Paulo Nazareno Maia Sampaio is Assistant Professor at University of Madeira (Portugal), and he holds a PhD degree in Informatics and Telecommunications from University Paul Sabatier - Toulouse II. His PhD work was carried out at Laboratory of Analysis and Architecture of Systems  (LAAS-CNRS) in Toulouse (France). He is a researcher in the Centro de Ciências Matemáticas of the University of Madeira, and is a faculty member of the M.Sc. Program in Human-Computer Interaction under the Carnegie Mellon University – Portugal Program. His research interests are: The project and development of distributed multimedia systems, web engineering and virtual and augmented reality.