106 search results - page 14 / 22 » Energy-Efficient Continuous Isoline Queries in Sensor Networ... |
IS
2007
13 years 7 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
IPPS
2007
IEEE
14 years 2 months ago
2007
IEEE
— An important class of queries over sensor networks are network-wide aggregation queries. In this work we study a class of aggregation queries which we refer to as aggregate thr...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
DEXAW
2006
IEEE
14 years 1 months ago
2006
IEEE
Wireless sensor networks (WSNs) are used for various ubiquitous and pervasive environments. A few common applications are security, agriculture, automation, and environmental moni...
HICSS
2006
IEEE
14 years 1 months ago
2006
IEEE
Networks of sensors arise naturally in many different fields, from industrial applications (e.g., monitoring of environmental parameters in a chemical plant) to surveillance appl...