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
The Synergy Between the Object Database, Graph Database, Cloud Computing and NoSQL Paradigms. September 1, 2010 by Roberto Zicari · Published September 1, 2010 · Last modified February 16, 2014
Benchmarking the Versant Object Database and MySQL with the FOKUS open IPTV Ecosystem March 1, 2011 by Roberto Zicari · Published March 1, 2011 · Last modified February 16, 2014
So you think you know JPA? Think again January 1, 2012 by Roberto Zicari · Published January 1, 2012 · Last modified February 16, 2014