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» Algorithmics in Exponential Time
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STOC
2009
ACM
106views Algorithms» more  STOC 2009»
16 years 7 months ago
Max cut and the smallest eigenvalue
We describe a new approximation algorithm for Max Cut. Our algorithm runs in ~O(n2 ) time, where n is the number
Luca Trevisan
SIAMMA
2011
97views more  SIAMMA 2011»
14 years 9 months ago
Convergence Rates for Greedy Algorithms in Reduced Basis Methods
The reduced basis method was introduced for the accurate online evaluation of solutions to a parameter dependent family of elliptic partial differential equations. ly, it can be ...
Peter Binev, Albert Cohen, Wolfgang Dahmen, Ronald...
KDD
2010
ACM
199views Data Mining» more  KDD 2010»
15 years 10 months ago
Online discovery and maintenance of time series motifs
The detection of repeated subsequences, time series motifs, is a problem which has been shown to have great utility for several higher-level data mining algorithms, including clas...
Abdullah Mueen, Eamonn J. Keogh
ICALP
2001
Springer
15 years 11 months ago
Approximating the Minimum Spanning Tree Weight in Sublinear Time
We present a probabilistic algorithm that, given a connected graph G (represented by adjacency lists) of average degree d, with edge weights in the set {1, . . . , w}, and given a ...
Bernard Chazelle, Ronitt Rubinfeld, Luca Trevisan
ICML
2008
IEEE
16 years 7 months ago
Statistical models for partial membership
We present a principled Bayesian framework for modeling partial memberships of data points to clusters. Unlike a standard mixture model which assumes that each data point belongs ...
Katherine A. Heller, Sinead Williamson, Zoubin Gha...