Third Generation (3G) cellular networks utilize timevarying and location-dependent channel conditions to provide broadband services. They employ opportunistic scheduling to effic...
Skype is a peer-to-peer VoIP client developed by KaZaa in 2003. Skype claims that it can work almost seamlessly across NATs and firewalls and has better voice quality than the MSN...
Construction activities take place in what can be called a dynamic virtual organization (VO). VOs require a secure, reliable, scalable information infrastructure that allows collab...
The need for Information Security in organisations, regardless of their type and size, is being addressed by emerging standards and recommended best practices. The various standar...
As data stream management systems (DSMSs) become more and more popular, there is an increasing need to protect such systems from adversaries. In this paper we present an approach ...