— Micro-payment systems have the potential to provide non-intrusive, high-volume and low-cost pay-asyou-use services for a wide variety of web-based applications. We proposed a n...
This paper investigates the performance of a content distribution network designed to provide bounded content access latency. Content can be divided into multiple classes with dif...
A query burst is a period of heightened interest of users on a topic which yields a higher frequency of the search queries related to it. In this paper we examine the behavior of s...
One of the most fundamental problems in computer security is protecting sensitive digital information from unauthorized disclosure. There are a number of challenges, such as spywa...
Traditionally, cellular wide area networks like UMTS are used as Internet access networks for particular users but, in some cases, they can be employed to provide Internet access ...
Xavier Sanchez-Loro, Victoria Beltran, Jordi Casad...