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ICIP
2007
IEEE
14 years 2 months ago
Modeling Gabor Coefficients via Generalized Gaussian Distributions for Face Recognition
Gabor filters are biologically motivated convolution kernels that have been widely used in the field of computer vision and, specially, in face recognition during the last decad...
Daniel González-Jiménez, Fernando P&...
SAC
2008
ACM
13 years 7 months ago
Selectivity estimation in spatial networks
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
Eleftherios Tiakas, Apostolos N. Papadopoulos, Ale...
IDEAS
2006
IEEE
109views Database» more  IDEAS 2006»
14 years 2 months ago
Multi-dimensional Histograms with Tight Bounds for the Error
Histograms are being used as non-parametric selectivity estimators for one-dimensional data. For highdimensional data it is common to either compute onedimensional histograms for ...
Linas Baltrunas, Arturas Mazeika, Michael H. B&oum...
HPDC
2010
IEEE
13 years 9 months ago
Distributing the power of OLAP
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
Katerina Doka, Dimitrios Tsoumakos, Nectarios Kozi...
IEEESCC
2006
IEEE
14 years 2 months ago
Applying Distributed Business Rules - The VIDRE Approach
Today’s business processes are not static, they need to be adapted frequently to reflect changing business requirements. Several business process languages such as WS-BPEL have...
Florian Rosenberg, Christoph Nagl, Schahram Dustda...