303 search results - page 5 / 61 » Supporting spatial aggregation in sensor network databases |
SSDBM
2007
IEEE
14 years 1 months ago
2007
IEEE
GISCIENCE
2010
Springer
13 years 7 months ago
2010
Springer
Wireless sensor networks are deployed to monitor dynamic geographic phenomena, or objects, over space and time. This paper presents a new spatiotemporal data model for dynamic area...
AMW
2010
13 years 9 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
AIM
2004
13 years 7 months ago
2004
Reasoning about spatial data is a key task in many applications, including geographic information systems, meteorological and fluid flow analysis, computer-aided design, and prote...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...