RxO system. Simple semantic approach for representation complex objects data in table form.. by Roberto Zicari · Published September 1, 2011 · Updated February 16, 2014 Evgeniy Grigoriev, 2011 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
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
Object Database vs. Object-Relational Databases January 1, 1997 by Roberto Zicari · Published January 1, 1997 · Last modified January 3, 2015