This paper presents a model of hierarchical organization of Certification Authorities which can be applied to any open system network. In order to study the feasibility of the pro...
With the growing interest in service-oriented architectures, achieving seamless interoperability between heterogeneous middleware technologies has become increasingly important. W...
Simon N. Foley, Barry P. Mulcahy, Thomas B. Quilli...
Digital watermarking is a promising technology to embed copyright information as unperceivable signals in digital contents. Although various watermarking techniques have been empl...
Existing software infrastructures and middleware provide uniform security services across heterogeneous information networks. However, few, if any, tools exist that support access...
Pablo Galiasso, Oliver Bremer, John Hale, Sujeet S...
Policies are widely used in many systems and applications. Recently, it has been recognized that a "yes/no" response to every scenario is just not enough for many modern...
Claudio Bettini, Sushil Jajodia, Xiaoyang Sean Wan...