Sciweavers

279 search results - page 1 / 56
» Towards Adaptive Costing of Database Access Methods
Sort
View
ICDE
2007
IEEE
98views Database» more  ICDE 2007»
14 years 1 months ago
Towards Adaptive Costing of Database Access Methods
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...
Ye Qin, Kenneth Salem, Anil K. Goel
ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
14 years 23 days ago
Database Caching - Towards a Cost Model for Populating Cache Groups
Web caching keeps single Web objects ready somewhere in caches in the user-to-server path, whereas database caching uses fullfledged database management systems as caches to adapt...
Theo Härder, Andreas Bühmann
TKDE
1998
126views more  TKDE 1998»
13 years 7 months ago
Dictionary: A New Access Method for Query Processing in Object-Oriented Databases
—We present a new access method, called the path dictionary index (PDI) method, for supporting nested queries on object-oriented databases. PDI supports object traversal and asso...
Wang-Chien Lee, Dik Lun Lee
GRID
2008
Springer
13 years 7 months ago
Cost and accuracy sensitive dynamic workflow composition over grid environments
A myriad of recent activities can be seen towards dynamic workflow composition for processing complex and data intensive problems. Meanwhile, the simultaneous emergence of the gri...
David Chiu, Sagar Deshpande, Gagan Agrawal, Rongxi...
BTW
2009
Springer
240views Database» more  BTW 2009»
13 years 8 months ago
Efficient Adaptive Retrieval and Mining in Large Multimedia Databases
Abstract: Multimedia databases are increasingly common in science, business, entertainment and many other applications. Their size and high dimensionality of features are major cha...
Ira Assent