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检索条件"主题词=Randomized Algorithms"
1412 条 记 录,以下是141-150 订阅
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randomized approaches to accelerate MCMC algorithms for Bayesian inverse problems
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JOURNAL OF COMPUTATIONAL PHYSICS 2021年 440卷 110391-110391页
作者: Saibaba, Arvind K. Prasad, Pranjal de Sturler, Eric Miller, Eric Kilmer, Misha E. North Carolina State Univ Dept Math Raleigh NC 27513 USA Virginia Tech Dept Math Blacksburg VA 24061 USA Tufts Univ Dept Elect & Comp Engn Medford MA 02155 USA Tufts Univ Dept Math Medford MA 02155 USA
Markov chain Monte Carlo (MCMC) approaches are traditionally used for uncertainty quantification in inverse problems where the physics of the underlying sensor modality is described by a partial differential equation ... 详细信息
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randomized distributed online algorithms against adaptive offline adversaries
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INFORMATION PROCESSING LETTERS 2020年 161卷 105973-105973页
作者: Boyar, Joan Ellen, Faith Larsen, Kim S. Univ Southern Denmark Dept Math & Comp Sci Campusvej 55 DK-5230 Odense M Denmark Univ Toronto Dept Comp Sci 10 Kings Coll Rd Toronto ON M5S 3G4 Canada
In the sequential setting, a decades-old fundamental result in online algorithms states that if there is a c-competitive randomized online algorithm against an adaptive, offline adversary, then there is a c-competitiv... 详细信息
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Efficient randomized tensor-based algorithms for function approximation and low-rank kernel interactions
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ADVANCES IN COMPUTATIONAL MATHEMATICS 2022年 第5期48卷 66-66页
作者: Saibaba, Arvind K. Minster, Rachel Kilmer, Misha E. North Carolina State Univ Dept Math Raleigh NC 27695 USA Wake Forest Univ Dept Comp Sci Winston Salem NC 27101 USA Tufts Univ Dept Math Medford MA 02155 USA
In this paper, we introduce a method for multivariate function approximation using function evaluations, Chebyshev polynomials, and tensor-based compression techniques via the Tucker format. We develop novel randomize... 详细信息
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randomized protocols for duplicate elimination in peer-to-peer storage systems
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IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS 2007年 第5期18卷 686-696页
作者: Ferreira, Ronaldo A. Ramanathan, Murali K. Grama, Ananth Jagannathan, Suresh Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA
Distributed peer-to-peer systems rely on voluntary participation of peers to effectively manage a storage pool. In such systems, data is generally replicated for performance and availability. If the storage associated... 详细信息
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randomized splay trees: Theoretical and experimental results
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INFORMATION PROCESSING LETTERS 2002年 第4期81卷 213-221页
作者: Albers, S Karpinski, M Univ Dortmund Lehrstuhl Informat 2 D-44221 Dortmund Germany Univ Bonn Dept Comp Sci D-53117 Bonn Germany
Splay trees are self-organizing binary search trees that were introduced by Sleator and Tarjan [J. ACM 32 (1985) 652-686]. In this paper we present a randomized variant of these trees. The new algorithm for reorganizi... 详细信息
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A PRACTICAL randomized CP TENSOR DECOMPOSITION
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SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS 2018年 第2期39卷 876-901页
作者: Battaglino, Casey Ballard, Grey Kolda, Tamara G. Georgia Inst Technol Computat Sci & Engn Atlanta GA 30332 USA Wake Forest Univ Comp Sci Winston Salem NC 27109 USA Sandia Natl Labs Livermore CA 94551 USA
The CANDECOMP/ PARAFAC (CP) decomposition is a leading method for the analysis of multiway data. The standard alternating least squares algorithm for the CP decomposition (CP-ALS) involves a series of highly overdeter... 详细信息
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randomized EXTENDED KACZMARZ FOR SOLVING LEAST SQUARES
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SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS 2013年 第2期34卷 773-793页
作者: Zouzias, Anastasios Freris, Nikolaos M. Univ Toronto Dept Comp Sci Toronto ON Canada Ecole Polytech Fed Lausanne Sch Comp & Commun Sci IC CH-1015 Lausanne Switzerland
We present a randomized iterative algorithm that exponentially converges in the mean square to the minimum l(2)-norm least squares solution of a given linear system of equations. The expected number of arithmetic oper... 详细信息
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Fighting fire with fire: Using randomized gossip combat stochastic scalability limits
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QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL 2002年 第3期18卷 165-184页
作者: Gupta, I Birman, KP Van Renesse, R Cornell Univ Dept Comp Sci Ithaca NY 14853 USA
The mechanisms used to improve the reliability of distributed systems often limit performance and scalability. Focusing on one widely-used definition of reliability, we explore the origins of this phenomenon and concl... 详细信息
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Complexity of solving nonlinear equations in the deterministic, randomized and quantum settings
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APPLIED MATHEMATICS AND COMPUTATION 2013年 224卷 652-662页
作者: Gocwin, Maciej Kacewicz, Boleslaw AGH Univ Sci & Technol Fac Appl Math PL-30059 Krakow Poland
We consider the root finding of a real-valued function f defined on the d-dimensional unit cube. We assume that f has r continuous partial derivatives, with all partial derivatives of order r being Holder functions wi... 详细信息
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randomized routing, selection, and sorting on the OTIS-mesh
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IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS 1998年 第9期9卷 833-840页
作者: Rajasekaran, S Sahni, S Univ Florida Dept Comp Sci & Informat Engn Gainesville FL 32611 USA
The Optical Transpose Interconnection System (OTIS) is a recently proposed model of computing that exploits the special features of both electronic and optical technologies. in this paper we present efficient algorith... 详细信息
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