Contextual computing has been around for several years with a variety of names such as pervasive computation and omnipresent computing. Recently there has been a drive toward making personal digital assistants (PDAs) more aware of their environment. For example, a cell phone may sense that it is in a conference room and reason that it should...

Biometric recognition--the automated recognition of individuals based on their behavioral and biological characteristic--is promoted as a way to help identify terrorists, provide better control of access to physical facilities and financial accounts, and increase the efficiency of access to services and their utilization. Biometric...

As the...

Adaptive Hypermedia has emerged as an important area of both academic and deployed research. It encompasses a broad range of research that will enable personalized, adaptive hypermedia systems to play an even more effective role in people’s lives. The Web has enabled the widespread use of many personalized systems, such as recommenders,...

Producing on-line, digitized information is no longer a problem. Ever more of our...

Cryptography has made a peculiar journey to become a modern science. It had long been associated with the military and with magic. The rst published work in the eld was Steganographia, by an alchemist named Trithemius. Although written earlier, the book was published in 1606. Cryptography has continued this connection with the arcane...

When asked 'who are you?', people in different cultures tend to define themselves fundamentally differently in terms of what their respective culture considers to be most important. In cultures where one's professional and economic status is most important, people say 'I am an engineer', or 'a priest at St...

Identity management is put...

Donald Lobo, Michal Mach, and I started CiviCRM almost six years ago. Back then, open source software had gained traction in the operating system arena, but the idea of an open source application designed from the ground up to meet the needs of non-profits and other civic sector organizations was pretty radical. We were convinced that there...