573 search results - page 51 / 115 » On Wiedemann's Method of Solving Sparse Linear Systems |
KDD
2004
ACM
14 years 9 months ago
2004
ACM
We devise a boosting approach to classification and regression based on column generation using a mixture of kernels. Traditional kernel methods construct models based on a single...
BIRTHDAY
2010
Springer
14 years 2 months ago
2010
Springer
Abstract. Database preprocessing in order to create an index often permits considerable speedup in search compared to the iterated query of an unprocessed database. In this paper w...
ICDM
2009
IEEE
14 years 3 months ago
2009
IEEE
—We consider the problem of learning a linear combination of pre-specified kernel matrices in the Fisher discriminant analysis setting. Existing methods for such a task impose a...
ICAPR
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. This paper addresses the clustering problem of hidden dynamical systems behind observed multivariate sequences by assuming an interval-based temporal structure in the seq...
TSP
2010
13 years 3 months ago
2010
We consider efficient methods for the recovery of block-sparse signals--i.e., sparse signals that have nonzero entries occurring in clusters--from an underdetermined system of line...