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» Robust Query Processing through Progressive Optimization
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IADT
1998
148views more  IADT 1998»
13 years 11 months ago
A Tool for Content-Based Image Retrieval in Object-Oriented Databases
Conventional image processing algorithms used to compare images are very timeconsuming, making them inappropriate for use in searching for an image in a huge collection of images ...
Caetano Traina Jr., Agma J. M. Traina, Rildo R. do...
CVPR
2003
IEEE
15 years 12 days ago
Polydioptric Camera Design and 3D Motion Estimation
Most cameras used in computer vision applications are still based on the pinhole principle inspired by our own eyes. It has been found though that this is not necessarily the opti...
Cornelia Fermüller, Jan Neumann, Yiannis Aloi...
PVLDB
2008
123views more  PVLDB 2008»
13 years 10 months ago
Dependable cardinality forecasts for XQuery
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
Jens Teubner, Torsten Grust, Sebastian Maneth, She...
ICDE
2007
IEEE
106views Database» more  ICDE 2007»
14 years 4 months ago
Mining Trajectory Databases via a Suite of Distance Operators
With the rapid progress of mobile devices and positioning technologies, Trajectory Databases (TD) have been in the core of database research during the last decade. Analysis and k...
Nikos Pelekis, Ioannis Kopanakis, Irene Ntoutsi, G...
SSDBM
2007
IEEE
104views Database» more  SSDBM 2007»
14 years 4 months ago
Reservoir Sampling over Memory-Limited Stream Joins
In stream join processing with limited memory, uniform random sampling is useful for approximate query evaluation. In this paper, we address the problem of reservoir sampling over...
Mohammed Al-Kateb, Byung Suk Lee, Xiaoyang Sean Wa...