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CSC
2010
14 years 10 months ago
Efficiency in Computing Correlation Matrix of Wavelet Coefficients by Exploiting Index Structure
Correlation matrices are ubiquitous throughout signal processing, networking and in many areas of science. However, our study of the literature found that there is limited research...
Claude Turner
IPPS
1999
IEEE
15 years 4 months ago
Sparse Matrix Block-Cyclic Redistribution
Run-time support for the CYCLIC(k) redistribution on the SPMD computation model is presently very relevant for the scientific community. This work is focused to the characterizati...
Gerardo Bandera, Emilio L. Zapata
108
Voted
MVA
2007
154views Computer Vision» more  MVA 2007»
15 years 2 months ago
Fisher Non-negative Matrix Factorization with Pairwise Weighting
Non-negative matrix factorization (NMF) is a powerful feature extraction method for finding parts-based, linear representations of non-negative data . Inherently, it is unsupervis...
Xi Li, Kazuhiro Fukui
DBA
2006
182views Database» more  DBA 2006»
15 years 1 months ago
Matrix Apriori: Speeding Up the Search for Frequent Patterns
This work discusses the problem of generating association rules from a set of transactions in a relational database, taking performance and accuracy of found results as the essent...
Judith Pavón, Sidney Viana, Santiago G&oacu...
80
Voted
IPM
2006
77views more  IPM 2006»
15 years 16 days ago
A general matrix framework for modelling Information Retrieval
Content-oriented retrieval models are based on a document-term matrix, whereas link-oriented retrieval models are based on an adjacent (parentchild) matrix. Term frequency and inv...
Thomas Rölleke, Theodora Tsikrika, Gabriella ...