The RBAC96 access control model has been the basis for extensive work on role-based constraint specification and role-based delegation. However, these practical extensions can als...
We present the design of a banner advertising auction which is considerably more expressive than current designs. We describe a general model of expressive ad contracts/bidding an...
Craig Boutilier, David C. Parkes, Tuomas Sandholm,...
Abstract. Users often search for entities instead of documents and in this setting are willing to provide extra input, in addition to a query, such as category information and exam...
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
Baoxian Zhao, Ravi S. Sandhu, Xinwen Zhang, Xiaoli...
We report on the successful process of transitioning a 4th-year university software engineering capstone course from a waterfall approach to an iterative, more agile model. The se...