805 search results - page 135 / 161 » Spatial queries in sensor networks |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Network data models are frequently used as a mechanism to describe the connectivity between spatial features in many emerging GIS applications (location-based services, transporta...
SENSYS
2010
ACM
13 years 6 months ago
2010
ACM
Passive monitoring is an important tool for measuring, troubleshooting, and protecting modern wireless networks. To date, WiFi monitoring has focused primarily on indoor settings ...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
CIDR
2007
13 years 10 months ago
2007
Sensors capable of sensing phenomena at high data rates—on the order of tens to hundreds of thousands of samples per second—are useful in many industrial, civil engineering, s...
MOBIHOC
2002
ACM
14 years 8 months ago
2002
ACM
This paper investigates two fundamental characteristics of a wireless multihop network: its minimum node degree and its k?connectivity. Both topology attributes depend on the spat...