We consider the problem of coordination and control of large heterogeneous groups of agents distributed over the Internet in the context of Law-Governed Interaction (LGI) [2, 5]. L...
Xuhui Ao, Naftaly H. Minsky, Thu D. Nguyen, Victor...
– Grid access control policy languages today are generally one of two extremes: either extremely simplistic, or overly complex and challenging for even security experts to use. I...
Marty Humphrey, Sang-Min Park, Jun Feng, Norm Beek...
Combining access control with weakly consistent replication presents a challenge if the resulting system is to support eventual consistency. If authorization policy can be tempora...
Ted Wobber, Thomas L. Rodeheffer, Douglas B. Terry
Data outsourcing is becoming today a successful solution that allows users and organizations to exploit external servers for the distribution of resources. Some of the most challe...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
We demonstrate how access control models and policies can be represented by using term rewriting systems, and how rewriting may be used for evaluating access requests and for provi...