144 search results - page 8 / 29 » Enhancing the Data Collection Rate of Tree-Based Aggregation... |
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— We consider the problem of aggregating data at a mobile fusion center (fusor) (eg. a PDA or a cellular phone) moving within a spatial region over which a wireless sensor networ...
TISSEC
2008
13 years 7 months ago
2008
Hop-by-hop data aggregation is a very important technique for reducing the communication overhead and energy expenditure of sensor nodes during the process of data collection in 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) ...
JUCS
2010
13 years 2 months ago
2010
: The use of multimedia sensor nodes can significantly enhance the capability of wireless sensor networks (WSNs) for event description. In a number of scenarios, e.g., an erupting ...