444 search results - page 28 / 89 » Instance optimal query processing in spatial networks |
DMSN
2007
ACM
14 years 2 hour ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus r...