141 search results - page 16 / 29 » Supporting Continuous Range Queries in Indoor Space |
MOBICOM
2010
ACM
13 years 7 months ago
2010
ACM
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
DAMON
2008
Springer
13 years 8 months ago
2008
Springer
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
PODS
2000
ACM
13 years 11 months ago
2000
ACM
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
A range of mobile services rely on knowing the current positions of populations of so-called moving objects. In the ideal setting, the positions of all objects are known always an...
GIS
2005
ACM
14 years 7 months ago
2005
ACM
The management of moving objects has been intensively studied in the recent years. A wide and increasing range of database applications has to deal with spatial objects whose posi...