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In this paper, we address sorting networks that are constructed from comparators of arity $k > 2$. That is, in our setting the arity of the comparators -- or, in other words, the number of inputs that can be sorted at the unit cost -- is a…

计算复杂性 · 计算机科学 2022-08-18 Natalia Dobrokhotova-Maikova , Alexander Kozachinskiy , Vladimir Podolskii

To address growth challenges facing large Data Centers and supercomputing clusters a new construction is presented for scalable, high throughput, low latency networks. The resulting networks require 1.5-5 times fewer switches, 2-6 times…

信息论 · 计算机科学 2014-03-25 Ratko V. Tomic

Large-scale supervised classification algorithms, especially those based on deep convolutional neural networks (DCNNs), require vast amounts of training data to achieve state-of-the-art performance. Decreasing this data requirement would…

计算机视觉与模式识别 · 计算机科学 2016-06-15 Maya Kabkab , Azadeh Alavi , Rama Chellappa

A sorting network is a shortest path from 12...n to n...21 in the Cayley graph of S_n generated by nearest-neighbour swaps. We prove that for a uniform random sorting network, as n->infinity the space-time process of swaps converges to the…

概率论 · 数学 2011-11-10 Omer Angel , Alexander E. Holroyd , Dan Romik , Balint Virag

Previous work identifying depth-optimal $n$-channel sorting networks for $9\leq n \leq 16$ is based on exploiting symmetries of the first two layers. However, the naive generate-and-test approach typically applied does not scale. This paper…

数据结构与算法 · 计算机科学 2016-11-30 Michael Codish , Luis Cruz-Filipe , Peter Schneider-Kamp

We investigate distributed memory parallel sorting algorithms that scale to the largest available machines and are robust with respect to input size and distribution of the input elements. The main outcome is that four sorting algorithms…

分布式、并行与集群计算 · 计算机科学 2020-01-17 Michael Axtmann , Peter Sanders

We propose a similarity-based method, using the similarity between nodes, to address the problem of classification in partially labeled networks. The basic assumption is that two nodes are more likely to be categorized into the same class…

数据分析、统计与概率 · 物理学 2010-10-05 Qian-Ming Zhang , Ming-Sheng Shang , Linyuan Lu

Deep learning has recently demonstrated its ability to rival the human brain for visual object recognition. As datasets get larger, a natural question to ask is if existing deep learning architectures can be extended to handle the 50+K…

机器学习 · 计算机科学 2020-08-04 Sumanth Chennupati , Sai Nooka , Shagan Sah , Raymond W Ptucha

We consider the problem of error control in a coded, multicast network, focusing on the scenario where the errors can occur only on a proper subset of the network edges. We model this problem via an adversarial noise, presenting a formal…

信息论 · 计算机科学 2022-05-31 Allison Beemer , Altan Berdan Kilic , Alberto Ravagnani

This paper studies new properties of the front and back ends of a sorting network, and illustrates the utility of these in the search for new bounds on optimal sorting networks. Search focuses first on the "outsides" of the network and then…

数据结构与算法 · 计算机科学 2017-08-09 Michael Codish , Luís Cruz-Filipe , Thorsten Ehlers , Mike Müller , Peter Schneider-Kamp

Almost every software system provides configuration options to tailor the system to the target platform and application scenario. Often, this configurability renders the analysis of every individual system configuration infeasible. To…

软件工程 · 计算机科学 2016-02-17 Flávio Medeiros , Christian Kästner , Márcio Ribeiro , Rohit Gheyi , Sven Apel

We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements from an underlying random process, code and transmit those…

信息论 · 计算机科学 2007-07-13 Nan Liu , Sennur Ulukus

A group of transition probability functions form a Shannon's channel whereas a group of truth functions form a semantic channel. Label learning is to let semantic channels match Shannon's channels and label selection is to let Shannon's…

机器学习 · 计算机科学 2018-05-04 Chenguang Lu

Many algorithms have been designed to remove node overlapping, and many quality criteria and associated metrics have been proposed to evaluate those algorithms. Unfortunately, a complete comparison of the algorithms based on some metrics…

计算几何 · 计算机科学 2019-09-09 Fati Chen , Laurent Piccinini , Pascal Poncelet , Arnaud Sallaberry

This paper aims to better understand the strengths and limitations of adopting learned-based approaches in sequential sorting numerical data, via two main research steps. First, we study different learned models for distribution-based…

数据结构与算法 · 计算机科学 2024-07-03 Paolo Ferragina , Mattia Odorisio

Current synoptic sky surveys monitor large areas of the sky to find variable and transient astronomical sources. As the number of detections per night at a single telescope easily exceeds several thousand, current detection pipelines make…

With the increasing deployment of machine learning models in many socially sensitive tasks, there is a growing demand for reliable and trustworthy predictions. One way to accomplish these requirements is to allow a model to abstain from…

机器学习 · 计算机科学 2024-09-19 Andrea Pugnana , Lorenzo Perini , Jesse Davis , Salvatore Ruggieri

Modern parcel logistic networks are designed to ship demand between given origin, destination pairs of nodes in an underlying directed network. Efficiency dictates that volume needs to be consolidated at intermediate nodes in typical…

离散数学 · 计算机科学 2023-11-10 Madison Van Dyk , Kim Klause , Jochen Koenemann , Nicole Megow

Learning to hash pictures a list-wise sorting problem. Its testing metrics, e.g., mean-average precision, count on a sorted candidate list ordered by pair-wise code similarity. However, scarcely does one train a deep hashing model with the…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Jiaguo Yu , Yuming Shen , Menghan Wang , Haofeng Zhang , Philip H. S. Torr

We consider the problem of computing the capacity of a coded, multicast network over a small alphabet. We introduce a novel approach to this problem based on mixed integer programming. As an application of our approach, we recover, extend…

信息论 · 计算机科学 2022-12-15 Christopher Hojny , Altan B. Kilic , Alberto Ravagnani