170 search results - page 6 / 34 » Cross-Composition: A New Technique for Kernelization Lower B... |
APPROX
2010
Springer
15 years 1 months ago
2010
Springer
Abstract. Given a directed graph G = (V, E) and an integer k 1, a ktransitive-closure-spanner (k-TC-spanner) of G is a directed graph H = (V, EH ) that has (1) the same transitive...
109
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COMPGEOM
1995
ACM
15 years 3 months ago
1995
ACM
We present a simple but powerful new probabilistic technique for analyzing the combinatorial complexity of various substructures in arrangements of piecewise-linear surfaces in hig...
172
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ICML
2004
IEEE
16 years 14 days ago
2004
IEEE
Principal component analysis (PCA) is a widely used statistical technique for unsupervised dimension reduction. K-means clustering is a commonly used data clustering for unsupervi...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
Direction Of Arrival (DOA) estimation, using a sensor array, in the presence of non-Gaussian noise using Fractional Lower-Order Moments (FLOM)matrices is studied. In this paper, a...
CORR
2010
Springer
14 years 11 months ago
2010
Springer
Abstract--We give sublinear-time approximation algorithms for some optimization problems arising in machine learning, such as training linear classifiers and finding minimum enclos...