1782 search results - page 236 / 357 » Processing Queries over Distributed XML Databases |
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
GIS
2002
ACM
13 years 8 months ago
2002
ACM
Enterprises in the public and private sectors have been making their large spatial data archives available over the Internet. However, interactive work with such large volumes of ...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
We study the problem of applying adaptive filters for approximate query processing in a distributed stream environment. We propose filter bound assignment protocols with the obj...