1500 search results - page 139 / 300 » Query Optimization in Database Grid |
ADC
2003
Springer
14 years 2 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
ICDE
2000
IEEE
14 years 10 months ago
2000
IEEE
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...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
DASFAA
2006
IEEE
14 years 3 months ago
2006
IEEE
As business and enterprises generate and exchange XML data more often, there is an increasing need for searching and querying XML data. A lot of researches have been done to match ...
ICDE
2006
IEEE
14 years 3 months ago
2006
IEEE
Structured P2P systems based on distributed hash tables are a popular choice for building large-scaled data management systems. Generally, they only support exact match queries, b...