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In this paper we provide improved running times and oracle complexities for approximately minimizing a submodular function. Our main result is a randomized algorithm, which given any submodular function defined on $n$-elements with range…

数据结构与算法 · 计算机科学 2019-09-11 Brian Axelrod , Yang P. Liu , Aaron Sidford

Monitoring of streamed data to detect abnormal behaviour (variously known as event detection, anomaly detection, change detection, or outlier detection) underlies many applications of the Internet of Things. There, one often collects data…

数据结构与算法 · 计算机科学 2022-02-21 Jakub Marecek , Stathis Maroulis , Vana Kalogeraki , Dimitrios Gunopulos

Evidential Deep Learning (EDL) is an emerging method for uncertainty estimation that provides reliable predictive uncertainty in a single forward pass, attracting significant attention. Grounded in subjective logic, EDL derives Dirichlet…

机器学习 · 计算机科学 2024-10-02 Mengyuan Chen , Junyu Gao , Changsheng Xu

Learning group representation is a commonly concerned issue in tasks where the basic unit is a group, set, or sequence. Previously, the research community tries to tackle it by aggregating the elements in a group based on an indicator…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Manyuan Zhang , Guanglu Song , Hang Zhou , Yu Liu

High-dimensional datasets often contain multiple meaningful clusterings in different subspaces. For example, objects can be clustered either by color, weight, or size, revealing different interpretations of the given dataset. A variety of…

机器学习 · 计算机科学 2025-04-08 Collin Leiber , Dominik Mautz , Claudia Plant , Christian Böhm

Data reduction is a fundamental challenge of modern technology, where classical statistical methods are not applicable because of computational limitations. We consider multiple linear regression for an extraordinarily large number of…

统计方法学 · 统计学 2025-05-30 Torsten Glemser , Rainer Schwabe

This is an up-to-date introduction to and overview of the Minimum Description Length (MDL) Principle, a theory of inductive inference that can be applied to general problems in statistics, machine learning and pattern recognition. While MDL…

统计方法学 · 统计学 2019-12-19 Peter Grünwald , Teemu Roos

This work studies the theoretical rules of feature selection in linear discriminant analysis (LDA), and a new feature selection method is proposed for sparse linear discriminant analysis. An $l_1$ minimization method is used to select the…

统计方法学 · 统计学 2013-04-23 Cheng Wang , Longbing Cao , Baiqi Miao

This Generalized Discriminant Analysis (GDA) has provided an extremely powerful approach to extracting non linear features. The network traffic data provided for the design of intrusion detection system always are large with ineffective…

密码学与安全 · 计算机科学 2009-11-05 Shailendra Singh , Sanjay Silakari

We initiate the probabilistic analysis of linear programming (LP) decoding of low-density parity-check (LDPC) codes. Specifically, we show that for a random LDPC code ensemble, the linear programming decoder of Feldman et al. succeeds in…

Vector Symbolic Architecture (VSA) is emerging in machine learning due to its efficiency, but they are hindered by issues of hyperdimensionality and accuracy. As a promising mitigation, the Low-Dimensional Computing (LDC) method…

机器学习 · 计算机科学 2025-03-18 Shijin Duan , Yejia Liu , Gaowen Liu , Ramana Rao Kompella , Shaolei Ren , Xiaolin Xu

This paper introduces a new algorithm for the fundamental problem of generating a random integer from a discrete probability distribution using a source of independent and unbiased random coin flips. We prove that this algorithm, which we…

统计计算 · 统计学 2020-07-03 Feras A. Saad , Cameron E. Freer , Martin C. Rinard , Vikash K. Mansinghka

Stochastic Boolean networks, or more generally, stochastic discrete networks, are an important class of computational models for molecular interaction networks. The stochasticity stems from the updating schedule. Standard updating schedules…

分子网络 · 定量生物学 2024-07-09 David Murrugarra , Jacob Miller , Alex Mueller

Software methods introduced for automated design of approximate implementations of arithmetic circuits rely on fast and accurate evaluation of approximate candidate implementations. To accelerate the evaluation of circuit error, we propose…

硬件体系结构 · 计算机科学 2022-08-29 Vojtech Mrazek

Recently in [1, 2], Ali-Akbar Bromideh introduced the Kullback-Leibler Divergence (KLD) test statistic in discrim- inating between two models. It was found that the Ratio Minimized Kulback-Leibler Divergence (RMKLD) works better than the…

统计方法学 · 统计学 2017-10-02 Papa Ngom , Jean de Dieu Nkurunziza , Carlos Simplice Ogouyandjou

Effective properties of materials with random heterogeneous structures are typically determined by homogenising the mechanical quantity of interest in a window of observation. The entire problem setting encompasses the solution of a local…

数值分析 · 数学 2021-10-22 Felipe Rocha , Simone Deparis , Pablo Antolin , Annalisa Buffa

Factor analysis, a classical multivariate statistical technique is popularly used as a fundamental tool for dimensionality reduction in statistics, econometrics and data science. Estimation is often carried out via the Maximum Likelihood…

最优化与控制 · 数学 2018-01-19 Koulik Khamaru , Rahul Mazumder

Deep Learning (DL) systems are key enablers for engineering intelligent applications due to their ability to solve complex tasks such as image recognition and machine translation. Nevertheless, using DL systems in safety- and…

软件工程 · 计算机科学 2020-02-11 Simos Gerasimou , Hasan Ferit Eniser , Alper Sen , Alper Cakan

In the classical non-adaptive group testing setup, pools of items are tested together, and the main goal of a recovery algorithm is to identify the "complete defective set" given the outcomes of different group tests. In contrast, the main…

信息论 · 计算机科学 2016-03-01 Abhay Sharma , Chandra R. Murthy

A determinantal point process (DPP) is a probabilistic model of set diversity compactly parameterized by a positive semi-definite kernel matrix. To fit a DPP to a given task, we would like to learn the entries of its kernel matrix by…

机器学习 · 统计学 2014-11-06 Jennifer Gillenwater , Alex Kulesza , Emily Fox , Ben Taskar