Two main Rights Expression Languages (RELs) exist to describe licenses governing the access to digital content: ODRL (Open Digital Rights Language) and MPEG-21 REL. Both RELs are ...
Powerful applications can be implemented using command scripts. A command script is a program written by one user, called a writer, and made available to another user, called the ...
The business model of Web2.0 applications like FaceBook, Flickr, YouTube and their likes is based on an asymmetry: Users generate content, Web2.0 application providers own, (i), th...
Among all peer-to-peer (P2P) systems, BitTorrent seems to be the most prevalent one. This success has drawn a great deal of research interest on the system. In particular, there h...
User access control in sensor networks defines a process of granting user the access right to the information and resources. It is essential for the future real sensor network depl...