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
Managing Uncertainty in Moving Objects Databases September 1, 2004 by Roberto Zicari · Published September 1, 2004 · Last modified February 18, 2014
Object Oriented Database Management Systems January 1, 2001 by Roberto Zicari · Published January 1, 2001 · Last modified February 16, 2014
Object Database vs. Object-Relational Databases January 1, 1997 by Roberto Zicari · Published January 1, 1997 · Last modified January 3, 2015