I have a degree in Engineering at the University of Cagliari and I have been a researcher at CRS4 (Center for Advanced Studies and Research in Sardinia) since 2001. I worked to national and international funded research projects and my research activity is centered on design and development of Graphical User Interface, User profiling and Collaborative Recommendation Systems. I study and develop algorithms for applications able to support the user suggesting items that meet his needs and interests. Analyzing the behavior of a multitude of users is possible to establish a networks of connections between users useful to predict everyone needs. I'm author and co-author of several papers in national and international referred conferences and peer-reviewed journals.