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ACSAC
2001
IEEE
15 years 7 months ago
Detecting Conflicts in a Role-Based Delegation Model
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...
Andreas Schaad
AAAI
2008
15 years 5 months ago
Expressive Banner Ad Auctions and Model-Based Online Optimization for Clearing
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,...
ECIR
2010
Springer
15 years 4 months ago
Category-Based Query Modeling for Entity Search
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...
Krisztian Balog, Marc Bron, Maarten de Rijke
DBSEC
2007
87views Database» more  DBSEC 2007»
15 years 4 months ago
Towards a Times-Based Usage Control Model
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...
FECS
2008
123views Education» more  FECS 2008»
15 years 4 months ago
Transition from a Waterfall-Based Capstone Course to an Agile Model
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...
Chris Lüer