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The problem of estimating the number $n$ of distinct keys of a large collection of $N$ data is well known in computer science. A classical algorithm is the adaptive sampling (AS). $n$ can be estimated by $R.2^D$, where $R$ is the final…

数据结构与算法 · 计算机科学 2019-05-17 Matthew Drescher , Guy Louchard , Yvik Swan

It is a common practice to exploit pyramidal feature representation to tackle the problem of scale variation in object instances. However, most of them still predict the objects in a certain range of scales based solely or mainly on a…

计算机视觉与模式识别 · 计算机科学 2020-12-10 Zehui Gong , Dong Li

A fully Bayesian approach is proposed for ultrahigh-dimensional nonparametric additive models in which the number of additive components may be larger than the sample size, though ideally the true model is believed to include only a small…

统计方法学 · 统计学 2013-09-24 Zuofeng Shang , Ping Li

Binary neural networks (BNNs) that use 1-bit weights and activations have garnered interest as extreme quantization provides low power dissipation. By implementing BNNs as computing-in-memory (CIM), which computes multiplication and…

机器学习 · 计算机科学 2021-10-20 Minh-Son Le , Thi-Nhan Pham , Thanh-Dat Nguyen , Ik-Joon Chang

In this paper, we propose an adaptive orthogonal frequency-division multiplexing (OFDM) index modulation (IM) scheme for two-hop relay networks. In contrast to the traditional OFDM IM scheme with a deterministic and fixed mapping scheme, in…

信息论 · 计算机科学 2017-06-21 Shuping Dang , Justin P. Coon , Gaojie Chen

The recent rapid growth of the dimension of many datasets means that many approaches to dimension reduction (DR) have gained significant attention. High-performance DR algorithms are required to make data analysis feasible for big and fast…

机器学习 · 计算机科学 2021-11-09 Samudra Herath , Matthew Roughan , Gary Glonek

The raster model is commonly used for the representation of images in many domains, and is especially useful in Geographic Information Systems (GIS) to store information about continuous variables of the space (elevation, temperature,…

数据结构与算法 · 计算机科学 2019-11-20 Nieves R. Brisaboa , Ana Cerdeira-Pena , Guillermo de Bernardo , Gonzalo Navarro , Oscar Pedreira

In this note we describe experiments on an implementation of two methods proposed in the literature for computing regions that correspond to a notion of order statistics for multidimensional data. Our implementation, which works for any…

统计计算 · 统计学 2017-04-26 David L. Woodruff , Stefan Zillmann

A \emph{resizable array} is an array that can \emph{grow} and \emph{shrink} by the addition or removal of items from its end, or both its ends, while still supporting constant-time \emph{access} to each item stored in the array given its…

数据结构与算法 · 计算机科学 2023-05-30 Robert E. Tarjan , Uri Zwick

For every fixed $d \in \mathbb{N}$, we design a data structure that represents a binary $n \times n$ matrix that is $d$-twin-ordered. The data structure occupies $O_d(n)$ bits, which is the least one could hope for, and can be queried for…

数据结构与算法 · 计算机科学 2021-10-18 Michał Pilipczuk , Marek Sokołowski , Anna Zych-Pawlewicz

We consider the least-squares approximation of a matrix C in the set of doubly stochastic matrices with the same sparsity pattern as C. Our approach is based on applying the well-known Alternating Direction Method of Multipliers (ADMM) to a…

最优化与控制 · 数学 2019-10-14 Nikitas Rontsis , Paul J. Goulart

The Permutation Pattern Matching problem asks, given two permutations $\sigma$ on $n$ elements and $\pi$, whether $\sigma$ admits a subsequence with the same relative order as $\pi$ (or, in the counting version, how many such subsequences…

数据结构与算法 · 计算机科学 2021-08-27 Pawel Gawrychowski , Mateusz Rzepecki

The paper proposes an improved quantum associative algorithm with distributed query based on model proposed by Ezhov et al. We introduce two modifications of the query that optimized data retrieval of correct multi-patterns simultaneously…

量子物理 · 物理学 2015-06-04 J. -P. Tchapet Njafa , S. G. Nana Engo , Paul Woafo

In this paper we present new data structures for two extensively studied variants of the orthogonal range searching problem. First, we describe a data structure that supports two-dimensional orthogonal range minima queries in $O(n)$ space…

数据结构与算法 · 计算机科学 2020-07-23 Yakov Nekrich

For a machine learning paradigm to be generally applicable, it should have the property of universal approximation, that is, it should be able to approximate any target function to any desired degree of accuracy. In variational quantum…

量子物理 · 物理学 2026-01-30 Sydney Leither , Michael Kubal , Sonika Johri

This article introduces subbagging (subsample aggregating) estimation approaches for big data analysis with memory constraints of computers. Specifically, for the whole dataset with size $N$, $m_N$ subsamples are randomly drawn, and each…

统计方法学 · 统计学 2021-03-05 Tao Zou , Xian Li , Xuan Liang , Hansheng Wang

In this paper, a new and novel data structure is proposed to dynamically insert and delete segments. Unlike the standard segment trees[3], the proposed data structure permits insertion of a segment with interval range beyond the interval…

计算几何 · 计算机科学 2015-01-15 K. S. Easwarakumar , T. Hema

We consider the variable selection problem for two-sample tests, aiming to select the most informative variables to determine whether two collections of samples follow the same distribution. To address this, we propose a novel framework…

机器学习 · 统计学 2024-12-23 Jie Wang , Santanu S. Dey , Yao Xie

We consider the distributed version of the Multiple Knapsack Problem (MKP), where $m$ items are to be distributed amongst $n$ processors, each with a knapsack. We propose different distributed approximation algorithms with a tradeoff…

数据结构与算法 · 计算机科学 2017-02-06 Ananth Murthy , Chandan Yeshwanth , Shrisha Rao

We present a model of one-dimensional irreversible adsorption in which particles once adsorbed immediately shrink to a smaller size or expand to a larger size. Exact solutions for the fill factor and the particle number variance as a…

无序系统与神经网络 · 物理学 2007-05-23 Arsen V. Subashiev , Serge Luryi
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