He received the Laurea Degree in Ingegneria Elettronica in 1990, and a PhD in Ingegneria Informatica in 1994, both from Politecnico di Milano. His main research interests are in the area of databases, with a focus on active databases, data warehouses, and the construction of data-intensive Web sites. He is the author, together with Paolo Atzeni, Stefano Ceri, and Riccardo Torlone, of the book ``Database Systems: Concepts, Languages and Architectures'' (McGraw-Hill 1999). Pierangela Samarati is a professor at the Department of Information