据结构与算法 · 计算机科学 2019-01-28 Fan Zhang , Lei Zou , Li Zeng , Xiangyang Gou

This paper presents Rudra, a parameter server based distributed computing framework tuned for training large-scale deep neural networks. Using variants of the asynchronous stochastic gradient descent algorithm we study the impact of…

机器学习 · 统计学 2016-12-07 Suyog Gupta , Wei Zhang , Fei Wang

This study introduces a novel approach to enhance the spatial-temporal resolution of time-event pixels based on luminance changes captured by event cameras. These cameras present unique challenges due to their low resolution and the sparse,…

图像与视频处理 · 电气工程与系统科学 2024-08-14 Waseem Shariff , Joe Lemley , Peter Corcoran

Structural clustering is one of the most popular graph clustering methods, which has achieved great performance improvement by utilizing GPUs. Even though, the state-of-the-art GPU-based structural clustering algorithm, GPUSCAN, still…

数据库 · 计算机科学 2023-12-01 Long Yuan , Zeyu Zhou , Xuemin Lin , Zi Chen , Xiang Zhao , Fan Zhang

3D perception in point clouds is transforming the perception ability of future intelligent machines. Point cloud algorithms, however, are plagued by irregular memory accesses, leading to massive inefficiencies in the memory sub-system,…

硬件体系结构 · 计算机科学 2022-04-25 Yu Feng , Gunnar Hammonds , Yiming Gan , Yuhao Zhu

Dimension reduction is often an important step in the analysis of high-dimensional data. PCA is a popular technique to find the best low-dimensional approximation of high-dimensional data. However, classical PCA is very sensitive to…

统计计算 · 统计学 2019-01-14 Holger Cevallos-Valdiviezo , Stefan Van Aelst

Real-world graphs often manifest as a massive temporal stream of edges. The need for real-time analysis of such large graph streams has led to progress on low memory, one-pass streaming graph algorithms. These algorithms were designed for…

数据结构与算法 · 计算机科学 2014-10-16 Madhav Jha , C. Seshadhri , Ali Pinar

Gaussian Splatting (GS) is a popular approach for 3D reconstruction, mostly due to its ability to converge reasonably fast, faithfully represent the scene and render (novel) views in a fast fashion. However, it suffers from large storage…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Anil Armagan , Albert Saà-Garriga , Bruno Manganelli , Kyuwon Kim , M. Kerim Yucel

Simultaneous Localization and Mapping (SLAM) is one of the most important environment-perception and navigation algorithms for computer vision, robotics, and autonomous cars/drones. Hence, high quality and fast mapping becomes a fundamental…

We introduce GRay, a massively parallel integrator designed to trace the trajectories of billions of photons in a curved spacetime. This GPU-based integrator employs the stream processing paradigm, is implemented in CUDA C/C++, and runs on…

天体物理仪器与方法 · 物理学 2015-06-15 Chi-kwan Chan , Dimitrios Psaltis , Feryal Ozel

The share of the top 500 supercomputers with NVIDIA GPUs is now over 25% and continues to grow. While fault tolerance is a critical issue for supercomputing, there does not currently exist an efficient, scalable solution for CUDA…

分布式、并行与集群计算 · 计算机科学 2020-08-25 Twinkle Jain , Gene Cooperman

In recent decades, large-scale sky surveys such as Sloan Digital Sky Survey (SDSS) have resulted in generation of tremendous amount of data. The classification of this enormous amount of data by astronomers is time consuming. To simplify…

天体物理仪器与方法 · 物理学 2022-11-02 Sarvesh Gharat , Yogesh Dandawate

Scaling global aggregations is a challenge for exactly-once stream processing systems. Current systems implement these either by computing the aggregation in a single task instance, or by static aggregation trees, which limits scalability…

分布式、并行与集群计算 · 计算机科学 2025-10-30 Jonas Spenger , Kolya Krafeld , Ruben van Gemeren , Philipp Haller , Paris Carbone

Serverless computing has emerged as a compelling solution for cloud-based model inference. However, as modern large language models (LLMs) continue to grow in size, existing serverless platforms often face substantial model startup…

分布式、并行与集群计算 · 计算机科学 2026-03-09 Minchen Yu , Rui Yang , Chaobo Jia , Zhaoyuan Su , Sheng Yao , Tingfeng Lan , Yuchen Yang , Zirui Wang , Yue Cheng , Wei Wang , Ao Wang , Ruichuan Chen