A modern server system must deliver a complex set of obligations towards its users. We study the concept of roles as autonomous encapsulations of a set of promises. Using virtuali...
Abstract. Prepay usage as a percentage of overall mobile phone access has increased sharply over the past several years. However, the recharging process is still largely manual wit...
J. Burgett, S. Hussain, Catholijn M. Jonker, A. Ra...
This paper presents new services for intelligent monitoring and visualising user accesses to a university's web site. These are based on the use of data mining techniques to p...
Abstract— Museums and exhibitions represent a relevant contribution to the economy all over the world. In Italy, in the year 2006 the 400 national museums, monuments and archaeol...
We study large-scale service systems with multiple customer classes and many statistically identical servers. The following question is addressed: How many servers are required (s...