This paper describes techniques that allow users to collaborate on tablet computers that employ distributed sensing techniques to establish a privileged connection between devices...
This paper describes an application framework for providing and managing personalized, interactive video on the web. The application framework enables content providers and aggreg...
It is well-known that CA plays the central role in PKI. In this paper we introduce a new component into PKI, DA (decryption authority), which decrypts important and sensitive mess...
In this paper we describe a practical framework for studying the navigational behavior of the users of an e-learning environment integrated in a virtual campus. The students navig...
We formalize the notion of a cryptographic counter, which allows a group of participants to increment and decrement a cryptographic representation of a (hidden) numerical value pri...