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Compressed Counting (CC), based on maximally skewed stable random projections, was recently proposed for estimating the p-th frequency moments of data streams. The case p->1 is extremely useful for estimating Shannon entropy of data…

数据结构与算法 · 计算机科学 2009-10-09 Ping Li

Contrast pattern mining (CPM) aims to discover patterns whose support increases significantly from a background dataset compared to a target dataset. CPM is particularly useful for characterising changes in evolving systems, e.g., in…

网络与互联网体系结构 · 计算机科学 2020-12-01 Elaheh AlipourChavary , Sarah M. Erfani , Christopher Leckie

Data sketches balance resource efficiency with controllable approximations for extracting features in high-volume, high-rate data. Two important points of interest are highlighted separately in recent works; namely, to (1) answer multiple…

数据结构与算法 · 计算机科学 2025-07-08 Martin Hilgendorf , Marina Papatriantafilou

In Terminal Monitoring Set (TMS), the input is an undirected graph $G=(V,E)$, together with a collection $T$ of terminal pairs and the goal is to find a subset $S$ of minimum size that hits a shortest path between every pair of terminals.…

离散数学 · 计算机科学 2024-06-05 N. R. Aravind , Roopam Saxena

Cosmological studies of large-scale structure have relied on two-point statistics, not fully exploiting the rich structure of the cosmic web. In this paper we show how to capture some of this cosmic web information by using the minimum…

宇宙学与河外天体物理 · 物理学 2019-12-03 Krishna Naidoo , Lorne Whiteway , Elena Massara , Davide Gualdi , Ofer Lahav , Matteo Viel , Héctor Gil-Marín , Andreu Font-Ribera

With the increasing rate of data generated by critical systems, estimating functions on streaming data has become essential. This demand has driven numerous advancements in algorithms designed to efficiently query and analyze one or more…

数据库 · 计算机科学 2024-05-16 Mike Heddes , Igor Nunes , Tony Givargis , Alex Nicolau

Recent work has explored transforming data sets into smaller, approximate summaries in order to scale Bayesian inference. We examine a related problem in which the parameters of a Bayesian model are very large and expensive to store in…

机器学习 · 计算机科学 2018-10-03 Joseph Tassarotti , Jean-Baptiste Tristan , Michael Wick

Count distinct or cardinality estimates are widely used in network monitoring for security. They can be used, for example, to detect the malware spread, network scans, or a denial of service attack. There are many algorithms to estimate…

密码学与安全 · 计算机科学 2023-03-07 Pedro Reviriego , Daniel Ting

The Quantum Internet will allow clients to delegate quantum workloads to remote servers over heterogeneous networks, but choosing the server that minimizes end-to-end execution time is difficult because server processing, feedforward…

量子物理 · 物理学 2026-02-25 Masaki Nagai , Hideaki Kawaguchi , Shin Nishio , Takahiko Satoh

Large, distributed data streams are now ubiquitous. High-accuracy sketches with low memory overhead have become the de facto method for analyzing this data. For instance, if we wish to group data by some label and report the largest counts…

数据结构与算法 · 计算机科学 2024-02-14 Homin K. Lee , Charles Masson

FPGA technology can offer significantly hi\-gher performance at much lower power consumption than is available from CPUs and GPUs in many computational problems. Unfortunately, programming for FPGA (using ha\-rdware description languages,…

其他计算机科学 · 计算机科学 2015-10-01 Artur Gramacki , Marek Sawerwain , Jarosław Gramacki

Modern data stream applications demand memory-efficient solutions for accurately tracking frequent items, such as heavy hitters and heavy changers, under strict resource constraints. Traditional sketches face inherent accuracy-memory…

数据库 · 计算机科学 2025-05-20 Zicang Xu , Yuxuan Tian , Yuhan Wu , Tong Yang

The upgrade of the LHC to the High-Luminosity LHC (HL-LHC) is expected to increase the current instantaneous luminosity by a factor of 5 to 7, providing the opportunity to study rare processes and measure precisely the standard model…

仪器与探测器 · 物理学 2020-02-07 Patrick Asenov

To approximate sums of values in key-value data streams, sketches are widely used in databases and networking systems. They offer high-confidence approximations for any given key while ensuring low time and space overhead. While existing…

数据结构与算法 · 计算机科学 2024-06-04 Yuhan Wu , Hanbo Wu , Xilai Liu , Yikai Zhao , Tong Yang , Kaicheng Yang , Sha Wang , Lihua Miao , Gaogang Xie

We introduce a novel algorithm to perform graph clustering in the edge streaming setting. In this model, the graph is presented as a sequence of edges that can be processed strictly once. Our streaming algorithm has an extremely low memory…

机器学习 · 计算机科学 2017-12-13 Alexandre Hollocou , Julien Maudet , Thomas Bonald , Marc Lelarge

Algorithms in the data stream model use $O(polylog(N))$ space to compute some property of an input of size $N$, and many of these algorithms are implemented and used in practice. However, sketching algorithms in the graph semi-streaming…

数据结构与算法 · 计算机科学 2025-04-25 Michael A. Bender , Martín Farach-Colton , Riko Jacob , Hanna Komlós , David Tench , Evan West

We propose OverSketch, an approximate algorithm for distributed matrix multiplication in serverless computing. OverSketch leverages ideas from matrix sketching and high-performance computing to enable cost-efficient multiplication that is…

分布式、并行与集群计算 · 计算机科学 2019-02-25 Vipul Gupta , Shusen Wang , Thomas Courtade , Kannan Ramchandran

(Abridged version) The CMS experiment at the LHC will begin operation in 2007. The CMS Tracker sub-detector, comprises ~10 million detector channels read out by ~40 000 analog optical links. The optoelectronic components have been designed…

仪器与探测器 · 物理学 2010-05-03 Stefanos Dris

Representation learning using network embedding has received tremendous attention due to its efficacy to solve downstream tasks. Popular embedding methods (such as deepwalk, node2vec, LINE) are based on a neural architecture, thus unable to…

社会与信息网络 · 计算机科学 2021-09-23 Debajyoti Bera , Rameshwar Pratap , Bhisham Dev Verma , Biswadeep Sen , Tanmoy Chakraborty

This paper presents an in-depth analysis of Intel's Haswell microarchitecture for streaming loop kernels. Among the new features examined is the dual-ring Uncore design, Cluster-on-Die mode, Uncore Frequency Scaling, core improvements as…

分布式、并行与集群计算 · 计算机科学 2015-11-16 Johannes Hofmann , Dietmar Fey , Jan Eitzinger , Georg Hager , Gerhard Wellein