Recently, describing behavior of web services is becoming more and more important. This behavior can be described by business protocols representing the possible sequences of messa...
This paper presents a model for delegation based on partial orders, proposing the subclass relation in OWL as a way to represent the partial orders. Delegation and authorization de...
Today organizations do not have good ways of linking their written privacy policies with the implementation of those policies. To assist organizations in addressing this issue, ou...
Being increasingly equipped with highly-accurate positioning technologies, today's mobile phones enable their owners to transmit their current position over the cellular netwo...
We argue that joint administration of access policies for a dynamic coalition formed by autonomous domains requires that these domains set up a coalition authority that distribute...