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)
SQBL Object Views – Unlimited Mapping and Updatability January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 18, 2014
Beyond Java ORM with Versant JPA (Part 1) March 1, 2008 by Roberto Zicari · Published March 1, 2008 · Last modified February 16, 2014
Embedded Databases: The Invisible Engine That Could August 1, 2005 by Roberto Zicari · Published August 1, 2005 · Last modified February 16, 2014