In this paper, we present initial findings from the study of a digital photo-sharing website: Flickr.com. In particular, we argue that Flickr.com appears to support--for some peop...
Authorization logics provide a principled and flexible approach to specifying access control policies. One of their compelling benefits is that a proof in the logic is evidence ...
Jeffrey A. Vaughan, Limin Jia, Karl Mazurak, Steve...
As computing models change, so too do the demands on storage. Distributed and virtualized systems introduce new vulnerabilities, assumptions, and performance requirements on disks...
Kevin R. B. Butler, Stephen E. McLaughlin, Patrick...
Despite the availability of awareness servers and casual interaction systems, distributed groups still cannot maintain artifact awareness – the easy awareness of the documents, ...