1782 search results - page 271 / 357 » Processing Queries over Distributed XML Databases |
SAC
2010
ACM
13 years 9 months ago
2010
ACM
In emerging Web2.0 applications such as virtual worlds or social networking websites, the number of users is very important (tens of thousands), hence the amount of data to manage...
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
DEXA
1999
Springer
14 years 1 months ago
1999
Springer
Workflow management systems require advanced transaction support to cope with their inherently long-running processes. The recent trend to distribute workflow executions requires ...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...