Paolo Paolini is full professor at Politecnico di Milano (Italy) and adjunct professor at the School of Communication Sciences at the University of Lugano (USI). He holds a Master’s degree and a Ph.D. in Computer Science from the University of California in Los Angeles (UCLA). He has been active in the following research fields: database modeling and systems, document modeling, hypertext and multimedia models, multimedia authoring systems, design methods for the Web and multi-channel applications. He is the scientific coordinator of HOC-lab, where, from 1998, he has managed several projects related eLearning, eCulture, eTourism and more. He has been involved in more than twenty European-funded projects and for several of them he has been scientific coordinator.