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检索条件"主题词=Randomized algorithm"
628 条 记 录,以下是221-230 订阅
排序:
WEIGHTED FRACTIONAL AND INTEGRAL KAPPA-MATCHING IN HYPERGRAPHS
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DISCRETE APPLIED MATHEMATICS 1995年 第2-3期57卷 255-269页
作者: SRIVASTAV, A STANGIER, P UNIV COLOGNE INST INFORMATD-50969 COLOGNEGERMANY
We consider the problem of finding polynomial-time approximations of maximal weighted k-matchings in a hypergraph and investigate the relationship between the integral and fractional maxima of the corresponding 0-1 in... 详细信息
来源: 评论
Connected facility location via random facility sampling and core detouring
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JOURNAL OF COMPUTER AND SYSTEM SCIENCES 2010年 第8期76卷 709-726页
作者: Eisenbrand, Friedrich Grandoni, Fabrizio Rothvoss, Thomas Schafer, Guido Ecole Polytech Fed Lausanne Inst Math CH-1015 Lausanne Switzerland Univ Roma Tor Vergata Dipartimento Informat Sistemi & Prod I-00133 Rome Italy Ctr Wiskunde & Informat NL-1090 GB Amsterdam Netherlands
We present a simple randomized algorithmic framework for connected facility location problems. The basic idea is as follows: We run a black-box approximation algorithm for the unconnected facility location problem, ra... 详细信息
来源: 评论
Distributed and on-line routing on tori
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algorithmICA 2002年 第4期32卷 562-593页
作者: Yeh, TH Kuo, CM Lei, CL Yen, HC Natl Taiwan Univ Dept Elect Engn Taipei 10764 Taiwan
In this paper we study tire problem of assigning paths to packets oil N x N tori in an on-line and distributed fashion. By on-line we mean that the routing decisions must be made without any knowledge of future reques... 详细信息
来源: 评论
Streaming Histogram Publication over Weighted Sliding Windows Under Differential Privacy
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Tsinghua Science and Technology 2024年 第6期29卷 1674-1693页
作者: Xiujun Wang Lei Mo Xiao Zheng Zhe Dang School of Computer Science and Technology Anhui University of TechnologyMa’anshan 243032China Institute for Artificial Intelligence Hefei Comprehensive National Science CenterHefei 230088China Baosight Software(Anhui)Co.Ltd. Ma’anshan 243000China School of Electrical Engineering and Computer Science Washington State UniversityPullman 99164WAUSA
Continuously publishing histograms in data streams is crucial to many real-time applications,as it provides not only critical statistical information,but also reduces privacy leaking *** the importance of elements usu... 详细信息
来源: 评论
Practical algorithm Substitution Attacks on Real-World Public-Key Cryptosystems
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IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY 2023年 18卷 5069-5081页
作者: Jiang, Haodong Han, Jiang Zhang, Zhenfeng Ma, Zhi Wang, Hong Henan Key Lab Network Cryptog Technol Zhengzhou 450001 Henan Peoples R China Chinese Acad Sci Inst Software Beijing 100190 Peoples R China
The revelations about massive surveillance have created significant interest in algorithm substitution attack (ASA), where an honest implementation of a cryptographic primitive is replaced by a subverted one which can... 详细信息
来源: 评论
Time-optimal construction of overlay networks
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DISTRIBUTED COMPUTING 2023年 第3期36卷 313-347页
作者: Goette, Thorsten Hinnenthal, Kristian Scheideler, Christian Werthmann, Julian Paderborn Univ Dept Comp Sci Warburger Str 100 D-33098 Paderborn Germany
This article shows how to construct an overlay network of constant degree and diameter O(log n) in O(log n) time starting from an arbitrary weakly connected graph. We assume a synchronous communication network in whic... 详细信息
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Approximation algorithms for Cell Association and Scheduling in Femtocell Networks
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IEEE TRANSACTIONS ON EMERGING TOPICS IN COMPUTING 2015年 第3期3卷 432-443页
作者: Zhou, Hui Mao, Shiwen Agrawal, Prathima Auburn Univ Dept Elect & Comp Engn Auburn AL 36849 USA
Femtocells are recognized as effective for improving network coverage and capacity and for reducing power consumption due to the reduced range of wireless transmissions. Although highly appealing, a plethora of challe... 详细信息
来源: 评论
A general method for geometric feature matching and model extraction
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INTERNATIONAL JOURNAL OF COMPUTER VISION 2001年 第1期45卷 39-54页
作者: Olson, CF Univ Washington Dept Comp & Software Syst Bothell WA 98011 USA
Popular algorithms for feature matching and model extraction fall into two broad categories: generate-and-test and Hough transform variations. However, both methods suffer from problems in practical implementations. G... 详细信息
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Estimation of horizontal and vertical translations of large images based on columns and rows mean energy matching
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MULTIDIMENSIONAL SYSTEMS AND SIGNAL PROCESSING 2014年 第2期25卷 273-294页
作者: Skubalska-Rafajlowicz, Ewa Wroclaw Univ Technol Inst Comp Engn Automat & Robot PL-50370 Wroclaw Poland
In this paper mean energy lateral histograms have been developed and used for the translation of frames detection and for the estimation of a shift vector in large image frames. 2-D translation problem is solved by tw... 详细信息
来源: 评论
Abrasive waterjet machining simulation by SPH method
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INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 2010年 第1-4期50卷 227-234页
作者: Wang Jianming Gao Na Gong Wenjun Shandong Univ Sch Mech Engn Jinan 250061 Peoples R China
Abrasive waterjet machining (AWJM) is a non-conventional process. The mechanism of material removing in AWJM for ductile materials and existing erosion models are reviewed in this paper. To overcome the difficulties o... 详细信息
来源: 评论