75 search results - page 11 / 15 » Twig Query Processing Under Concurrent Updates |
IS
2011
13 years 4 days ago
2011
Sensor networks are often used to perform monitoring tasks, such as animal and vehicle tracking, or the surveillance of enemy forces in military applications. In this paper we int...
SERVICES
2008
13 years 9 months ago
2008
Distributed stream query services must simultaneously process a large number of complex, continuous queries with stringent performance requirements while utilizing distributed pro...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
MSS
1999
IEEE
14 years 21 days ago
1999
IEEE
We present recommendations on Performance Management for databases supporting Binary Large Objects (BLOB) that, under a wide range of conditions, save both storage space and datab...
DEXA
2007
Springer
14 years 10 days ago
2007
Springer
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...