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» Sparse matrix factorization on massively parallel computers
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IOPADS
1996
87views more  IOPADS 1996»
14 years 11 months ago
Structured Permuting in Place on Parallel Disk Systems
The ability to perform permutations of large data sets in place reduces the amount of necessary available disk storage. The simplest way to perform a permutation often is to read ...
Leonard F. Wisniewski
EGC
2009
Springer
14 years 7 months ago
Discrepancy Analysis of Complex Objects Using Dissimilarities
Abstract. In this article we consider objects for which we have a matrix of dissimilarities and we are interested in their links with covariates. We focus on state sequences for wh...
Matthias Studer, Gilbert Ritschard, Alexis Gabadin...
CIMAGING
2009
184views Hardware» more  CIMAGING 2009»
14 years 10 months ago
Fast space-varying convolution and its application in stray light reduction
Space-varying convolution often arises in the modeling or restoration of images captured by optical imaging systems. For example, in applications such as microscopy or photography...
Jianing Wei, Guangzhi Cao, Charles A. Bouman, Jan ...
JPDC
1998
124views more  JPDC 1998»
14 years 9 months ago
Multilevel k-way Partitioning Scheme for Irregular Graphs
In this paper we present a parallel formulation of a multilevel k-way graph partitioning algorithm. A key feature of this parallel formulation is that it is able to achieve a high ...
George Karypis, Vipin Kumar
JMLR
2010
106views more  JMLR 2010»
14 years 4 months ago
Improving posterior marginal approximations in latent Gaussian models
We consider the problem of correcting the posterior marginal approximations computed by expectation propagation and Laplace approximation in latent Gaussian models and propose cor...
Botond Cseke, Tom Heskes