中文
相关论文

相关论文: Randomized Computations on Large Data Sets: Tight …

200 篇论文

Sampling is a basic operation in many inference-time algorithms of large language models (LLMs). To scale up inference efficiently with a limited compute, it is crucial to find an optimal allocation for sample compute budgets: Which…

计算与语言 · 计算机科学 2024-10-31 Kexun Zhang , Shang Zhou , Danqing Wang , William Yang Wang , Lei Li

We show new lower bounds on the sample complexity of $(\varepsilon, \delta)$-differentially private algorithms that accurately answer large sets of counting queries. A counting query on a database $D \in (\{0,1\}^d)^n$ has the form "What…

密码学与安全 · 计算机科学 2018-10-25 Mark Bun , Jonathan Ullman , Salil Vadhan

Adjoint algorithmic differentiation by operator and function overloading is based on the interpretation of directed acyclic graphs resulting from evaluations of numerical simulation programs. The size of the computer system memory required…

数学软件 · 计算机科学 2022-07-15 Uwe Naumann

In this paper, we consider an approach to the parallelizing of the algorithms realizing the modified probability changigng method with adaptation and partial rollback procedure for constrained pseudo-Boolean optimization problems. Existing…

分布式、并行与集群计算 · 计算机科学 2012-09-03 Lev Kazakovtsev

Motivated by online advertisement and exchange settings, greedy randomized algorithms for the maximum matching problem have been studied, in which the algorithm makes (random) decisions that are essentially oblivious to the input graph. Any…

数据结构与算法 · 计算机科学 2013-07-12 T-H. Hubert Chan , Fei Chen , Xiaowei Wu , Zhichao Zhao

The Local Computation Algorithm (LCA) model is a popular model in the field of sublinear-time algorithms that measures the complexity of an algorithm by the number of probes the algorithm makes in the neighborhood of one node to determine…

数据结构与算法 · 计算机科学 2021-12-06 Sebastian Brandt , Christoph Grunau , Václav Rozhoň

In this paper, we consider lower bounds on the query complexity for testing CSPs in the bounded-degree model. First, for any ``symmetric'' predicate $P:{0,1}^{k} \to {0,1}$ except \equ where $k\geq 3$, we show that every (randomized)…

数据结构与算法 · 计算机科学 2010-07-21 Yuichi Yoshida

When rows of an $n \times d$ matrix $A$ are given in a stream, we study algorithms for approximating the top eigenvector of the matrix ${A}^TA$ (equivalently, the top right singular vector of $A$). We consider worst case inputs $A$ but…

数据结构与算法 · 计算机科学 2024-12-17 Praneeth Kacham , David P. Woodruff

In this paper, assuming the low-degree conjecture, we provide evidence of computational hardness for two problems: (1) the (partial) matching recovery problem in the sparse correlated Erd\H{o}s-R\'enyi graphs $\mathcal G(n,q;\rho)$ when the…

机器学习 · 统计学 2025-12-30 Zhangsong Li

Deriving sharp and computable upper bounds of the Lipschitz constant of deep neural networks is crucial to formally guarantee the robustness of neural-network based models. We analyse three existing upper bounds written for the $l^2$ norm.…

机器学习 · 计算机科学 2024-10-29 Moreno Pintore , Bruno Després

We study the minimum number of constraints needed to formulate random instances of the maximum stable set problem via linear programs (LPs), in two distinct models. In the uniform model, the constraints of the LP are not allowed to depend…

计算复杂性 · 计算机科学 2016-10-26 Gábor Braun , Samuel Fiorini , Sebastian Pokutta

In this work, we establish the first separation between computation with bounded and unbounded space, for problems with short outputs (i.e., working memory can be exponentially larger than output size), both in the classical and the quantum…

计算复杂性 · 计算机科学 2026-04-07 Zihan Hao , Zikuan Huang , Qipeng Liu

We connect three distinct lines of research that have recently explored extensions of the classical LOCAL model of distributed computing: A. distributed quantum computing and non-signaling distributions [e.g. STOC 2024], B.…

We consider the problem of developing automated techniques for solving recurrence relations to aid the expected-runtime analysis of programs. Several classical textbook algorithms have quite efficient expected-runtime complexity, whereas…

编程语言 · 计算机科学 2017-05-02 Krishnendu Chatterjee , Hongfei Fu , Aniket Murhekar

We study *non-adaptive* Local Computation Algorithms (LCA). A reduction of Parnas and Ron (TCS'07) turns any distributed algorithm into a non-adaptive LCA. Plugging known distributed algorithms, this leads to non-adaptive LCAs for constant…

数据结构与算法 · 计算机科学 2025-05-05 Amir Azarmehr , Soheil Behnezhad , Alma Ghafari , Madhu Sudan

The question of what can be computed, and how efficiently, are at the core of computer science. Not surprisingly, in distributed systems and networking research, an equally fundamental question is what can be computed in a…

分布式、并行与集群计算 · 计算机科学 2016-04-01 Fabian Kuhn , Thomas Moscibroda , Roger Wattenhofer

We consider packing LP's with $m$ rows where all constraint coefficients are normalized to be in the unit interval. The n columns arrive in random order and the goal is to set the corresponding decision variables irrevocably when they…

数据结构与算法 · 计算机科学 2012-04-27 Marco Molinaro , R. Ravi

The paper studies the expectation of the inspection time in complex aging systems. Under reasonable assumptions, this problem is reduced to studying the expectation of the length of the shortest path in the directed degradation graph of the…

统计理论 · 数学 2016-02-16 Stephane Chretien , Franck Corset

We study the kernelized bandit problem, that involves designing an adaptive strategy for querying a noisy zeroth-order-oracle to efficiently learn about the optimizer of an unknown function $f$ with a norm bounded by $M<\infty$ in a…

机器学习 · 计算机科学 2022-03-15 Shubhanshu Shekhar , Tara Javidi

We present two first-order, sequential optimization algorithms to solve constrained optimization problems. We consider a black-box setting with a priori unknown, non-convex objective and constraint functions that have Lipschitz continuous…

最优化与控制 · 数学 2020-11-19 Abraham P. Vinod , Arie Israel , Ufuk Topcu