. Our group investigates middleware and application level issues in mobile/ubiquitous computing. The research activity is organized in different areas, briefly summarized here after. Service, System and Network Management The research activity of our group in this area aims to investigate management issues rising in the provisioning of services with mobile and ubiquitous availability, and differentiated delivery of contents. Targeted management aspects span from the monitoring and the control of network, system and application level resources, to the accounting and charging of final users. Security ... Multimedia ... Mobile Ad-hoc Networks ...