251 search results - page 18 / 51 » Processing Multiple Aggregation Queries in Geo-Sensor Networ... |
PERCOM
2005
ACM
14 years 6 months ago
2005
ACM
Topographic querying is the process of extracting data from a sensor network for understanding the graphic delineation of features of interest in a terrain. Query processing techn...
LCN
2007
IEEE
14 years 1 months ago
2007
IEEE
— Service Level Agreements (SLAs) are contracts signed between a provider and a customer to govern the amount of traffic that will be serviced. This work pinpoints an important ...
MDM
2005
Springer
14 years 7 days ago
2005
Springer
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
ICDE
2008
IEEE
14 years 1 months ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
SIGMOD
2011
ACM
12 years 9 months ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...