1500 search results - page 213 / 300 » Query Optimization in Database Grid |
SIGMOD
2005
ACM
14 years 2 months ago
2005
ACM
Appropriately selected materialized views (also called indexed views) can speed up query execution by orders of magnitude. Most database systems limit support for materialized vie...
PAM
2012
Springer
12 years 4 months ago
2012
Springer
Network administrators are faced with the increasingly challenging task of monitoring their network’s health in real time, drawing upon diverse and voluminous measurement data fe...
MIDDLEWARE
2004
Springer
14 years 2 months ago
2004
Springer
Data grids, large scale web applications generating dynamic content and database service providing pose significant scalability challenges to database engines. Replication is the ...
ICDE
2004
IEEE
14 years 10 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
PODS
2010
ACM
14 years 2 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...