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SIGCOMM
2009
ACM
14 years 2 months ago
Hot today, gone tomorrow: on the migration of MySpace users
While some empirical studies on Online Social Networks (OSNs) have examined the growth of these systems, little is known about the patterns of decline in user population or user a...
Mojtaba Torkjazi, Reza Rejaie, Walter Willinger
CCGRID
2008
IEEE
14 years 2 months ago
Using Dynamic Condor-Based Services for Classifying Schizophrenia in Diffusion Tensor Images
— Diffusion Tensor Imaging (DTI) provides insight into the white matter of the human brain, which is affected by Schizophrenia. By comparing a patient group to a control group, t...
Simon Caton, Matthan Caan, Sílvia Delgado O...
ICASSP
2008
IEEE
14 years 2 months ago
Secure wireless communications: Secret keys through multipath
Secure wireless communications is a challenging problem due to the shared nature of the wireless medium. Most existing security protocols apply cryptographic techniques for bit sc...
Akbar M. Sayeed, Adrian Perrig
VTC
2008
IEEE
125views Communications» more  VTC 2008»
14 years 2 months ago
A General Formula for Log-MGF Computation: Application to the Approximation of Log-Normal Power Sum via Pearson Type IV Distribu
Abstract— In [1], we have recently proposed a general approach for approximating the power sum of Log–Normal Random Variables (RVs) by using the Pearson system of distributions...
Marco Di Renzo, Fabio Graziosi, Fortunato Santucci
CISS
2007
IEEE
14 years 2 months ago
Collector Receiver Design for Data Collection and Localization in Sensor-driven Networks
— We consider a sensor network in which the sensors communicate at will when they have something to report, without prior coordination with other sensors or with data collection ...
Bharath Ananthasubramaniam, Upamanyu Madhow