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ICASSP
2011
IEEE
14 years 5 months ago
Detecting low-rate periodic events in Internet traffic using renewal theory
In our previous work [1, 2] we studied detection of anomalies in packet arrival times for computer networks, most detection of denialof-service (DoS) attacks in Internet traffic....
Sean McPherson, Antonio Ortega
CISS
2010
IEEE
14 years 5 months ago
On performance evaluation of cooperative spectrum sensing in cognitive radio networks
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
Gang Xiong, Shalinee Kishore, Aylin Yener
JCPHY
2011
79views more  JCPHY 2011»
14 years 4 months ago
Stochastic Eulerian Lagrangian methods for fluid-structure interactions with thermal fluctuations
A computational approach is introduced for the study of the rheological properties of complex fluids and soft materials. The approach allows for a consistent treatment of microstr...
Paul J. Atzberger
SIAMMAX
2011
157views more  SIAMMAX 2011»
14 years 4 months ago
Deflated Restarting for Matrix Functions
We investigate an acceleration technique for restarted Krylov subspace methods for computing the action of a function of a large sparse matrix on a vector. Its effect is to ultima...
Michael Eiermann, Oliver G. Ernst, Stefan Güt...
CSCW
2012
ACM
13 years 9 months ago
Community-based web security: complementary roles of the serious and casual contributors
Does crowdsourcing work for web security? While the herculean task of evaluating hundreds of millions of websites can certainly benefit from the wisdom of crowds, skeptics questi...
Pern Hui Chia, John Chuang