Mario Piattini, Ph.D. is an associate professor at the University of Castilla - La Mancha, Spain. He received his M.Sc. and Ph.D. in computer science from the Polytechnical University of Madrid. Oscar Diaz, Ph.D. is a professor of computer science at the University of the Basque Country, Spain. He received his Ph.D. in computer science at the University of Aberdeen (UK).

• Evolution of database technology; conceptual modelling of information systems; active databases; deductive databases; temporal database systems; object-relational databases; object-oriented databases; multimedia databases; distributed databases; mobile computing - data management issues; databases; secure databases; component database systems; case tools - computer support for conceptual modelling, database quality.

Mario Piattini, Ph.D. is an associate professor at the University of Castilla - La Mancha, Spain. He received his M.Sc. and Ph.D. in computer science from the Polytechnical University of Madrid. Oscar Diaz, Ph.D. is a professor of computer science at the University of the Basque Country, Spain. He received his Ph.D. in computer science at the University of Aberdeen (UK).

• Evolution of database technology; conceptual modelling of information systems; active databases; deductive databases; temporal database systems; object-relational databases; object-oriented databases; multimedia databases; distributed databases; mobile computing - data management issues; databases; secure databases; component database systems; case tools - computer support for conceptual modelling, database quality.

Mario Piattini, Ph.D. is an associate professor at the University of Castilla - La Mancha, Spain. He received his M.Sc. and Ph.D. in computer science from the Polytechnical University of Madrid. Oscar Diaz, Ph.D. is a professor of computer science at the University of the Basque Country, Spain. He received his Ph.D. in computer science at the University of Aberdeen (UK).

• Evolution of database technology; conceptual modelling of information systems; active databases; deductive databases; temporal database systems; object-relational databases; object-oriented databases; multimedia databases; distributed databases; mobile computing - data management issues; databases; secure databases; component database systems; case tools - computer support for conceptual modelling, database quality.