In this paper, we present a framework for contextbased awareness support designed for web-based groupware systems. Nowadays, such systems can be accessed through web-enabled mobil...
In this paper we examine how copyright protection of digital items can be securely managed in a 3G mobile phone and other devices. First, the basic concepts, strategies, and requi...
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
Despite recent advances in wireless and portable hardware technologies, mobile access to the Web is often laborious. For this reason, several solutions have been proposed to custom...
Leonardo Teixeira Passos, Marco Tulio de Oliveira ...
This paper focuses on the problem of preventing illegal copying of digital assets without jeopardising the right of legitimate licence holders to transfer content between their ow...