Using Object Databases in .NET by Roberto Zicari · Published April 1, 2003 · Updated February 16, 2014 Matt Culbreth, 15 seconds Object databases and .NET sampling Matisse. LINK
Performance investigation into selected object persistence stores February 1, 2010 by Roberto Zicari · Published February 1, 2010 · Last modified February 18, 2014
Simple Object Persistence with the db4o Object Database December 1, 2004 by Roberto Zicari · Published December 1, 2004 · Last modified February 18, 2014
So you think you know JPA? Think again January 1, 2012 by Roberto Zicari · Published January 1, 2012 · Last modified February 16, 2014