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» Performance evaluation of a firm real-time database system
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ICDE
1998
IEEE
147views Database» more  ICDE 1998»
16 years 7 months ago
The Effect of Buffering on the Performance of R-Trees
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
Scott T. Leutenegger, Mario A. Lopez
PAMI
2010
168views more  PAMI 2010»
15 years 4 months ago
The Multiscenario Multienvironment BioSecure Multimodal Database (BMDB)
—A new multimodal biometric database designed and acquired within the framework of the European BioSecure Network of Excellence is presented. It is comprised of more than 600 ind...
Javier Ortega-Garcia, Julian Fiérrez, Ferna...
RTAS
2007
IEEE
16 years 8 days ago
Preemption Threshold Scheduling: Stack Optimality, Enhancements and Analysis
Using preemption threshold scheduling (PTS) in a multi-threaded real-time embedded system reduces system preemptions and hence reduces run-time overhead while still ensuring real-...
Rony Ghattas, Alexander G. Dean
SIGMOD
1994
ACM
99views Database» more  SIGMOD 1994»
15 years 10 months ago
Optimizing Queries on Files
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
Mariano P. Consens, Tova Milo
CVPR
2008
IEEE
16 years 8 months ago
Lost in quantization: Improving particular object retrieval in large scale image databases
The state of the art in visual object retrieval from large databases is achieved by systems that are inspired by text retrieval. A key component of these approaches is that local ...
James Philbin, Ondrej Chum, Michael Isard, Josef S...