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TSP
2008
178views more  TSP 2008»
13 years 7 months ago
Heteroscedastic Low-Rank Matrix Approximation by the Wiberg Algorithm
Abstract--Low-rank matrix approximation has applications in many fields, such as 2D filter design and 3D reconstruction from an image sequence. In this paper, one issue with low-ra...
Pei Chen
EUROPAR
2009
Springer
14 years 7 days ago
Two-Dimensional Matrix Partitioning for Parallel Computing on Heterogeneous Processors Based on Their Functional Performance Mod
Abstract. The functional performance model (FPM) of heterogeneous processors has proven to be more realistic than the traditional models because it integrates many important featur...
Alexey L. Lastovetsky, Ravi Reddy
INTERACT
2007
13 years 9 months ago
MatLink: Enhanced Matrix Visualization for Analyzing Social Networks
Abstract. Visualizing social networks presents challeges for both nodelink and adjacency matrix representations. Social networks are locally dense, which makes node-link displays u...
Nathalie Henry, Jean-Daniel Fekete
ICPP
2008
IEEE
14 years 2 months ago
Improving the Performance of Multithreaded Sparse Matrix-Vector Multiplication Using Index and Value Compression
Abstract—The Sparse Matrix-Vector Multiplication kernel exhibits limited potential for taking advantage of modern shared memory architectures due to its large memory bandwidth re...
Kornilios Kourtis, Georgios I. Goumas, Nectarios K...
MFCS
2005
Springer
14 years 1 months ago
Reconstructing an Ultrametric Galled Phylogenetic Network from a Distance Matrix
Abstract. Given a distance matrix M that specifies the pairwise evolutionary distances between n species, the phylogenetic tree reconstruction problem asks for an edge-weighted ph...
Ho-Leung Chan, Jesper Jansson, Tak Wah Lam, Siu-Mi...