In this paper, we analyze the role of the social group in a Ubiquitous Computing (Ubicomp) environment as a source of contextual information. A model is presented to address the s...
In recent years, Software-as-a-Service (SaaS) is gaining momentum with more and more successful adoptions. Several companies including some well known names have embraced this new...
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
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
Abstract. Communication, a fundamental concept in computing, allows two pieces of software to interact and to exchange information. It is an important aspect of mobile agent system...