90 search results - page 16 / 18 » Monitoring Plan Optimality During Execution |
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
AAAI
2007
13 years 10 months ago
2007
In the majority of cases, steel production constitutes the inception of the Supply Chains they are involved just as in automotive clusters or aerospace. Steel manufacturing compan...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Traditional DBMSs decouple statistics collection and query optimization both in space and time. Decoupling in time may lead to outdated statistics. Decoupling in space may cause s...
SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...