Researcher at the Politenico di Milano, his works exploit the possibility of extending XQuery in several directions, more precisely, the possibility to add active rules, to execute fuzzy queries, to mine data and to draw the query without writing directly XQuery. Other research activities are related to investigating automatic construction and verification of data intensive Web site and on metodologies and tools for e-learning. He taught Programming languages, Data Structures and Algorithms, Database and Software Engineering at the Politecnico di Milano.