The Web is the most pervasive collaborative technology in widespread use today; however, access to the web and its many applications cannot be taken for granted. Web accessibility...
Over the past decade we have witnessed the evolution of wireless sensor networks, with advancements in hardware design, communication protocols, resource efficiency, and other aspe...
Abstract. To have certainty about identities is crucial for secure communication in digital environments. The number of digital identities that people and organizations need to man...
Incorporating faces into mediated discussions is a complex design problem. The face conveys social and personal identity; it reports fleeting changes of emotion and the cumulative ...
Abstract. In this paper we consider a new and efficient optimistic nonrepudiation protocol. In a non-repudiation protocol, during which Alice wants to transmit a message to Bob, Al...