The pervasiveness of wireless communication recently gave mobile ad hoc networks (MANET) a significant researcher's attention, due to its innate capabilities of instant commu...
Spontaneous interaction in wireless ad-hoc networks is often desirable not only between users or devices in direct contact, but also with devices that are accessible only via a wi...
: Web services are considered one of the main technologies which emerged in recent years, they provide an application integration technology that allows business applications to co...
: Virtual worlds have become very popular recently, in particular 3D virtual worlds with a built-in virtual currency that enables providers and users to monetize their creations. V...
Given the significant increase of on-line services that require personal information from users, the risk that such information is misused has become an important concern. In such ...