9683 search results - page 4 / 1937 » Query performance prediction |
RTDB
1996
13 years 6 months ago
1996
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
SIGIR
2010
ACM
13 years 9 months ago
2010
ACM
Numerous studies have examined the ability of query performance prediction methods to estimate a query’s quality for system effectiveness measures (such as average precision). ...
PAMI
2007
13 years 4 months ago
2007
—This paper presents methods of modeling and predicting face recognition (FR) system performance based on analysis of similarity scores. We define the performance of an FR system...
ICIP
2001
IEEE
14 years 7 months ago
2001
IEEE
The majority of today's content based image retrieval systems rely on low-level image descriptors which limit their capability to support meaningful interactions with the use...
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...