Introduction to Object-Oriented Databases by Roberto Zicari · Published September 1, 1998 · Updated February 16, 2014 Steve Hand and Jane Chandler Very visual introduction to ODBMS. DOWNLOAD (PDF)
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
Stack-Based Architecture and Stack-Based Query Language January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 19, 2014
022.01 The GIOD Project – Globally Interconnected Object Databases January 1, 2000 by Roberto Zicari · Published January 1, 2000 · Last modified February 18, 2014