672 search results - page 102 / 135 » Query Management in a Sensor Environment |
CIDR
2003
13 years 10 months ago
2003
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
GIS
2010
ACM
13 years 7 months ago
2010
ACM
The sensing systems that monitor physical environments rely on communication infrastructures (wired or wireless) to collect data from the sensors embedded in the environment. Howe...
WIDM
2004
ACM
14 years 2 months ago
2004
ACM
Organising large-scale Web information retrieval systems into hierarchies of topic-specific search resources can improve both the quality of results and the efficient use of com...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
SENSYS
2009
ACM
14 years 3 months ago
2009
ACM
Motivated by the needs of precise forest inventory and realtime surveillance for ecosystem management, in this paper we present GreenOrbs [1], a wireless sensor network system and...