The proliferation of the World Wide Web has brought information retrieval (IR) techniques to the forefront of search technology. To the average computer user, “searching” now ...
— Vehicular Ad-hoc Networks (VANETs) are gaining importance for inter-vehicle communication, because they allow for the local communication between vehicles without any infrastru...
Abstract— The TISPAN group from ETSI is currently working on the specification a Next Generation Network (NGN), based on the IP Multimedia Subsystem (IMS) as the service control...
: Fiscal incomes are vital for Governments, both for central and local agencies, therefore on-line fiscal services will play a key role in the e-Government perspective. The creatio...
Telephony over IP is exposed to multiple security threats. Conventional protection mechanisms do not fit into the highly dynamic, open and large-scale settings of VoIP infrastructu...