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
Stack-Based Architecture and Stack-Based Query Language January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 19, 2014
RINQ Concept of a Ruby Integrated Query Language March 1, 2008 by Roberto Zicari · Published March 1, 2008 · Last modified February 16, 2014
SQBL Object Views – Unlimited Mapping and Updatability January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 18, 2014