Výsledky vyhledávání - constant-time approximation algorithms

Improved Constant-Time Approximation Algorithms for Maximum Matchings and Other Optimization Problems Autor Yoshida, Yuichi, Yamamoto, Masaki, Ito, Hiro

“…We study constant-time approximation algorithms for bounded-degree graphs, which run in time independent of the number of vertices $n…”
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A framework for statistical clustering with constant time approximation algorithms for K-median and K-means clustering Autor Shai, Ben-David

“… In this setting, the input to a clustering algorithm is a sample generated i.i.d by some unknown arbitrary distribution…”
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Constant-Time Approximation Algorithms via Local Improvements Autor Nguyen, H.N., Onak, K.

“…We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution…”
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A framework for statistical clustering with constant time approximation algorithms for K-median and K -means clustering : Learning theory Autor BEN-DAVID, Shai

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Constant-Time Approximation Algorithms for the Optimum Branching Problem on Sparse Graphs Autor Kusumoto, M., Yoshida, Y., Ito, H.

“…We propose constant-time algorithms for approximating the weight of the maximum weight branching in the general graph model…”
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Optimal Constant-Time Approximation Algorithms and (Unconditional) Inapproximability Results for Every Bounded-Degree CSP Autor Yoshida, Yuichi

“… for it. In this paper, we show that similar results hold for constant-time approximation algorithms in the bounded-degree model…”
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On Perturbation Resilience of Non-uniform k-Center Autor Bandyapadhyay, Sayan

“… On the other hand, they designed a “bi-criteria” constant approximation algorithm that uses a constant times k balls…”
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No sublogarithmic-time approximation scheme for bipartite vertex cover Autor Göös, Mika, Suomela, Jukka

“…—that no sublogarithmic-time approximation scheme exists for the dual problem: there is a constant δ > 0 so that no randomised distributed algorithm with running time o ( log n ) can find a ( 1 + δ…”
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Distributed Approximate Matching Autor Lotker, Zvi, Patt-Shamir, Boaz, Rosén, Adi

“… Their main result is a randomized ... -approximation distributed algorithm for maximum weighted matching, whose running time is ... for any constant…”
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Near-Linear Time Constant-Factor Approximation Algorithm for Branch-Decomposition of Planar Graphs Autor Qian-Ping, Gu, Xu, Gengchun

“… and improves the previous \(\min\{O(n^{1+\epsilon}),O(nk^2)\}\) (\(\epsilon>0\) is a constant) time constant-factor approximations…”
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Online Scheduling with Bounded Migration Autor Sanders, Peter, Sivadasan, Naveen, Skutella, Martin

“… We also present a linear time "online approximation scheme," that is, a family of online algorithms with competitive ratio arbitrarily close to 1 and constant…”
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Constant-Time Dynamic \((\Delta+1)\)-Coloring and Weight Approximation for Minimum Spanning Forest: Dynamic Algorithms Meet Property Testing Autor Henzinger, Monika, Pan, Peng

“… testing can lead to constant-time fully dynamic graph algorithms we prove the following results: (1…”
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Constant time approximation scheme for largest well predicted subset Autor Fu, Bin, Wang, Lusheng

“…The largest well predicted subset problem is formulated for comparison of two predicted 3D protein structures from the same sequence. A 3D protein structure is…”
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Local Graph Partitions for Approximation and Testing Autor Hassidim, A., Kelner, J.A., Nguyen, H.N., Onak, K.

“…We introduce a new tool for approximation and testing algorithms called partitioning oracles…”
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Set covering in fuel-considered vehicle routing problems Autor Song, Liang, Chen, Haibin, Gu, Hao, Huang, Hejiao, Du, Hongwei

“… We give a bicriteria approximation algorithm for this problem. Secondly, we study the set covering in the FVRP with distance constraint and constant time windows (FVRP-CTW…”
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Tiling and PCA Strategy for Clustering-Based High-Dimensional Gaussian Filtering Autor Oishi, Sou, Fukushima, Norishige

“… We accelerate HDGF by clustering-based constant-time algorithm, which has O ( K ) order for convolution, where K is the number of clusters…”
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Finding diameter-reducing shortcuts in trees Autor Bilò, Davide, Gualà, Luciano, Leucci, Stefano, Pepè Sciarria, Luca

“…>0, we design a linear-time (1+ε)-approximation algorithm for paths when k=o(log⁡n), thus establishing a dichotomy between paths and trees for k…”
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Almost Stable Matchings by Truncating the Gale–Shapley Algorithm Autor Floréen, Patrik, Kaski, Petteri, Polishchuk, Valentin, Suomela, Jukka

“… We apply our results to give a distributed (2+ ε )-approximation algorithm for maximum-weight matching in bicoloured graphs and a centralised randomised constant-time approximation scheme for estimating the size of a stable matching…”
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Click efficiency: a unified optimal ranking for online Ads and documents Autor Balakrishnan, Raju, Kambhampati, Subbarao

“…Ranking of search results and ads has traditionally been studied separately. The probability ranking principle is commonly used to rank the search results…”
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A modified Milstein scheme for approximation of stochastic delay differential equations with constant time lag Autor Hofmann, Norbert, Müller-Gronbach, Thomas

“…We introduce a modified Milstein scheme for pathwise approximation of scalar stochastic delay differential equations with constant time lag on a fixed finite time interval…”
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