44 search results - page 4 / 9 » A Sampling-Based Approach to Optimizing Top-k Queries in Sen... |
MOBIQUITOUS
2005
IEEE
13 years 11 months ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...
WMCSA
2002
IEEE
13 years 10 months ago
2002
IEEE
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
ADHOCNOW
2008
Springer
13 years 7 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) ...
IWMMDBMS
1998
13 years 7 months ago
1998
: In recent years the fusion of multimedia information from multiple real-time sources and databases has become increasingly important because of its practical significance in many...
LCN
2008
IEEE
14 years 5 days ago
2008
IEEE
—Providing energy-efficient continuous data collection services is of paramount importance to Wireless Sensor Network (WSN) applications. This paper proposes a new power manageme...