Recently proposed usage control concept and models extend traditional access control models with features for contemporary distributed computing systems, including continuous acce...
DRM has been widely promoted as a means to enforce copyright. In many previous papers, it has been argued that DRM gives too much power to rights holders and actually goes beyond ...
In this paper we sketch a framework supporting contract enactment within the context of virtual organisation units that are dynamically created in order to achieve a common object...
Theodosis Dimitrakos, Ivan Djordjevic, Zoran Milos...
In this paper, we present an Open Grid Services Architecture (OGSA)-based decentralized allocation enforcement system, developed with an emphasis on a consistent data model and ea...