This book is about relations between three different areas of mathematics and theoretical computer science: combinatorial group theory, cryptography, and complexity theory. It is explored how non-commutative (infinite) groups, which are typically studied in combinatorial group theory, can be used in public key cryptography. It is also shown...

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,...

You may have heard about social networking sites on the Web. If you view a list of social networking Web sites (http://en.wikipedia.org/wiki/List_of_social_networking_ websites) on Wikipedia, a popular reference site, you will see links to more than 100 networking sites, available from around the world and catering to every taste. The...

This book demonstrates bene?ts of abstract and qualitative reasoning that have not received much attention in the context of autonomous robotics before. Bremen, Christian Freksa December 2007 Director of the SFB/TR 8 Spatial Cognition Preface This book addresses spatial representations and reasoning techniques for - bile robot mapping,...

Interaction is a vital aspect of modern computer graphics, and issues concerning interaction...

Digital forensics deals with the acquisition, preservation, examination, analysis and presentation of electronic evidence. Networked computing, wireless communications and portable electronic devices have expanded the role of...