Multi-granularity Locks in an Object-Oriented Database by Roberto Zicari · Published January 1, 2006 · Updated February 18, 2014 Daniel F. Lieuwen, H.V. Jagadish, AT&T Bell Labs DOWNLOAD (PDF)
Beyond Java ORM with Versant JPA (Part 1) March 1, 2008 by Roberto Zicari · Published March 1, 2008 · Last modified February 16, 2014
Using Object Databases in .NET April 1, 2003 by Roberto Zicari · Published April 1, 2003 · Last modified February 16, 2014
Managing Uncertainty in Moving Objects Databases September 1, 2004 by Roberto Zicari · Published September 1, 2004 · Last modified February 18, 2014