In this paper we model and study the performance of peer-to-peer (P2P) file sharing systems in terms of their `service capacity'. We identify two regimes of interest: the tra...
Setting up runtime security policies as required for firewalls or as envisioned by policy languages for the Semantic Web is a difficult task, especially for lay users who have l...
In recent years, geometry processing algorithms that directly operate on polygonal meshes have become an indispensable tool in computer graphics, CAD/CAM applications, numerical s...
One of the previous articles in this column was devoted to the zero-one laws for a number of logics playing prominent role in finite model theory: first-order logic FO, the extens...
The most common problem of an overloaded electronic-commerce server is an increase in the response time perceived by customers, who may restart their requests hoping to get a fast...