In most P2P business models, in which users purchase the media, it is necessary to securely identify the user in order to facilitate payment. In this paper, we present a technique ...
Pictures have become increasingly common and popular in mobile communications. However, due to the limitation of mobile devices, there is a need to develop new technologies to fac...
Electronic commerce applications have special features compared to conventional information systems. First, because electronic commerce usually involves yet nonexisting business a...
Despite the fact that electronic publishing is a common activity to scholars, electronic journals are still based in the print model and do not take full advantage of the faciliti...
Ubiquitous system can be considered as the intelligent space, in which many kinds of component are connected by networks and also each component recognizes their connection and coo...