1500 search results - page 176 / 300 » Query Optimization in Database Grid |
CIKM
2004
Springer
14 years 2 months ago
2004
Springer
The performance of web search engines may often deteriorate due to the diversity and noisy information contained within web pages. User click-through data can be used to introduce...
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
In adaptive query processing, the way in which a query is evaluated is changed in the light of feedback obtained from the environment during query evaluation. Such feedback may, f...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
A supergraph containment search is to retrieve the data graphs contained by a query graph. In this paper, we study the problem of efficiently retrieving all data graphs approximate...