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An important prerequisite for the analysis of spike synchrony in extracellular recordings is the extraction of single unit activity from the recorded multi unit signal. To identify single units (SUs), potential spikes are detected and…

神经元与认知 · 定量生物学 2018-11-01 Jeyathevy Sukiban , Nicole Voges , Till A. Dembek , Robin Pauli , Michael Denker , Immo Weber , Lars Timmermann , Sonja Grün

We present data-oblivious algorithms in the external-memory model for compaction, selection, and sorting. Motivation for such problems comes from clients who use outsourced data storage services and wish to mask their data access patterns.…

数据结构与算法 · 计算机科学 2011-03-29 Michael T. Goodrich

Sorting is one of the classic problems of computer science. Whilst well understood on sequential machines, the diversity of architectures amongst parallel systems means that algorithms do not perform uniformly on all platforms. This…

分布式、并行与集群计算 · 计算机科学 2007-05-23 Lex Weaver , Andrew Lynes

Sorting algorithms have attracted a great deal of attention and study, as they have numerous applications to Mathematics, Computer Science and related fields. In this thesis, we first deal with the mathematical analysis of the Quicksort…

数据结构与算法 · 计算机科学 2015-10-05 Vasileios Iliopoulos

When applying a stochastic algorithm, one must choose an order to draw samples. The practical choices are without-replacement sampling orders, which are empirically faster and more cache-friendly than uniform-iid-sampling but often have…

机器学习 · 计算机科学 2021-10-28 Xinmeng Huang , Kun Yuan , Xianghui Mao , Wotao Yin

We propose an $O(N\cdot M)$ sorting algorithm by Machine Learning method, which shows a huge potential sorting big data. This sorting algorithm can be applied to parallel sorting and is suitable for GPU or TPU acceleration. Furthermore, we…

机器学习 · 计算机科学 2018-08-16 Hanqing Zhao , Yuehan Luo

This paper aims at proposing a procedure to derive distributed algorithms for distributed consensus-based optimization by using distributed algorithms for network resource allocation and vice versa over switching networks with/without…

最优化与控制 · 数学 2022-08-04 Seyyed Shaho Alaviani , Atul Gajanan Kelkar , Umesh Vaidya

This paper discusses about a sorting algorithm which uses the concept of buckets where each bucket represents a certain number of digits. A two dimensional data structure is used where one dimension represents buckets i. e; number of digits…

数据结构与算法 · 计算机科学 2014-06-10 Ankit Chadha , Rishikesh Misal , Tanaya Mokashi , Aman Chadha

We present new algorithms for $M$-estimators of multivariate scatter and location and for symmetrized $M$-estimators of multivariate scatter. The new algorithms are considerably faster than currently used fixed-point and related algorithms.…

统计计算 · 统计学 2015-12-10 Lutz Duembgen , Klaus Nordhausen , Heike Schuhmacher

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

Emerging memory technologies have a significant gap between the cost, both in time and in energy, of writing to memory versus reading from memory. In this paper we present models and algorithms that account for this difference, with a focus…

数据结构与算法 · 计算机科学 2016-03-15 Guy E. Blelloch , Jeremy T. Fineman , Phillip B. Gibbons , Yan Gu , Julian Shun

Concerns regarding the scalability of the inter-domain routing have encouraged researchers to start elaborating a more robust Internet architecture. While consensus on the exact form of the solution is yet to be found, the need for a…

网络与互联网体系结构 · 计算机科学 2013-12-09 Florin Coras , Jordi Domingo-Pascual , Darrel Lewis , Albert Cabellos-Aparicio

We consider a simple approach to solving assortment optimization under the random utility maximization model. The approach uses Monte-Carlo simulation to construct a ranking-based choice model that serves as a proxy for the true choice…

最优化与控制 · 数学 2025-10-02 Hassaan Khalid , Bradley Sturt

Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-length encoding (RLE), such as Word-Aligned Hybrid (WAH)…

数据库 · 计算机科学 2016-08-02 Daniel Lemire , Owen Kaser , Kamel Aouiche

In computer science, sorting algorithms are crucial for data processing and machine learning. Large datasets and high efficiency requirements provide challenges for comparison-based algorithms like Quicksort and Merge sort, which achieve…

数据结构与算法 · 计算机科学 2024-10-01 Amin Amini

Content caching at the small-cell base stations (sBSs) in a heterogeneous wireless network is considered. A cost function is proposed that captures the backhaul link load called the `offloading loss', which measures the fraction of the…

信息论 · 计算机科学 2018-05-18 B. N. Bharath , K. G. Nagananda , D. Gündüz , H. Vincent Poor

A simple method for improving cache efficiency of serial and parallel explicit finite procedure with application to casting solidification simulation over three-dimensional complex geometries is presented. The method is based on division of…

分布式、并行与集群计算 · 计算机科学 2010-05-19 Ruhollah Tavakoli

In this paper we introduce RADULS2, the fastest parallel sorter based on radix algorithm. It is optimized to process huge amounts of data making use of modern multicore CPUs. The main novelties include: extremely optimized algorithm for…

数据结构与算法 · 计算机科学 2017-03-03 Marek Kokot , Sebastian Deorowicz , Maciej Dlugosz

We consider caching in cellular networks in which each base station is equipped with a cache that can store a limited number of files. The popularity of the files is known and the goal is to place files in the caches such that the…

网络与互联网体系结构 · 计算机科学 2017-11-27 Konstantin Avrachenkov , Jasper Goseling , Berksan Serbetci

There has been a recent surge of interest in studying permutation-based models for ranking from pairwise comparison data. Despite being structurally richer and more robust than parametric ranking models, permutation-based models are less…

机器学习 · 统计学 2017-10-31 Cheng Mao , Jonathan Weed , Philippe Rigollet