Sciweavers

907 search results - page 95 / 182
» Mobile data collection in sensor networks: The TinyLime
Sort
View
INFOCOM
2007
IEEE
14 years 3 months ago
PDA: Privacy-Preserving Data Aggregation in Wireless Sensor Networks
Abstract— Providing efficient data aggregation while preserving data privacy is a challenging problem in wireless sensor networks research. In this paper, we present two privacy...
Wenbo He, Xue Liu, Hoang Nguyen, Klara Nahrstedt, ...
MOBISYS
2004
ACM
14 years 8 months ago
Implementing Software on Resource-Constrained Mobile Sensors: Experiences with Impala and ZebraNet
ZebraNet is a mobile, wireless sensor network in which nodes move throughout an environment working to gather and process information about their surroundings [10]. As in many sen...
Ting Liu, Christopher M. Sadler, Pei Zhang, Margar...
SSDBM
2005
IEEE
140views Database» more  SSDBM 2005»
14 years 2 months ago
Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
Moustafa A. Hammad, Walid G. Aref, Ahmed K. Elmaga...
ICDCS
2008
IEEE
14 years 3 months ago
Data Estimation in Sensor Networks Using Physical and Statistical Methodologies
Wireless Sensor Networks (WSNs) are employed in many applications in order to collect data. One key challenge is to minimize energy consumption to prolong network lifetime. A sche...
Yingshu Li, Chunyu Ai, Wiwek P. Deshmukh, Yiwei Wu
INFOCOM
2008
IEEE
14 years 3 months ago
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
Yan Wu, Sonia Fahmy, Ness B. Shroff