A modern server system must deliver a complex set of obligations towards its users. We study the concept of roles as autonomous encapsulations of a set of promises. Using virtuali...
We introduce tools to model and describe phishing attacks, allowing a visualization and quantification of the threat on a given complex system of web services. We use our new mod...
In order to resolve the shortcomings of traditional workflow interoperation and realize more flexible workflow interoperation, this article describes a new workflow interoperating ...
The concept of the Knowledge Bazaar as a paradigm for the development of Expert Systems, whereby knowledge bases are created dynamically using knowledge supplied by self appointed...