243 search results - page 12 / 49 » Selectivity Estimation for Boolean Queries |
SSDBM
2003
IEEE
15 years 2 months ago
2003
IEEE
— Many novel spatio-temporal applications deal with moving objects. In such environments, a database typically maintains the initial position and the moving function for each obj...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Many database applications have the emerging need to support fuzzy queries that ask for strings that are similar to a given string, such as “name similar to smith” and “tele...
CAISE
2006
Springer
15 years 1 months ago
2006
Springer
Answering performance to business queries, mainly of aggregated nature, known as On-Line Analytical Processing queries, depends heavily on the proper selection of multidimensional ...
BMCBI
2007
14 years 9 months ago
2007
Background: Boolean network (BN) modeling is a commonly used method for constructing gene regulatory networks from time series microarray data. However, its major drawback is that...
ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...