Abstract. Recent years have seen unprecedented growth in the popularity of social network systems, with Facebook being an archetypical example. The access control paradigm behind t...
By shifting the burden of proofs to the user, a proof-carrying authorization (PCA) system can automatically enforce complex access control policies. Unfortunately, managing those p...
This paper describes the design and development of a flexible domain-based access control infrastructure for distributed Collaborative Environments. The paper proposes extensions ...
Yuri Demchenko, Cees de Laat, Leon Gommans, Ren&ea...
Data protection legislation was originally defined for a context where personal information is mostly stored on centralized servers with limited connectivity or openness to 3rd pa...
In this paper we propose a conceptual model of virtual organizations as normative multiagent systems. The dynamic aspects of virtual organizations are modeled using aspects of spe...
Guido Boella, Joris Hulstijn, Leendert W. N. van d...