Stefano SpaccapietraStefano Spaccapietra is an honorary professor at the School of Computer and Communication Sciences, Swiss Federal Institute of Technology, in Lausanne, Switzerland, where he has been chairing the database laboratory for more than twenty years. Togethr with Christine Parent, he developed MADS, a conceptual spatio-temporal data model equipped with multi-representation support, which gained worldwide renown and has been used in several applications. Read More Read Less