The research presented in this paper reports on three phases of an empirical user study that examines the relationship between identity and technology using contextual interviews,...
Christine Satchell, Graeme G. Shanks, Steve Howard...
Policies are pervasive in web applications. They play crucial roles in enhancing security, privacy and usability of distributed services. There has been extensive research in the a...
Piero A. Bonatti, Claudiu Duma, Norbert E. Fuchs, ...
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Reputation forms an important part of how we come to trust people in face-to-face interactions, and thus situations involving trust online have come to realize that reputation is ...