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
Object-Oriented or Object-Relational? An Experience Report from a High-Complexity, Long-Term Case Study. July 1, 2010 by Roberto Zicari · Published July 1, 2010 · Last modified February 16, 2014
006.02 The Database Behind the Brains March 1, 2006 by Roberto Zicari · Published March 1, 2006 · Last modified February 18, 2014
025.01 The Evolution of a Distributed, Federated Object Query Engine June 1, 2006 by Roberto Zicari · Published June 1, 2006 · Last modified February 18, 2014