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DATE
2004
IEEE
14 years 21 days ago
2004
IEEE
In this paper, we present various challenges that arise in the delivery and exchange of multimedia information to mobile devices. Specifically, we focus on techniques for maintain...
CCS
2006
ACM
14 years 21 days ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
CCS
2006
ACM
14 years 21 days ago
2006
ACM
We introduce the notion of resiliency policies in the context of access control systems. Such policies require an access control system to be resilient to the absence of users. An...
CCS
2006
ACM
14 years 21 days ago
2006
ACM
Role engineering, the task of defining roles and associating permissions to them, is essential to realize the full benefits of the role-based access control paradigm. Essentially,...
FGR
2004
IEEE
14 years 21 days ago
2004
IEEE
Both the configuration of facial features and the timing of facial actions are important to emotion and communication. Previous literature has focused on the former. We developed ...