231 search results - page 16 / 47 » Query Predicate Preprocessing in Wireless Sensor Networks |
GIS
2010
ACM
13 years 4 months ago
2010
ACM
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. We present a comparative mathematical analysis of two important distinct approaches to hybrid push-pull querying in wireless sensor networks: structured hash-based data-c...
IS
2006
13 years 7 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
ADHOCNOW
2008
Springer
13 years 8 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
SENSYS
2003
ACM
14 years 22 days ago
2003
ACM
Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis a...