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A mathematical characterization of serially-pruned permutations (SPPs) employed in variable-length permuters and their associated fast pruning algorithms and architectures are proposed. Permuters are used in many signal processing systems…

信息论 · 计算机科学 2014-10-21 Mohammad M. Mansour

We develop an optimization framework for identifying ideal Mixed Binary Linear Programs (MBLP) which is linear when using known input data and nonconvex quadratic over parametric input data. These techniques are applied to various…

最优化与控制 · 数学 2024-07-09 Jamie Fravel , Robert Hildebrand

Robust tensor completion (RTC) aims to recover a low-rank tensor from its incomplete observation with outlier corruption. The recently proposed tensor ring (TR) model has demonstrated superiority in solving the RTC problem. However, the…

机器学习 · 计算机科学 2023-02-16 Zhenhao Huang , Yuning Qiu , Xinqi Chen , Weijun Sun , Guoxu Zhou

Retrieval augmentation addresses many critical problems in large language models such as hallucination, staleness, and privacy leaks. However, running retrieval-augmented language models (LMs) is slow and difficult to scale due to…

计算与语言 · 计算机科学 2024-05-06 Qingqing Cao , Sewon Min , Yizhong Wang , Hannaneh Hajishirzi

Variational formulations of reconstruction in computed tomography have the notable drawback of requiring repeated evaluations of both the forward Radon transform and either its adjoint or an approximate inverse transform which are…

数值分析 · 数学 2017-05-23 Richard C. Barnard , Rick Archibald

Current state-of-the-art methods for differentially private model training are based on matrix factorization techniques. However, these methods suffer from high computational overhead because they require numerically solving a demanding…

机器学习 · 计算机科学 2025-06-16 Nikita P. Kalinin , Christoph Lampert

Tree kernels have been proposed to be used in many areas as the automatic learning of natural language applications. In this paper, we propose a new linear time algorithm based on the concept of weighted tree automata for SubTree kernel…

计算与语言 · 计算机科学 2023-02-03 Ludovic Mignot , Faissal Ouardi , Djelloul Ziadi

Bayesian Additive Regression Trees(BART) is a Bayesian nonparametric approach which has been shown to be competitive with the best modern predictive methods such as random forest and Gradient Boosting Decision Tree.The sum of trees…

应用统计 · 统计学 2021-08-27 Hao Ran , Yang Bai

The use of machine learning algorithms in finance, medicine, and criminal justice can deeply impact human lives. As a consequence, research into interpretable machine learning has rapidly grown in an attempt to better control and fix…

机器学习 · 计算机科学 2021-02-02 Thibaut Vidal , Toni Pacheco , Maximilian Schiffer

Binarized neural networks, or BNNs, show great promise in edge-side applications with resource limited hardware, but raise the concerns of reduced accuracy. Motivated by the complex neural networks, in this paper we introduce complex…

神经与进化计算 · 计算机科学 2021-04-21 Yanfei Li , Tong Geng , Ang Li , Huimin Yu

This paper proposes the recursive and square-root BLS algorithms to improve the original BLS for new added inputs, which utilize the inverse and inverse Cholesky factor of the Hermitian matrix in the ridge inverse, respectively, to update…

机器学习 · 计算机科学 2023-01-26 Hufei Zhu

Treemaps have been widely applied to the visualization of hierarchical data. A treemap takes a weighted tree and visualizes its leaves in a nested planar geometric shape, with sub-regions partitioned such that each sub-region has an area…

图形学 · 计算机科学 2023-09-01 Mehdi Behroozi , Reyhaneh Mohammadi , Cody Dunne

In this paper, we derive new computational techniques for residue number systems (RNS) based Barrett algorithm (BA). The focus of the work is an algorithm that carries out the entire computation using only modular arithmetic without…

数论 · 数学 2016-02-05 Hari K. Garg , Hanshen Xiao

In phylogenetics, a central problem is to infer the evolutionary relationships between a set of species $X$; these relationships are often depicted via a phylogenetic tree -- a tree having its leaves univocally labeled by elements of $X$…

数据结构与算法 · 计算机科学 2016-04-12 Julien Baste , Christophe Paul , Ignasi Sau , Celine Scornavacca

Binary decision diagram (BDD) and zero-suppressed binary decision diagram (ZDD) are data structures to represent a family of (sub)sets compactly, and it can be used as succinct indexes for a family of sets. To build BDD/ZDD representing a…

数据结构与算法 · 计算机科学 2024-10-01 Kengo Nakamura , Masaaki Nishino , Shuhei Denzumi

The binary-forking model is a parallel computation model, formally defined by Blelloch et al. very recently, in which a thread can fork a concurrent child thread, recursively and asynchronously. The model incurs a cost of $\Theta(\log n)$…

数据结构与算法 · 计算机科学 2020-09-04 Zafar Ahmad , Rezaul Chowdhury , Rathish Das , Pramod Ganapathi , Aaron Gregory , Mohammad Mahdi Javanmard

We address the problem of learning binary decision trees that partition data for some downstream task. We propose to learn discrete parameters (i.e., for tree traversals and node pruning) and continuous parameters (i.e., for tree split…

机器学习 · 计算机科学 2021-06-15 Valentina Zantedeschi , Matt J. Kusner , Vlad Niculae

Trees are fundamental data structure for many areas of computer science and system engineering. In this report, we show how to ensure eventual consistency of optimistically replicated trees. In optimistic replication, the different replicas…

数据结构与算法 · 计算机科学 2012-01-10 Stéphane Martin , Mehdi Ahmed-Nacer , Pascal Urso

The binary indexed tree, or Fenwick tree, is a data structure that can efficiently update values and calculate prefix sums in an array. It allows both of these operations to be performed in $O(\log_2 N)$ time. Here we present a novel data…

数据结构与算法 · 计算机科学 2024-03-08 Brent Harrison , Jason Necaise , Andrew Projansky , James D. Whitfield

This paper introduces a new combinatorial framework for modeling the growth of binary trees through a discrete evolution process that incorporates a growing rule and an extinction rule. Building upon the theory of increasingly labeled…

组合数学 · 数学 2026-03-30 Olivier Bodini , Antoine Genitrini , Khaydar Nurligareev