In 1990, Boyar, Chaum, Damg˚ard and Pedersen introduced convertible undeniable signatures which limit the self-authenticating property of digital signatures but can be converted b...
One distinctive feature of any adaptive system is the user model that represents essential information about each user. This chapter complements other chapters of this book in revi...
This paper describes a new XML compression scheme that offers both high compression ratios and short query response time. Its core is a fully reversible transform featuring substit...
Evaluation is an integral part of research that provides a true measure of effectiveness. This paper presents a study conducted to evaluate the effectiveness of CAS, a knowledge ac...
Conviviality is a mechanism to reinforce social cohesion and a tool to reduce mis-coordination between individuals, groups and institutions in web communities, for example in digit...