Search Results - "Sublinear time algorithm"
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On Las Vegas approximations for metric 1-median selection
ISSN: 0020-0190, 1872-6119Published: Elsevier B.V 01.06.2019Published in Information processing letters (01.06.2019)“…Consider the problem of finding a point in a metric space ({1,2,…,n},d) with the minimum sum of distances to all points. We show that this problem has a…”
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A lower bound for metric 1-median selection
ISSN: 0022-0000, 1090-2724Published: Elsevier Inc 01.03.2017Published in Journal of computer and system sciences (01.03.2017)“…Consider the problem of finding a point in an n-point metric space with the minimum average distance to all points. We show that this problem has no…”
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Sublinear Time Algorithm for Online Weighted Bipartite Matching
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 12.02.2024Published in arXiv.org (12.02.2024)“…Online bipartite matching is a fundamental problem in online algorithms. The goal is to match two sets of vertices to maximize the sum of the edge weights,…”
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A deterministic sublinear-time nonadaptive algorithm for metric 1-median selection
ISSN: 0304-3975, 1879-2294Published: Elsevier B.V 18.10.2015Published in Theoretical computer science (18.10.2015)“…We give a deterministic O(hn1+1/h)-time (2h)-approximation nonadaptive algorithm for 1-median selection in n-point metric spaces, where h∈Z+∖{1} is arbitrary…”
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Fast Neighborhood Rendezvous
ISSN: 2575-8411Published: IEEE 01.11.2020Published in Proceedings of the International Conference on Distributed Computing Systems (01.11.2020)“…In the rendezvous problem, two computing entities (called agents) located at different vertices in a graph have to meet at the same vertex. In this paper, we…”
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Conference Proceeding -
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On approximating metric 1-median in sublinear time
ISSN: 0020-0190, 1872-6119Published: Amsterdam Elsevier B.V 01.04.2014Published in Information processing letters (01.04.2014)“… •A deterministic sublinear time algorithm for approximating metric 1-median.•A scheme allowing trade-off between computation time and approximation ratio…”
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Deterministic sublinear-time approximations for metric 1-median selection
ISSN: 0020-0190, 1872-6119Published: Amsterdam Elsevier B.V 30.04.2013Published in Information processing letters (30.04.2013)“…Given oracle access to an n-point metric space (M,d), let metric 1-median be the problem of finding argminx∈M∑y∈Md(x,y), breaking ties arbitrarily. We show…”
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A Simple Sublinear-Time Algorithm for Counting Arbitrary Subgraphs via Edge Sampling
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 19.11.2018Published in arXiv.org (19.11.2018)“…\); the goal is to estimate the number of occurrences of \(H\) in \(G\). Our focus here is on designing sublinear-time algorithms for approximately counting occurrences of \(H\) in \(G…”
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Evaluating a sublinear-time algorithm for the Minimum Spanning Tree Weight problem
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 27.01.2017Published in arXiv.org (27.01.2017)“…We present an implementation and an experimental evaluation of an algorithm that, given a connected graph G (represented by adjacency lists), estimates in…”
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A Near-Optimal Sublinear-Time Algorithm for Approximating the Minimum Vertex Cover Size
Published: Philadelphia Society for Industrial and Applied Mathematics 01.01.2012Published in Society for Industrial and Applied Mathematics and Association for Computing Machinery. Proceeding of the ACM-SIAM Symposium on Discrete Algorithms (01.01.2012)“…We give a nearly optimal sublinear-time algorithm for approximating the size of a minimum vertex cover in a graph G…”
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Conference Proceeding -
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Almost Optimal Sublinear Time Algorithm for Semidefinite Programming
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 26.08.2012Published in arXiv.org (26.08.2012)“…We present an algorithm for approximating semidefinite programs with running time that is sublinear in the number of entries in the semidefinite instance. We…”
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Exposure-Resilient Extractors and the Derandomization of Probabilistic Sublinear Time
ISSN: 1016-3328, 1420-8954Published: Basel SP Birkhäuser Verlag Basel 01.05.2008Published in Computational complexity (01.05.2008)“… There exists a positive constant α < 1 such that for any function T ( n ) ≤ n α and for any problem L ∈ BPTIME( T ( n )), there exists a deterministic…”
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A Near-Optimal Sublinear-Time Algorithm for Approximating the Minimum Vertex Cover Size
ISSN: 2331-8422Published: Ithaca Cornell University Library, arXiv.org 05.10.2011Published in arXiv.org (05.10.2011)“…We give a nearly optimal sublinear-time algorithm for approximating the size of a minimum vertex cover in a graph G…”
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Sublinear time width-bounded separators and their application to the protein side-chain packing problem
ISSN: 1382-6905, 1573-2886Published: Boston Springer US 01.05.2008Published in Journal of combinatorial optimization (01.05.2008)“… . In particular, c 3 =1.209. To our best knowledge, this is the first sublinear time algorithm for finding geometric separators…”
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Separating sublinear time computations by approximate diameter
ISSN: 1382-6905, 1573-2886Published: Boston Springer US 01.11.2009Published in Journal of combinatorial optimization (01.11.2009)“…We study the problem of separating sublinear time computations via approximating the diameter for a sequence S = p 1 p 2 ⋅⋅⋅ p n of points in a metric space,…”
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A radar signal sorting algorithm based on improved k-means dynamic clustering and sub linear time algorithm
Published: IEEE 01.06.2017Published in 2017 First International Conference on Electronics Instrumentation and Information Systems (EIIS) (01.06.2017)“…In order to meet the need of real time, electromagnetic environment became more and more complex and increasing signal flow density, a radar signal sorting…”
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Conference Proceeding -
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Sublinear Time Algorithms
ISSN: 0895-4801, 1095-7146Published: Philadelphia Society for Industrial and Applied Mathematics 01.01.2011Published in SIAM journal on discrete mathematics (01.01.2011)“…Sublinear time algorithms represent a new paradigm in computing, where an algorithm must give some sort of an answer after inspecting only a very small portion of the input…”
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Sublinear-Time Algorithms for Counting Star Subgraphs via Edge Sampling
ISSN: 0178-4617, 1432-0541Published: New York Springer US 01.02.2018Published in Algorithmica (01.02.2018)“…We study the problem of estimating the value of sums of the form S p ≜ ∑ x i p when one has the ability to sample x i ≥ 0 with probability proportional to its…”
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Sublinear-Time Algorithms for Compressive Phase Retrieval
ISSN: 0018-9448, 1557-9654Published: New York IEEE 01.11.2020Published in IEEE transactions on information theory (01.11.2020)“… of <inline-formula> <tex-math notation="LaTeX">v\in \mathbb {C} ^{n} </tex-math></inline-formula> coordinate-wise. In this paper we present sublinear-time algorithms…”
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Sublinear time algorithms for approximate semidefinite programming
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.07.2016Published in Mathematical programming (01.07.2016)“…We consider semidefinite optimization in a saddle point formulation where the primal solution is in the spectrahedron and the dual solution is a distribution…”
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