Simple Object Persistence with the db4o Object Database by Roberto Zicari · Published December 1, 2004 · Updated February 18, 2014 Jim Paterson, Bell College Describes the use of the db4o object database. LINK
Debunking Object-Database Myths October 1, 1997 by Roberto Zicari · Published October 1, 1997 · Last modified February 16, 2014
030.01 Odra – Object-oriented Rapid Database Application Development January 1, 2007 by Roberto Zicari · Published January 1, 2007 · Last modified February 18, 2014
Managing Uncertainty in Moving Objects Databases September 1, 2004 by Roberto Zicari · Published September 1, 2004 · Last modified February 18, 2014