Using InterSystems Caché for Securely Storing Credit Card Data by Roberto Zicari · Published January 1, 2011 · Updated February 16, 2014 Andreas Dieckow, Principal Product Manager, InterSystems. DOWNLOAD (PDF)
The Object-Oriented Database System Manifesto January 1, 1995 by Roberto Zicari · Published January 1, 1995 · Last modified July 11, 2014
Evaluating NoSQL for Enterprise Applications January 1, 2012 by Roberto Zicari · Published January 1, 2012 · Last modified February 16, 2014
Recursive Query Processing in SQBL January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 18, 2014