1300 search results - page 91 / 260 » XML Query Processing and Optimization |
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
DEBU
2000
13 years 7 months ago
2000
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
WEBDB
1999
Springer
13 years 12 months ago
1999
Springer
We propose a framework for navigation-driven evaluation of virtual mediated views. The approach is based on lazy mediators that translate incoming client navigations on a virtual ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...