1500 search results - page 20 / 300 » Query Optimization in Database Grid |
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
In digital libraries image retrieval queries can be based on the similarity of objects, using several feature attributes like shape, texture, color or text. Such multi-feature que...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
EDBTW
2004
Springer
14 years 1 months ago
2004
Springer
This paper describes XPeer, a zero-administration system for sharing and querying XML data. The system allows users to share XML data without significant human intervention, and t...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
ICDE
2007
IEEE
14 years 1 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...