805 search results - page 62 / 161 » Spatial queries in sensor networks |
ATAL
2005
Springer
14 years 2 months ago
2005
Springer
Interpolation is a technique used to estimate the value of a function at a given location, assuming that the values of the function are known for surrounding locations. A Wireless...
BNCOD
2008
13 years 10 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
SAC
2005
ACM
14 years 2 months ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
PERCOM
2008
ACM
14 years 3 months ago
2008
ACM
In this paper we present a protocol for sensor applications that require periodic collection of raw data reports from the entire network in a timely manner. We formulate the probl...
MM
2006
ACM
14 years 2 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...