Many of today's virtual environment applications, such as massively multi-player online games, involve a large and rapidly changing set of users. The server-based architectur...
As computerized agents are becoming more and more common, e-commerce becomes a major candidate for incorporation of automated agents. Thus, it is vital to understand how people de...
Abstract. Security and privacy issues are considered as two of the major concerns related to the use of biometric data for authentication purposes. In this paper we propose two dif...
Online privacy is an increasingly important problem, as many services are now offered in a digital form. Privacy (or the lack thereof) is of a special concern in subscriptions to ...
The online games market has matured in recent years. It is now a multi-billion dollar business with hundreds of millions players worldwide. At the same time, social networking pla...